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Annette [7]
4 years ago
6

Please help it is How do mathematical graphs help us better understand our world

Mathematics
1 answer:
lilavasa [31]4 years ago
8 0
Oh are you in the McGraw hill book
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Jake invested $7,500 in a 5-year CD that
erik [133]

D. $8,962.50

P stands for principal

R stands for rate

T stands for time

A=$7,500(1+ (0.039×5))=$8,962.5

A=$8,962.50

So Jake will have $8,962.50 of interest after 5 years.

8 0
3 years ago
What is the answer to this equation and graph
alina1380 [7]

Answer:

Step-by-step explanation:

7 0
4 years ago
Find the volume V obtained by rotating the region bounded by the curves about the given axis.
BartSMP [9]

Using the disk method, the volume is given by the integral

\displaystyle \pi \int_{\pi/2}^\pi (9\sin(x))^2\,\mathrm dx = 81\pi \int_{\pi/2}^\pi \sin^2(x)\,\mathrm dx

That is, each disk has a radius of <em>y</em> = 9 sin(<em>x</em>) and hence area = <em>π</em> (9 sin(<em>x</em>))². Add up infinitely many such disks by integrating. Then the volume is

\displaystyle 81\pi \int_{\pi/2}^\pi \sin^2(x)\,\mathrm dx = \frac{81\pi}2 \int_{\pi/2}^\pi (1-\cos(2x))\,\mathrm dx \\\\ =\frac{81\pi}2 \left(x-\frac{\sin(2x)}2\right)\bigg|_{\pi/2}^\pi \\\\ = \frac{81\pi}2 \left( \left(\pi-\frac{\sin(2\pi)}2\right) - \left(\frac\pi2 - \frac{\sin(\pi)}2\right) \right) \\\\ = \boxed{\frac{81\pi^2}4}

8 0
3 years ago
Find values of x and y show your work
nexus9112 [7]
The side that has length 24 equals to 4y + 8

24 = 4y + 8
24 - 8 = 4y
16 = 4y
y= 16÷4
y = 4

The side that has length 31 equals to 7x - 4

7x - 4 = 31
7x = 31 + 4
7x = 35
x = 35 ÷ 7
x = 5
6 0
4 years ago
Read 2 more answers
Assume that the profit generated by a product is given by p(x) = 3√x where x is the number of units sold. If the profit keeps ch
konstantin123 [22]

Answer:

Check the explanation

Step-by-step explanation:

Using the chain rule: dp/dx=(dp/dt)/(dx/dt).

So, you can calculate dp/dx=2x^(-1/2)=2/√x.

by my original statement (rearranged a little) dx/dt (which is what you're looking for) is equal to (dp/dt)/(dp/dx), so subbing in x=1900 you get 1000√1900/2=21794.495 units/month increase in sales.

8 0
4 years ago
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