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Romashka-Z-Leto [24]
4 years ago
10

PLEASE HELP ME IM BEGGING U THIS IS URGENT, PLEASE ASAP, NO NEED TO EXPLAIN JUST ANSWER PPLZZZZZZ

Mathematics
2 answers:
statuscvo [17]4 years ago
7 0
25% of something is 5000000, so total is 4*5000000 = 20 million
BARSIC [14]4 years ago
4 0
X/4 = 5 million
x = 20 million
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Giving away POINTS Tell me your favorite color!
Aleksandr-060686 [28]

Answer:

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Step-by-step explanation:

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2 years ago
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What if you magnified the image of a cluster fly by 9 times 10 to the third power?
densk [106]

It would either be 9*(10^3) which would be <em>9000</em>.

Or, it would be (9*10)^3, which equals <em>729000</em>.

Please try and get another answer to make sure!

6 0
3 years ago
Which equations represent the line that is parallel to 3x − 4y = 7 and passes through the point (−4, −2)? Check all that apply.
olga55 [171]
You plug in the point into each equation to see if the answer comes out equal. Such as the first one, so you have y=-3/4x+1. So you plug in the -4 for the x then plug in the -2 for y. So you get -2=1.1875, as you see both sides don't add up. As you progress in Algebra I'm guessing that you're in, you'll progress as the year goes on. So your answers are 3x-4y=-4 and y+2=3/4(x+4). 
4 0
3 years ago
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Let f(x)=3x-6. Is f one-to-one? If it is find f^-1, if not explain why.
beks73 [17]

Answer:  Yes,  \bold{f^{-1}(x)=\dfrac{x+6}{3}}

<u>Step-by-step explanation:</u>

f(x) = 3x - 6    is a line so it is a function  because

                      it passes the vertical line test

                              and the horizontal line test

To find the inverse, swap the x's and y's and solve for y

y=3x-6\\\\\\\text{Swap the x's and y's:}\qquad x=3y-6\\\\\text{Add 6 to both sides:}\qquad x+6=3y\\\\\text{Divide both sides by 3:}\qquad \dfrac{x+6}{3}=y

8 0
3 years ago
Subtract -5x^2 - 3 from -x - 5
Margarita [4]
      -x-5
  -  -5x^2 - 3

or

(-x-5) - (-5x^2 - 3)

First, distribute the -. So then it becomes

-x - 5 + 5x^2 + 3

Since you can't add 5x^2 to -x. You can only combine -5 and 3.
Thus it becomes
 - x + 5x^2 -2

However, you order in exponents so

5x^2 - x - 2

would be the correct answer.

4 0
3 years ago
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