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lesya692 [45]
3 years ago
12

How to solve each system by substitution y=6x-11 -2x-3y=-7

Mathematics
1 answer:
kolezko [41]3 years ago
3 0
Ph uck n 1 gg ers                   hhhhhhhhuogyucytzsreytufctwaeyguUOIJ       
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A wise man once said, “500 reduced by 4 times my age is 256.” What is his age
ch4aika [34]
The answer to this question is 2.048
5 0
3 years ago
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The ratio of girls to boys in a chess club was 5:4. there were 32 boys. how many girls were their
algol [13]
\frac{girls}{boys} =  \frac{5}{4} =  \frac{x}{32} 


Solve for x.
7 0
3 years ago
What value in place of the question mark makes the polynomial below a perfect square trinomial? x²+22x+?
strojnjashka [21]

Answer:

B. 121

Step-by-step explanation:

Complete the square.

Take half of the middle term, 22, and square it.

So 11^2 = 121.

3 0
3 years ago
PLZ HELP QUICK WILL MARK BRAINLIEST
natima [27]

Answer:

Step-by-step explanation:

12.

the formula for the volume of a cone is V=1/3hπr²

549.5 = 1/3(21)(3.14)(x)^2

549.5 = 7(3.14)(x)^2

549.5 = 21.98(x)^2

549.5 = 21.98(x)^2

divide by 21.98 on both sides

25 = (x)^2

sqrt 25 = sqrt x^2

5 = x

13.

the formula for the volume of a sphere is V=4/3πr^3

v=4/3(3.14)9^3

v=4/3(3.14)729

v=(4.186)729

v=3052.08

14.

the formula for the volume of a sphere is V=4/3πr^3

523=4/3(3.14)r^3

523=4/3(3.14)r^3

523=(4.186)r^3

divide by 4.186 on both sides

124.92=r^3

cube root on both sides

4.998=r

round

5=r

<em><u>Please mark brainliest this took me a while</u></em>

7 0
2 years ago
A rectangle is divided into 8 equal parts two parts are shaded which fraction is equivalent to the shaded area of the rectangle
Irina-Kira [14]
2/8 but that could be reduced to 1/4
8 0
3 years ago
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