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3 years ago

Suzanne can read 1 page in 3 minutes. how many pages can she read in 5 hours?

1 answer:

4 0

If Suzanne can read 1 page in 3 minutes, that means that in ONE hour, she can read 20 pages.
1 page per 3 minute
60minutes : 3 = 20 pages
Now, multiply 20 pages by 5 hours.
20 x 5 = 100.

I hope it helps! (She's pretty slow at reading)

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Prove the following statement.

gayaneshka [121]

Answer:

You can prove this statement as follows:

Step-by-step explanation:

An odd integer is a number of the form $2k+1$ where $k\in \mathbb{Z}$ . Consider the following cases.

Case 1. If $k$ is even we have: $(2k+1)^{2}=(2(2s)+1)^{2}=(4s+1)^{2}=16s^2+8s+1=8(2s^2+s)+1$ .

If we denote by $m=2s^2+2$ we have that $(2k+1)^{2}=8m+1$ .

Case 2. if $k$ is odd we have: $(2k+1)^{2}=(2(2s+1)+1)^{2}=(4s+3)^{2}=16s^2+24s+9=16s^{2}+24s+8+1=8(2s^{2}+3s+1)+1$ .

If we denote by $m=2s^{2}+24s+1$ we have that $(2k+1)^{2}=8m+1$

This result says that the remainder when we divide the square of any odd integer by 8 is 1.

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3 years ago

HELP PLEASE!! which of the following represents a function?

PolarNik [594]

The answer would be A because each x only has one y. Hope that makes sense!

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3 years ago

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pogonyaev

2x^3y^4. That how you do this

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3 years ago

Find the derivative of x³/tanx

juin [17]

Answer:

Below.

Step-by-step explanation:

We apply the quotient rule:

dy/dx = ( tanx * 3x^2 - x^3 * sec^2x) / (tan^2 x)

= x^2( 3tanx - xsec^2x) / tan^2x

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2 years ago

Find the X and Y intercepts of the graph x + 3y = 13

Luden [163]

Answer: x-intercept 13,0 y 0, $\frac{13}{3}$

Step-by-step explanation:

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3 years ago