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True [87]
4 years ago
13

What is 8.7x10 (exponent 2 on the ten) in standard form

Mathematics
1 answer:
belka [17]4 years ago
4 0
10 to the exponent 2 is equal to 100, so 8.7 x 100 is equal to 870
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Solving Equations. 2(a-3)=5a+3a
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Answer:

the answer would be a=-1

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Can someone please explain the answer to 4 1/3+ 2 3/4+ 1/6
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By creating a common denominator for all of the fraction (12) the answer would be 7 3/12 or 7 1/4
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4 years ago
Can someone answer these??
hoa [83]

Use the substitution method

Answers :

g(x)= -3x+1

a. g(10)= -3(10)+1

Mutiply first = -30

-30+1= -29

<em>g(10)= -29</em>

b. g(-2)= -3(-2)+1

Negative sign and negative sign = positive sign

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a.

f(x)=x^2+7

f(3)= 3^ 2+7

3*3 because of the exponent. 3*3= 9

9+7= 16

<em>f(3)= 16</em>

d.

f(a)= a^2+7

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a^2+7

<em>f(a)= a^2+7</em>

7 0
3 years ago
Help please thanks :)
cestrela7 [59]
Answer: Choice D) Slopes are the same

----------------------------------------

Explanation:

The graph of f(x) is a straight line through the two points (0,3) and (1,1). Those points are the left and right points respectively.

Start at (0,3). To get to (0,1), we move 2 units down and 1 unit to the right. Think of the "2 units down" as a "rise of -2". Negative rise means you're really falling.

So the slope of f(x) is
slope = rise/run = -2/1 = -2
slope = -2

The slope of g(x) is also -2

Note how y = -2x-5 is in y = mx+b form
we see that m = -2 is the slope
b = -5 is the y intercept

So that shows why the two functions have the same slope.

5 0
3 years ago
Match each equation with the value of x that satisfies it. answers may be used more then once
Juli2301 [7.4K]

Answer: We will see in the next example how using the Quadratic Formula to solve an equation with a perfect square also gives just one solution. Solve 4{x}^{2}-20x=-25

Step-by-step explanation:

4 0
3 years ago
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