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3 years ago

So umm I’m dumb and I need help with this problem

Mathematics

1 answer:

cupoosta [38]3 years ago

5 0

Answer:

A = 17.5

Step-by-step explanation:

Step 1: Find the base

Base = 7 units

Step 2: Find the height

Height = 5 units

Step 3: Plug your 2 variables into the Area Formula

A = 1/2bh

A = 1/2(7)(5)

A = 1/2(35)

A = 35/2

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∫<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bxdx%7D%7B%28x%5E%7B2%7D%2B4%29%5E%7B3%7D%20%7D" id="TexFormula1" title="\frac{xdx}{

photoshop1234 [79]

Substitute $u=x^2+4$ and $du=2x\,dx$ . Then the integral transforms to

$\displaystyle \int \frac{x\,dx}{(x^2+4)^3} = \frac12 \int \frac{du}{u^3}$

Apply the power rule.

$\displaystyle \int \frac{du}{u^3} = -\dfrac1{2u^2} + C$

Now put the result back in terms of $x$ .

$\displaystyle \int \frac{x\,dx}{(x^2+4)^3} = \frac12 \left(-\dfrac1{2u^2} + C\right) = -\dfrac1{4u^2} + C = \boxed{-\dfrac1{4(x^2+4)^2} + C}$

3 0

2 years ago

The parallelogram shown below has an area of 35 units2.

sleet_krkn [62]

The height is 5 becuase if the area is 35 that means the length is 7 so you would divide and get 5

6 0

3 years ago

WILL GIVE YOU BRAINLYEST!!!!

Kazeer [188]

Greetings I am BrotherEye

Answer: How find the volume of a triangular pyramid?

Triangular pyramid volume formula

In words: the volume of a triangular pyramid is one-third of the product of the base area and the pyramid's height

Step-by-step explanation:

Now in mathematical terms Use the formula for the volume of a triangular pyramid: V=13Ah , where A = area of the triangular base, and H = height of the pyramid.

Best of Luck!

8 0

2 years ago

Two make ice cream for a family reunion frank used 6 cups of cream 1/2 gallon of gallon of milk. How many pints of cream and mil

aleksley [76]

He used 7 pints all together because there at 2 cups in each pint and 4 pints in a half a gallon.

6 0

3 years ago

The temperature in an oven changes from 350 degrees to 362% What is the percent increase in temperature, to the nearest tenth of

Darya [45]

Answer:

3.43%

Step-by-step explanation:

362-350=12

12:350*100 =

(12*100):350 =

1200:350 = 3.43

3 0

2 years ago