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Umnica [9.8K]
3 years ago
12

Solve the equation: 5(y+2)=-35 оа y=-7 y=-17 O oc Od y=-5 y=-9

Mathematics
1 answer:
Mamont248 [21]3 years ago
7 0

Answer:

y = -9

Step-by-step explanation:

divide by 5 first

y + 2 = -7

-2

y = -9

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False. 

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3 years ago
Patel is solving 8x2 + 16x + 3 = 0. Which steps could he use to solve the quadratic equation? Select three options. 8(x2 + 2x +
AnnyKZ [126]

The options Patel has to solve the quadratic equation 8x² + 16x + 3 = 0 is x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot.

<h3>Quadratic equation</h3>

8x² + 16x + 3 = 0

8x² + 16x = -3

8(x² + 2x) = -3

  • Using completing the square

8(x² + 2x + 1) = -3 + 8

  • factorization

8(x² + 1) = 5

(x² + 1) = 5/8

  • Taking the square root of both sides

(x + 1) = ± √5/8

x = -1 ± √5/8

Therefore,

x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot

Learn more about quadratic equation:

brainly.com/question/1214333

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4 0
2 years ago
Identify the center and the radius of each.<br><br> x^+y^+26x-22y+281=0
inessss [21]

Answer:

Center (-13,11) , radius 3

Step-by-step explanation:

The given circle has equation

x^2+y^2+26x-22y+281=0

We compare this to the general equation.

x^2+y^2+2ax+2by+c=0

where (-a,-b) is the center.

This implies that;

2a=26

\Rightarrow a=13

2b=-22

b=-11

The center is therefore (-13,11)

The radius is given by

r=\sqrt{a^2+b^2-c}

r=\sqrt{13^2+(-11)^2-281}

r=\sqrt{9}

The radius is 3

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3 years ago
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mel-nik [20]

Answer:

33.3333333333

Step-by-step explanation:

One coin would equal over 11 more would be 8.3333333333 so time that by 4

GoodLuck

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3 years ago
A construction worker needs to put a rectangular window in the side of a building. He knows from measuring that the top and bott
elena-14-01-66 [18.8K]

Answer:

B. 17 ft

Step-by-step explanation:

in a rectangle both diagonals are equally long.

7 0
2 years ago
Read 2 more answers
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