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3 years ago

NEED HELP NOW 100 POINTS

Mathematics

2 answers:

pogonyaev3 years ago

8 0

Answer:

insert is the correct answer hope it helps you

Step-by-step explanation:

kirill [66]3 years ago

3 0

Insert is correct. This is the most logical answer.

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Which of the following integrals will find the volume of the solid that is formed when the region bounded by the graphs of y=e^x

dimulka [17.4K]

The fourth option is correct.

See the attached image. The red cylinder represents a washer formed by the described revolution. Its volume is

$\pi((\text{outer radius})^2-(\text{inner radius})^2)(\text{height})$

so when we integrate, we take

$\displaystyle\pi\int_0^1((e^x+2)^2-3^2)\,\mathrm dx$

7 0

3 years ago

Simplify:

svetoff [14.1K]

Answer:

Uh I got 7x^2 + 16x +64. Idk if there are more options that aren't in the pic or if I did it wrong

6 0

3 years ago

Read 2 more answers

What is the value of x?

Gnoma [55]

Answer:

Step-by-step explanation:

alaphabet u right

4 0

3 years ago

The leader of the team wants to do everything him or herself. They have a very big ego and are difficult to work with. What is t

Aleks [24]

Answer:

This is a hardbut I think the awnser is C

Step-by-step explanation:

This usually happens when a person think that the others are incapable of actullay figuring out he problems .

6 0

3 years ago

After breaking your penny bank, you notice that you have $4.87 in quarters ($0.25), dimes ($0.10), nickels ($0.05), and pennies

ira [324]

Answer: Option 'c' is correct.

Step-by-step explanation:

Let the number of dimes be 'x'.

Let the number of nickels be ' $\dfrac{3}{2}x$ '.

Let the number of pennies be $\dfrac{3}{2}\times 2x=3x$

Let the number of quarters be '3x-34'.

As we know that

1 quarter = $0.25

1 dime = $0.10

1 nickel = $0.05

1 penny = $0.01

According to question, we get that

$0.10x+0.05\times \dfrac{3x}{2}+0.01\times 3x+0.25(3x-34)=4.87\\\\0.10x+0.075x+0.03x+0.75x-8.5=4.87\\\\\\0.955x=4.87+8.5\\\\0.955x=13.37\\\\x=\dfrac{13.37}{0.955}\\\\x=14$

So, the number of pennies is given by

$3x=3\times 14=42$

Hence, Option 'c' is correct.

3 0

3 years ago