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natali 33 [55]
3 years ago
14

PLEASE HELP!!!! ASAP

Mathematics
1 answer:
Elodia [21]3 years ago
7 0

Answer:

6

Step-by-step explanation:

pythagreom thereom

10^2=8^2+b^2

100=64+b^2

36=b^2

b=6

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R varies inversely as v2 if r=120 when v=1 ,find r when v=10
makvit [3.9K]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ r = k/v^2

Substitute the values in:

120 = k/1^2

Multiply both sides by 1^2 to find k

k = 120

Substitute new values in:

r = 120/10^2

Solve:

r = 1.2

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6 0
3 years ago
Solve by elimination:<br> 4x + 4y = 4
ra1l [238]

Answer:

x=−y+1

Step-by-step explanation:

Let's solve for x.

4x+4y=4

Step 1: Add -4y to both sides.

4x+4y+−4y=4+−4y

4x=−4y+4

Step 2: Divide both sides by 4.

<u>4x      </u>  =    <u>−4y+4</u>

4          =        4

x=−y+1

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7 0
3 years ago
What is 121g+77 equal to
IrinaK [193]

Answer:

11 ( 11g + 7 )

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inna [77]

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Rashid [163]

Answer:

3x( x+5) (x+4)

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3x^3 + 27x^2 + 60x.

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3x( x+5) (x+4)

5 0
3 years ago
Read 2 more answers
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