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lakkis [162]
2 years ago
15

According to her running log, Ariana averaged 4 miles per week last month and 75% less this month. How much did she average this

month?
Mathematics
1 answer:
Umnica [9.8K]2 years ago
3 0

Answer:

She averaged 3 miles per week this month.

Step-by-step explanation:

You just take 75% of 4 and get 3.

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There are 3 strings with a different length that can be put into the sides. Assuming the string can be used once, then the possible way would be:
3!/(1+3-3)!= 3!/1!= 3*2*1= 6 ways
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Jocelyn walks her dog 5 days each week.Each Walk is 2 1/4 miles long. What is the total number of miles that Jocelyn walks her d
igor_vitrenko [27]

Answer:the answer is c

Step-by-step explanation:

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2 years ago
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For every 3 boys in the class there are 5 girls. If there are 36 boys in gym class, How many girls are there in the gym class ?
SVEN [57.7K]

Answer:

60

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I divided 36 by 3 got 12 then mutiplyed 12 by 5

7 0
2 years ago
If cos theta = -3/5 in quadrant 2, what is sin theta?
mote1985 [20]

Answer:

hello : sin(θ) = 4/25

Step-by-step explanation:

you know : cos²(θ) + sin²(θ) =1   and : cos(θ) = - 3/5

(-3/5)² + sin²(θ) =1

9/25 + sin²(θ) =1

sin²(θ) =1 -9/25

sin²(θ) = 16/25

sin(θ) = 4/25 or sin(θ) = - 4/25

in quadrant 2 :  sin(θ) > 0

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3 0
3 years ago
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The midpoint of AB is M (6,1). If the coordinates of A are (4, 8), what are the coordinates of B?
geniusboy [140]

Answer:

B = (8,-6)

Step-by-step explanation:

Given

A = (4,8)

M = (6,1) -- Midpoint

Required

Find B

This question will be solved using midpoint formula;

M(x,y) = (\frac{x_1 + x_2}{2},\frac{y_1 + y_2}{2})

Where

A(x_1,y_1) = (4,8)

M(x,y) = (6,1)

Substitute these values in the midpoint formula;

(6,1) = (\frac{4 + x_2}{2},\frac{8+y_2}{2})

By comparison; we have:

\frac{4 + x_2}{2} = 6 -- (1)

\frac{8 + y_2}{2} = 1 -- (2)

Solving (1)

\frac{4 + x_2}{2} = 6

Multiply both sides by 2

4 + x_2 = 12

Subtract 4 from both sides

x_2 = 8

Solving (2)

\frac{8 + y_2}{2} = 1

Multiply both sides by 2

8 + y_2 = 2

Subtract 8 from both sides

y_2 = -6

Hence:

B = (8,-6)

3 0
3 years ago
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