3 years ago

Write an equation for the translation of x^2+y^2=25 by 7 units left and 2 units down

1 answer:

4 0

Your equation is a circle where the center is the origin (0, 0) and the radius is 5. With the translation, the new center is (- 7, - 2). Radius stays the same.

Your new equation is:

(x + 7)² + (y + 2)² = 25

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47: 44/2 = 22
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See attached file

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3 years ago

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Answer:

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Step-by-step explanation:

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Find the measure of angle x in the figure below: A.) 35° B.) 48° C.) 69° D.) 78°

prisoha [69]

Answer:

x = 48

Step-by-step explanation:

First find y

52+y+59 = 180 since they from a straight line

y = 180-59-52

y = 69

Then we know the angles of a triangle add to 180

x+y+63 = 180

x+69+63 = 180

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3 years ago

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In how many ways can 4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other?(A) 1

nirvana33 [79]

Answer:

1152

Step-by-step explanation:

4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other.

Two boys and two girls are not next to each other. so one boy and one girl are next to each other in two ways.

BGBGBGBG, GBGBGBGB

4 boys are arranged in 4! ways and 4 girls are arranged in 4! ways

So number of ways = $2 \cdot 4! \cdot 4!=2 \cdot 24 \cdot 24=1152$

4 0

3 years ago

Which expression is equivalent to 7(a+2) when a=6?<br> 7(6)<br> 9(6)<br> 7(6)+2<br> 7(6)+14

Pie

It is equivalent to 7(6) + 14

Step-by-step explanation:

Step 1: Solve 7(a + 2) when a = 6

⇒ 7 (6 + 2) = 7 × 8 = 56

Step 2: Find its equivalent

7(6) + 14 = 42 + 14 = 56

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3 years ago

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