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3 years ago

15

I NEED HELP WITH THIS ( IM IN LIVE ADN I NEED IT DONE TODAY) all you need to do is explain it.

1 answer:

wel3 years ago

3 0

5

Explanation: To find the rate of change we need to plug the numbers into the formula of x1-x2/y1-y2

So we need to get the biggest and smallest numbers for each row so the equation would look like this

500-300/40-0 so the answer would be 5 have a nice day (:

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Marizza181 [45]

Answer:

39

Step-by-step explanation:

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3 years ago

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I'm stuck on this question please hurry

leva [86]

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4 years ago

Approximate the solution to the equation above using three iterations of successive approximation. Use the graph below as a star

n200080 [17]

Answer:

<em>x=25/16</em>

Step-by-step explanation:

<u>Approximate Roots of Functions:</u>

We are required to find the root of

$\displaystyle 5^{-x}+7=\ 2x+4$

Let's construct a function

$\displaystyle f(x)=\ 5^{-x}+7-2x-4$

Reducing:

$\displaystyle f(x)= 5^{-x}-2x+3$

The equation will have a solution when f(x)=0. We'll start from the approximate crossing point given in the graph (x=1.5)

$\displaystyle f(1.5)=5^{-1.5}-2(1.5)+3\ =0.089$

We'll move up on x=1.52

$\displaystyle f(1.52)=5^{-1.52}-2(1.52)+3=\ 0.046$

We are closer to the solution, let's try some more up

$\displaystyle f(1.54)=5^{-1.54}-2(1.54)+3=\ 0.0038$

This value x=1.54 is close enough to the solution of the original equation

From the options given, $\frac{25}{16}$ is the closest to our solution

$\boxed{Answer:\ x=25/16}$

8 0

4 years ago

A university has raised $5,000 for a new scholarship fund. A university trustee offers to match the donation up to 25% if the un

atroni [7]

After you add 2,500 to 5,000 and then multiply it by 25% you receive the amount $9,375

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4 years ago

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Write the expression 5x(x + 9) − 7(x + 9) in complete factored form. How do you do this step by step

nasty-shy [4]

Answer:

(x+9) are the like terms so u just put 5x and -7 in brackets

the answer is

(5x-7) ( x+9)

4 0

3 years ago