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ehidna [41]
2 years ago
14

Solve 3x ^2 + 2 = 11 - x ^2

Mathematics
1 answer:
ale4655 [162]2 years ago
4 0
2x=3 or x=3/2 i think thats right
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If a smaller replica of the ferris wheel was constructed, what conclusions could you draw about the central angle of the origina
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The arc and the central angles will be the same.

If you were making a replica ferris wheel it would be similar to the larger ferris wheel. This means that all the angles would be the same. If the angles were the same, the arc measures would also be the same.
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3 years ago
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Sebastian solved the radical equation y + 1 = but did not check his solution. (y + 1)2 = y2 + 2y + 1 = –2y – 3 y2 + 4y + 4 = 0 (
jek_recluse [69]

Answer:

There are no true solutions to the equation

Step-by-step explanation:

The equation is

y+1=√-2y-3

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Square both sides

(y+1)^2=(√-2y-3)^2

y^2+2y+1= -2y-3

y^2+2y+1+2y+3=0

y^2+4y+4=0

Solve quadratic equation by factorisation

we have

(y+2)(y+2)=0

y=-2

Check

y+1=√-2y-3

-2+1=√-2(-2)-3

-1=√4-3

-1=√1

-1=1

This is not true

5 0
3 years ago
Hazel wants to build a concrete patio that will be 9 yards by 11 yards. It will cost $4.00 per square yard to build. What will b
Serggg [28]

Answer:

$396

Step-by-step explanation:

The total cost of the patio = area of the patio x cost per square yard

area of the patio = area of a rectangle = length x breadth = 11 x 9 = 99 yards^2

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8 0
2 years ago
Avery wanted to make 4 cakes for a huge party. Each cake requires 1.25 cups of milk to make. How much milk will she need to make
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Answer:

Step-by-step explanation:

She will need 5 cups of milk because 1.25 times 4 equals to 5!

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2 years ago
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