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nlexa [21]
3 years ago
11

How can percent help you understand situations involving money?

Mathematics
2 answers:
ANTONII [103]3 years ago
5 0
Percentage can help you determine the right value in order find the right equation or simply find out the precise amount hope this helps!
Gnoma [55]3 years ago
3 0

If the problem did not give you the percentile it would be confusing. You would not know if they wanted money or just a number!!! So it is pretty important.

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Use distributive property to solve the equation 5( 2x +4) =30<br> A. x-2<br> B. x=1<br> c. =10
jeyben [28]

Answer:

B

Step-by-step explanation:

5(2x+4)=30

10x+20=30

10x=10

x=1

4 0
3 years ago
Read 2 more answers
Write and evaluate the definite integral that represents the volume of the solid formed by revolving the region about the x-axis
guapka [62]

Answer: V = \frac{64}{3}\pi

Step-by-step explanation: A solid formed by revolving the region about the x-axis can be considered to have a thin vertical strip with thickness Δx and height y = f(x). The strip creates a circular disk with volume:

V = \pi. y^{2}.Δx

Using the <u>Disc</u> <u>Method</u>, it is possible to calculate all the volume of these strips, giving the volume of the revolved solid:

V = \int\limits^a_b {\pi. y^{2} } \, dx

Then, for the region generated by  y = - x + 4:

V = \int\limits^4_0 {\pi.(-x+4)^{2} } \, dx

V = \pi.\int\limits^4_0 {(x^{2}-8x+16)} \, dx

V = \pi.(\frac{x^{3}}{3}-4x^{2}+16x )

V = \pi.(\frac{4^{3}}{3}-4.4^{2}+16.4 - 0 )

V = \frac{64}{3}.\pi

The volume of the revolved region is V = \frac{64}{3}.\pi

8 0
3 years ago
What is the value of X^2-4y/2 if x=4 and y=-3
Dominik [7]

To solve this, we just need to plug in the numbers.

4^2-4*3/2

Now solve!

4^2-4*3/2

16-4*9

16-36

-20

There's your answer!


Any questions?


3 0
3 years ago
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros.
butalik [34]
I'll try to understand this but I don't really get it because I'm in middle school
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3 years ago
Determine the slope of each of the given lines.
nikitadnepr [17]
Can’t determine slop there is no picture of lines
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3 years ago
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