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nekit [7.7K]
3 years ago
13

13. In the right triangle depicted below, what is the cosine of angle B?

Mathematics
1 answer:
Anastasy [175]3 years ago
8 0

Answer:

number c

Step-by-step explanation:

.............. just for filling 20 characters

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Answer:

Letting x represent the number of signatures

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520 + 6x = 1000

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2 years ago
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Robert's dog is 4 years older than Karen's cat. In 3 years, the sum of the ages of Robert's dog and Karen's cat will be 13. How
mylen [45]

Answer:

5.5 years old.

Step-by-step explanation:

Let D represent present age of Robert's dog and C represent present age of Karen's cat.

We have been given that Robert's dog is 4 years older than Karen's cat. We can represent this information in an equation as:

D=C+4...(1)

We are also told that in 3 years, the sum of the ages of Robert's dog and Karen's cat will be 13. After 3 years age of dog and cat would be D+3 and C+3 respectively.

We can represent this information in an equation as:

D+3+C+3=13...(2)

From equation (1), we will get:

C=D-4

Upon substituting this value in equation (2), we will get:

D+3+D-4+3=13

Combine like terms:

2D+2=13

2D+2-2=13-2

2D=11

\frac{2D}{2}=\frac{11}{2}

D=5.5

Therefore, Robert's dog is 5.5 years old right now.

3 0
3 years ago
A kitchen drawer has a Volume 1,125 cubic inches. The drawer is 15 inches long and 5 inches deep. What is the width of the drawe
Temka [501]

Answer:

The width of the drawer is 15\ in

Step-by-step explanation:

we know that

The volume of the drawer is equal to

V=LWH

we have

L=15\ in

H=5\ in -----> the deep of the drawer

V=1,125\ in^{3}

substitute the given values in the formula and solve for W

1,125=(15)(W)(5)

1,125=(75)(W)

W=1,125/(75)

W=15\ in

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3 years ago
AO ⊥ (BCD)
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V = 272.3 cube units

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Combining transformations result in interesting designs.<br><br> True False
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True is the correct answer Hope this helped =)
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