3 years ago

PLEASE ANSWER!! WILL MARK BRAINLIEST

Mathematics

1 answer:

natulia [17]3 years ago

5 0

The Answer I think is 21

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-7x^2+10=185 how to solve

bonufazy [111]

Answer:

-7x²=185-10

-7x²=175

x²=-25

x=±√-25

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2 years ago

Anderson won $10000 in a Lotto competition.

kozerog [31]

Answer:

jimmy got 30,000

Step-by-step explanation:

10,000

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3 years ago

What is 26.73 rounded to the nearest decimal

Goshia [24]

I think it's 26.70 if I remember what a decimal is.

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3 years ago

PLEASE HELP WILL GIVE BRAINLIEST!!!! Suppose f(x)=x^2-2 find the graph of f(1/2x)

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Step-by-step explanation:

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2 years ago

7+4(r+3)=9r-6 show work pls AND HELP ASAP

ivanzaharov [21]

$\: \: \: \: \: \:$

$= \: \: \: \: r = 5$

Step-by-step explanation:

$7 + 4(r + 3) = 9r - 6$

distribute 4 through the parentheses

$7 + 4r + 12 = 9r - 6$

add numbers

$19 + 4r = 9r - 6$

move the variable to the left hand side and change its sign

$19 + 9r = - 6$

move the constant to the right hand side and change its sign

$4r - 9 = - 6 - 19$

collect like terms

 $- 5r = - 6 - 19$ 

calculate the difference

$- 5r = - 25$

divide both sides of the equation by -5

 $= \: \: \: \: r = 5$ 

<h2>hope it helps</h2>

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2 years ago