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snow_lady [41]
3 years ago
15

Please help me out please

Mathematics
1 answer:
natita [175]3 years ago
5 0

Answer:

RC = 40

Step-by-step explanation:

Note that the circumcentre is equally distant from the triangle's 3 vertices.

That is : PC = RC = QC

Equate any pair and solve for x

Using RC = PC, then

5x - 15 = 3x + 7 ( subtract 3x from both sides )

2x - 15 = 7 ( add 15 to both sides )

2x = 22 ( divide both sides by 2 )

x = 11

Hence

RC = (5 × 11) - 15 = 55 - 15 = 40 units

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55% of the cookies Joel baked had chocolate chips. If Joel baked 77 cookies with chocolate chips, how many cookies did he bake?
Ivenika [448]

Answer:

140 cookies

Step-by-step explanation:

To find the total from a given percent you multiply the given number by 100 so 77 by 100 which gives you 7700.

Next you divide it by the percentage that it is which is 55 so 7700 / 55 which is 140.

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3 years ago
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agasfer [191]

Answer:

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Step-by-step explanation:

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3 years ago
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8 is 15% of which number
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Solve the equation using the distributive property and properties of equality. 2 (x minus 8) = 68 What is the value of x?
SVEN [57.7K]

Answer:

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Use the division property of equality (divide both sides by 2)

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Answer:

Step-by-step explanation:

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