Categories

## Mai is putting money into a savings account. She starts with \$350 in the savings account, and each week she adds \$60 . Let S represent the total amount of money in the savings account (in dollars), and let W represent the number of weeks Mai has been adding money. Write an equation relating S to W . Then use this equation to find the total amount of money in the savings account after 12 weeks. Equation: Total amount of money after 12 weeks: \$

S=60w+ 350. Because you get \$60 times the amount of weeks,plus the first \$350 she started with. She ends up with \$1070 dollars because \$60 x 12= 720, then you add the first \$350 and get \$1070. Hope this helped.

Categories

## What's it called when someone starts a war to profit off the war?

What’s it called when someone starts a war to profit off the war?

Categories

## When Gretchen starts being chased by a dog, her brain sends a signal to her muscles to run. Which neurons are at work? sensory neurons motor neurons voluntary neurons involuntary neurons

There are two systems in the human body that are responsible for the coordination between the functions of different systems to achieve the unity of the living organism’s body. These two systems are the nervous system and the endocrine system. The action of the nervous system is fast and takes a short time, while the action of the endocrine system is slow and takes a long time.

The functional unit of the nervous system is the nerve cell or the neuron. The neuron consists of a cell body and the axon. The cell body starts with the dendrites that receive the messages or the impulses from other neurons or from different sense organs or receptors. These impulses are then transmitted through the cell body. The cell body contains a nucleus and different organelles which help the nerve cell to perform its functions. The nerve impulse is then transmitted to the axon.

The axon is an extension from the cell body. There are some cells called Schwan cells that secrete a myelin sheath to insulate the axon from the surrounding medium. The insulated axons have more ability to conduct the impulses than non-insulated axons. The axon ends with the terminal arborizations. The terminal arborizations of a nerve cell connect to the dendrites of the next cell or to the afferent organ. The gaps between the dendrites and the terminal arborizations are called the synapses.

The nerve impulse is an electrochemical phenomenon i.e. an electrical phenomenon with a chemical nature. The membrane of the axon acts as a barrier between an outside positively charged medium and an inside negatively charged medium. This makes a potential difference of  -70mV. This state is called the resting potential. When the membrane is subjected to a stimulus, the positive charges enter to inside and the negative charges exit to the outside. The potential difference now becomes +40mV. This state is called the depolarization state. The point of stimulation acts as a new stimulus for the next point and so on. The membrane sooner gains its permeability again and the positive charges return to the outside and the negative charges to inside. This state is called repolarization.

The nerve impulse reaches the synapse. There are some neurotransmitters that are excited by the nerve impulse coming and carry the message across the membrane. Some receptors receive theses neurotransmitters on the dendrites of the next neuron. These receptors act as a stimulus for the new cell.

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## End behavior of F(x)=-x^(3-)2x^(2)+7x-10 A. The graph of the function starts high and ends high B. The graph of the function starts low and ends low C. The graph of the function starts high and ends low D. The graph of the function starts low and ends high

False

Step-by-step explanation:

Suposse that we are given a function f(x) and a constant value h.

1. Case:

If we take the function g(x)=f(x)+h, then the graph of the function g(x) will be the graph of the funcion f(x) moved up or down.

2.Case:

If we take the function g(x)=hf(x), then the graph of the function g(x) will be the graph of the function f(x) just taller or shorter.

3.Case:

If we take the function g(x)=f(x-h), then the graph of the function g(x) will be the graph of the fuction f(x) moved horizontally.

4. Case:

If we take the function g(x)=f(hx), then the graph of the function g(x) will be tha graph of the function f(x) wither or thiner.

For example:

If we take f(x)=sin(x) and h=2. Then, if we take g(x)=sin(2x) then f(0)=g(0)=0, which means that the graph of the functiction is not moved up or down. However, f(π/2)=sin(π/2)=1 and g(π/2)=sin(π)=0 which gives us a hint that the graph of the function became thiner.

Categories

## Smitty’s car breaks down on a country road. He starts walking toward home at a rate of 1.25 miles an hour. After 0.75 hours, he is 3 miles from home. What is the point-slope formula for this information.

(A)

Step-by-step explanation:

It is given that lines v and w are parallel, then from the given figure, ∠2 and ∠6 form corresponding angle pair, therefore ∠2=∠6.

A.∠2+∠6=180°, his is incorrect because ∠2 and ∠6 form corresponding angle pair and are equal.

B.∠5≅∠8 because ∠5 and ∠8 form vertically opposite angle pair. Thus, this option is correct.

C.Since, sum of interior angles on the same side of transversal is 180°, therefore ∠3+∠5=180°, thus this option is correct.

D.∠1≅∠5 because ∠1 and ∠5 form the corresponding angle pair and are equal. Thus, this option is correct.

Categories

## Alphonse watches the way his brother shovels the driveway in order to clear a spot for their grandmother’s car. alphonse then goes outside, takes another shovel, and starts shoveling the snow off of the walkway from the driveway to the front door. alphonse uses the same technique as his brother. this demonstrates learning through

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.

Categories

## Michael was subjected to much stress as an infant due to repeated episodes of family violence. now, as an adult, he shuts down emotionally whenever he starts to experience any type of stress. this response may be because during infancy stress hormones in his brain were

Michael was subjected to much stress as an infant due to repeated episodes of family violence. now, as an adult, he shuts down emotionally whenever he starts to experience any type of stress. this response may be because during infancy stress hormones in his brain were

Categories

## A motorist drives along a straight road at a constant speed of 15.0 m/s. Just as she passes a parked motorcycle police offi cer, the offi cer starts to accelerate at 2.00 m/s2 to overtake her. Assuming that the offi cer maintains this acceleration, (a) determine the time interval required for the police offi cer to reach the motorist. Find (b) the speed and (c) the total displacement of the offi cer as he overtakes the motorist.

a) The time the police officer required to reach the motorist was 15 s.

b) The speed of the officer at the moment she overtakes the motorist is 30 m/s

c) The total distance traveled by the officer was 225 m.

Explanation:

The equations for the position and velocity of an object moving in a straight line are as follows:

x = x0 + v0 · t + 1/2 · a · t²

v = v0 + a · t

Where:

x = position at time t

x0 = initial position

v0 = initial velocity

t = time

a = acceleration

v = velocity at time t

a)When the officer reaches the motorist, the position of the motorist is the same as the position of the officer:

x motorist = x officer

Using the equation for the position:

x motirist = x0 + v · t (since a = 0).

x officer = x0 + v0 · t + 1/2 · a · t²

Let´s place our frame of reference at the point where the officer starts following the motorist so that x0 = 0 for both:

x motorist = x officer

x0 + v · t = x0 + v0 · t + 1/2 · a · t²      (the officer starts form rest, then, v0 = 0)

v · t = 1/2 · a · t²

Solving for t:

2 v/a = t

t = 2 · 15.0 m/s/ 2.00 m/s² = 15 s

The time the police officer required to reach the motorist was 15 s.

b) Now, we can calculate the speed of the officer using the time calculated in a) and the  equation for velocity:

v = v0 + a · t

v = 0 m/s + 2.00 m/s² · 15 s

v = 30 m/s

The speed of the officer at the moment she overtakes the motorist is 30 m/s

c) Using the equation for the position, we can find the traveled distance in 15 s:

x = x0 + v0 · t + 1/2 · a · t²

x = 1/2 · 2.00 m/s² · (15s)² = 225 m

Categories

## A pendulum of 50 cm long consists of small ball of 2kg starts swinging down from height of 45cm at rest. the ball swings down and strikes a bigger ball. what is the maximum kinetic energy of the 2kg bob

A pendulum of 50 cm long consists of small ball of 2kg starts swinging down from height of 45cm at rest. the ball swings down and strikes a bigger ball. what is the maximum kinetic energy of the 2kg bob

Categories

## A spinning spherical shell with radius 30 cm and negligent mass is filled with 0.5kg of sand. It started spinning at an angular velocity of 8 m/s. All the sand starts within the center 10-cm and by the end has moved to the outermost radius. What is its new angular velocity?

The gravitational force Fg between two objects is given by the equation:

Fg=(G*m₁*m₂)/r₂, where G=6.67*10^-11 m³ kg⁻¹ s⁻² is the gravitational constant, m₁ and m₂ are the masses of the two bodies and r is the distance between those bodies.

Due to the gravitational attraction the pencil and the eraser will attract if we there is no friction on the surface.

m₁=10 g=0.01 kg is the mass of the pencil
m₂=20 g=0.02 kg is the mass of the eraser
r=2.5 cm = 0.025 m

First we calculate the Fg:

Fg={(6.67*10^-11)*0.01*0.02}/(0.025²)=2.1344*10^-11 N

To get the velocity v of the pencil:

v²=2as, where a is the acceleration of the pencil and s is the path. In our case s=r so we can write:

v²=2ar

a=Fg/m₁= 2.133*10^-9 m/s²

v²=2*(2.133*10^-9)*0.025=1.0665*10^-10

v=√(1.0665*10^-10)=1.0327*10^-5 m/s

We have the velocity and the acceleration, so we can calculate the time t with the equation:

t=v/a=(1.0327*10^-5)/(2.133*10^-9)=4841.6 s

1 hour has 3600 s so when we divide time t in seconds by 3600 we get time T in hours:

T=t/3600=4841.6/3600=1.3449 h.

So the time for the pencil and eraser to touch is T=1.3449 hours.

Also time T can be expressed like T= 1h and 20 mins and 41.64 s

Categories

## A fruit delivery truck traveled 65 miles for Monday deliveries. The truck starts at the fruit distribution center, makes 3 deliveries, and returns to the fruit distribution center. The four distances traveled are consecutive numbers that differ by half a mile. How far is it from the Fruit distribution center to his first delivery? A) 15.5 milesB)16C)16.5D)17

Answer:  The correct option is (C). 10 = square root of the quantity of x minus 8 all squared plus y minus 9 all squared

Step-by-step explanation:  Given that the segment AB has point A located at (8, 9). The distance from A to B is 10 units.

We are to select the correct option that could be used to calculate the coordinates for point B.

Let, (x, y) be the co-ordinates of point B.

According to distance formula, the distance between two points (a, b) and (c, d) is given by

Therefore, the distance between the points A(8, 9) and B(x, y) is given by

Since, distance between A and B is 10 units, so

d = 10.

Therefore,

Thus, the correct statement is

10 = square root of the quantity of x minus 8 all squared plus y minus 9 all squared.

Option (C) is correct.

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## You want to make five-letter codes that use the letters A, F, E, R, and M without repeating any letter. What is the probability that a randomly chosen code starts with A? 0.10 0.15 0.20 0.25

The triangle ABC is similar to triangle LMP. The order here is very important. The letters correspond to one another
A corresponds to L (first letters of each sequence)
B corresponds to M (second letters of each sequence)
C corresponds to P (third letters of each sequence)

In a similar fashion, the segments also correspond to one another.
AB corresponds to LM (first two letters of each sequence)
AC corresponds to LP (first and last letters of each sequence)
BC corresponds to MP (last two letters of each sequence)

————————————

AB corresponds to LM. AB is 4 units long. LM is 2 units long. So AB is twice as long as LM. This ratio (of 2:1) will be applied to every paired corresponding value.

Also, the right angle is at angle M for triangle LMP. The right angle will be at angle B for triangle ABC (since B corresponds to M). The answer will have an x coordinate of 7. So the answer is either choice B or choice C.

If we move 4 units down from point B, we land on (7,-10). That isn’t listed as an answer choice. Let’s try moving 4 units up from point B. We land on (7,-2). This is an answer choice

So the final answer is choice C) (7,-2)

Categories

## Immediately after delivering a shock with the AED… A) place the victim in the recovery position B) deliver a second shock C) immediately begin 5 cycles of CPR (approx.. 2 minutes) D) wait several minutes to see if the victim starts breathing

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.

Categories

## Janay is at a movie with her girlfriend, and the two are enjoying the rich visual scenes on the screen. as the visual information enters janays nervous system it is changed into a neural code that her brain can understand. as this occurs, janay starts to create a memory of the movie through the process of

The caste system determined people’s lives based on which social level/caste they were born in. The caste system determined people’s jobs, education, etc. Once a person was born into a caste, he/she could not leave, regardless of good intentions. However, it was possible for a person to marry into a higher caste.

The caste system provided a sense of order because it strictly organized people and families. The people could not misbehave or rebel against their social statuses.

Categories

## John starts a saving account with \$100. Every week he adds \$6 to his account. Which equation can be used to determine the number of weeks w, after which John’s accounts reaches \$220? A)6w + 100 = 220 B)6w – 100 = 220 C)6w + 220 = 100 D)6 + w = 220

Hey!

Hope this helps….

~~~~~~~~~~~~~~~~~~~~~~~~~

Given Information:

No client can do both Plans

On Wednesday: 3 clients did Plan A, and 2 clients did Plan B

On Thursday: 5 clients did Plan A, and 6 clients did Plan B

Keiko was training for a total of 6 hours on Wednesday, and training for a total of 12 hours on Thursday

——————————

We’ll let t stand for length of time

Wednesday:

3t + 2t = 6

5t = 6

t = 1.2 hours > translates to 1 hour, and 12 minutes

On Wednesday, she was with her clients individually for 1 hour and 12 minutes

Thursday:

5t + 6t = 12

11t = 12

t ~ 1.1 hours > translates to about 1 hour and 6 minutes

On Thursday, she was with her clients individually for about 1 hour and 6 minutes

———————–

We’ll let A stand for total length of time for Plan A, and B stand for total length of time for Plan B

We’ll let W stand for Wednesday, and T stand for Thursday…

We’ll let z stand for total amount of clients for that plan…

~~~~

We know, for Plan A, on Wednesday there were 3 clients, and Thursday there were 5 clients

We also know for Plan B, on Wednesday there were 2 clients, and Thursday there were 6 clients

~~~~~

(3W + 5T)/z = A

(3(1.2) + 5(1.1))/8 = A

(3.6 + 5.5)/8 = A

9.1/8 = A

Plan A = 1.1375 hours > 1 hour 8 minutes 15 seconds

(2W + 6T )/z ~ B

(2(1.2) + 6(1.1))/8 ~ B

(2.4 + 6.6)/8 ~ B

9/8 ~ B

Plan B ~ 1.125 hours > 1 hour 7 minutes 30 seconds

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

When ever the symbol ” ~ ” is used in an equation, it stands for “About”…

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Sorry for the mess up before….

Categories

## Which statement from President Obama’s “Back to School” speech represents the claim of his speech? a) This is the time where you can try out new interests and test new ideas. b) It starts, obviously, with being the best student that you can be. c) And that’s why when you’re still a student you can explore a wide range of possibilities. d) Those things are still with me today.

The correct answer is “Early airships such as zeppelins were filled with hydrogen, but today’s blimps use helium instead”.

Explanation:

A compound sentence refers to a type of sentence that includes two or more ideas of the same importance link one coordinating conjunction such as and, or, but, so. This implies in the case of combining two or more sentence to create a compound sentence any of the conjunctions previously mention need to be included. Besides this, because the sentences combined are “Early airships such as zeppelins were filled with hydrogen” and “Today’s blimps use helium instead”, the most correct way is to include first the sentence “Early airships..” and then the sentence “Today’s blimps use helium instead” as the word “instead” makes reference to the first sentence.

This implies, the correct way of combining this sentence is “Early airships such as zeppelins were filled with hydrogen, but today’s blimps use helium instead”, because in this the correct order of the sentences have been preserved and also the conjunction “but” has been added which creates a compound sentence and also shows the contrast between the materials used in zeppelins and blimps.

Categories

## If a 75-kg skater starts his skate at 8.0m, at his lowest point (height = 0), what is his velocity? …?

Mgh= 1/2 m v^2
gh= 1/2 v^2 9.8 * 8=  1/2 v^2
solve for v
V = sqrt(2gH)where H = 8 m.

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## Suppose a scientist doing an experiment in nuclear fusion starts out with twelve atoms. How many atoms will most likely result from the experiment?

Explanation :

The forces that govern all matter in the universe are :

(1) Gravitational force

(2) Electromagnetic force

(3) Strong nuclear force

(4) Weak nuclear force

The characteristics of the weak nuclear force are:

(1) These forces are stronger than gravity.

(2) These forces are effective only for short distances i.e. has a very small range.

(3) These forces are weaker than the electromagnetic force because electromagnetic force is about times that of weak nuclear force.

(4) These forces are responsible for radioactive decays. So, these forces are repulsive.

is repulsive, has a very small range, is stronger than the gravitational force

and is weaker than the electromagnetic force.

Hence, this is the required solution.

Categories

## An air freshener starts with 30 grams of fluid, and the amount of fluid decreases by 12% per day. Express the amount of grams of freshener, Q, that remains t days after it has begun being used.

Before ordering these numbers from least to greatest, it would be easiest to convert the fraction to a number or decimal.
8 / 2 = 4, which means the fraction 8/2 is equal to 4.

Now the numbers are -0.5, 12, 4, 3, and -7.

Negative numbers are lower than positive numbers.
The higher value of the number next to a negative sign, the lower the number is. (For example, -2 is less than -1.)
The higher a positive number, the greater its value, so the higher it is.

-7 is less than -0.5.
These are the only negative numbers, so we can conclude -7 is the lowest number and -0.5 is the second lowest.
12 is greater than 4, which is greater than 3.
This means that 12 is the highest number in this set, 4 is the second highest, and 3 is the third highest.

Now we can put the numbers in order.
From greatest to least, the numbers are:
12, 4, 3, -0.5, -7.
Now we can convert the 4 back to its fraction form as it appears in the number set as 8/2.
The final answer is 12, 8/2, 3, -0.5, -7.

Hope this helps!