3 years ago

HELP!!

Mathematics

1 answer:

Vlad1618 [11]3 years ago

7 0

Answer:

Step-by-step explanation:

i think this may help you

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Solve the following quadratic equation. (x-18)^2=1

Leviafan [203]

Answer:

x = 19, 17

Step-by-step explanation:

(x-18)(x-18)=1

x^2 - 36x + 324=1

x^2 - 36x = -323

x^2 - 36x + 323 = 1

(x-19)(x-17) = 0

x = 19, 17

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3 years ago

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Hannah received $30 for her birthday and bought 3 shirts that were all the same price. If she had $9 left over, which equation s

sukhopar [10]

Equation:
9+3x=30

Answer:
9+3x=30

Subtract 9 from each side.
3x=21

divide by 3 on each side.
x=7

Each shirt cost $7.

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3 years ago

Which segment represents the diameter of the circle?<br> A<br> B<br> C<br> D

charle [14.2K]

The answer is C because its the only touching the circle on each end

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4 years ago

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Virty [35]

Answer:

If i'm not mistaken X=3 and Y=16

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3 years ago

- Which of the following is the correct distance between the points (-5, 3) and (7,8)?

JulsSmile [24]

Answer:

13 units

Step-by-step explanation:

(x₁,y₁) = (-5 , 3) & (x₂ , y₂) = (7 ,8)

$Distance = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}} \\$

$= \sqrt{(7-[-5])^{2}+(8-3)^{2}} \\\\= \sqrt{(7+5)^{2}+(8-3)^{2}} \\\\= \sqrt{(12)^{2}+(5)^{2}}\\\\=\sqrt{144+25}\\\\=\sqrt{169}\\\\= 13$

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3 years ago