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Alex787 [66]
3 years ago
12

Alya loves to read. She read 90 pages in half an hour. How many pages does she read per minute?

Mathematics
2 answers:
IgorC [24]3 years ago
6 0

Answer: 3

90 pages in 30 minutes so divide 90 by 30 and 90 divided 30 = 3

Hope this helps!

Aleonysh [2.5K]3 years ago
5 0

Answer: 3

Step-by-step explanation:

Step 1: Divide 90 by 30

Step 2: 90 divided by 30 = 3

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Answer:

6.31 mi

Step-by-step explanation:

The diagram below explains the solution better.

From the diagram,

C = starting point of the race.

A = end of the first part of the race.

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Using Cosine rule, we can find the straight-line distance between the starting point and the end of the race.

Cosine rule states that:

a^2 = b^2 + c^2 - 2bc[cos(A)]

where A = angle A = <A

Given that

b = 5.2 miles

c = 2.0 miles

<A = 115° (from the diagram)

Hence,

a^2 = 5.2^2 + 2.0^2 - 2*5.2*2.0[cos(115)]\\\\a^2 = 27.04 + 4 - 20.8[cos(115)]\\\\a^2 = 31.04 + 8.79\\\\a^2 = 39.83\\\\a = \sqrt{39.83}\\ \\a = 6.31 mi

The straight-line distance between the starting point and the end of the race is 6.31 mi

4 0
3 years ago
Brian invests $10,000 in an account earning 4% interest, compounded annually for 10 years. Five years after Brian's initial inve
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Brian will get 40,000 then Chris will get 70,000
8 0
3 years ago
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What is the answer ?
Softa [21]

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3 years ago
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Karel the Dog is instructed to move forward three spaces. Then, if Karel is standing on a ball, Karel will turn right and move f
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Complete Question

The diagram for the question is shown on the first uploaded image

Answer:

The final  position of  Karel is shown on the second uploaded image

Step-by-step explanation:

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