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3 years ago

Whats the key way to resolve reading math problems

2 answers:

7 0

I would say to read the question carefully and draw a graph or underline the key details in the question. If you don't get it, than cross out the answer choices that you KNOW for certain is wrong. This way, you have a better chance of getting the question right. Also, create a algebra expression if that works for you!
I hope this helped!

Lady bird [3.3K]3 years ago

6 0

I would say read it well and then write down an equation or expression to represent the data so its easier for you to understand and/or solve.

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Differentiating Exponential functions In Exercise,find the derivative of the function. See Example 2 and 3.

Keith_Richards [23]

Answer: The derivative would be $f'(x)=2(e^{2x}-e^{-2x})$

Step-by-step explanation:

Since we have given that

$f(x)=(e^x+e^{-x})^{\frac{4}{2}}\\\\f(x)=(e^x+e^{-x})^2$

As we will use "Chain Rule"

and at last we will use the identity '' $a^2-b^2=(a-b)(a+b)$ ''

We need to find the derivative of the function:

$f'(x)=2(e^x+e^{-x})(e^x-e^{-x})\\\\f'(x)=2(e^{2x}-e^{-2x})$

Hence, the derivative would be

$f'(x)=2(e^{2x}-e^{-2x})$

6 0

4 years ago

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one.

azamat

To solve this problem you must apply the proccedure shown below:

1. You have the following information given in the problem above:

- The<span> room has square dimensions and it has been built with two pieces of sheetrock, a smaller one and a larger one.

2. Therefore, let's call

x: the smaller one.
y: the larger one.

3. Then, you have that the lenght of the wall is the sum of the smaller one and the larger one:

x+y

4. So, the area of the room is:

(x+y)(x+y)
(x+y)</span>²

Therefore, the answer is: (x+y)²

8 0

3 years ago

X(x²_1)=0<br>i need the answer plz

xeze [42]

Answer:

y=x^2

Step-by-step explanation:

6 0

3 years ago

If PQ=7 and QR=10, then PR=

Cloud [144]

Answer:

PR=PQ+QR

=7+10

=17

Hope this will help:)

8 0

3 years ago

Read 2 more answers

Find The volume of each cone. round to the nearest tenth.

padilas [110]

Answer:

V = 942mm^3

Step-by-step explanation:

To find the volume of a cone you have to use this equation:

$V = (\pi r^{2}h)/3$

V = [(3.14)(10^2)(9)] /3

V = [(3.14)(100)(9)] /3

V = [2826] /3

V = 942mm^3

8 0

3 years ago