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Reptile [31]
3 years ago
9

f the points (-4, 1) and (2, 1) are the endpoints of a diameter of a circle, where is the center? A) (-7, 1) B) (-1, 1) C) (1, -

1) D) (5, 1)
Mathematics
1 answer:
Ulleksa [173]3 years ago
4 0

Answer:

B

Step-by-step explanation:

The centre is at the midpoint of the endpoints of the diameter.

Using the midpoint formula, then

centre = ( \frac{-4+2}{2}, \frac{1+1}{2} ) = (- 1, 1 ) → B

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Would someone help me with this question please?
umka2103 [35]

Answer:

49

Step-by-step explanation:

Root is the opposite of a power of 2.

Find 7 to the power of 2 to find the number inside:

7^2 = 7 * 7 = 49

49 is your answer, or B)

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5 0
3 years ago
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A local food mart donates 20% of it's friday's sales to charity.
Digiron [165]

Answer:

$64

Step-by-step explanation:

We have been given that a local food mart donates 20% of it's Friday's sales to charity. This Friday the food mart had sales totaling 320.00 dollars.

To find the the amount donated to the charity, we will find 20% of $320.

\text{The amount donated to the charity}=\$320\times\frac{20}{100}

\text{The amount donated to the charity}=\$320\times0.20

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Therefore, $64 were donated to the charity.

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3 years ago
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WARRIOR [948]
The answer is B And C
7 0
2 years ago
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What is 392,153 rounded to the nearest ten thousand
Alchen [17]

Step-by-step explanation:

392,153 rounded to the nearest ten thousand is 390,000

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2 years ago
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In the given diagram if AB || CD, ∠ABO = 118° , ∠BOD = 152° , then find the value of ∠ODC.
GaryK [48]

Answer:

90°

Step-by-step explanation:

Through point O draw a ray on left side of O which is || to AB & CD and take any point P on it.

Therefore,

∠ABO + ∠BOP = 180° (by interior angle Postulate)

118° + ∠BOP = 180°

∠BOP = 180° - 118°

∠BOP = 62°.... (1)

Since, ∠BOP + ∠POD = ∠BOD

Therefore, 62° + ∠POD = 152°

∠POD = 152° - 62°

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∠POD + ∠ODC = 180° (by interior angle Postulate)

90° + ∠ODC = 180°

∠ODC = 180° - 90°

\huge\red {\boxed {m\angle ODC =  90°}}

6 0
3 years ago
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