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2 years ago

In problems 1-3, a and b are legs and c is the hypotenuse. Find the missing side length of the

Mathematics

1 answer:

Readme [11.4K]2 years ago

4 0

Answer:

1. b=39.497

2. c=3.606

3. a=18.974

Step-by-step explanation:

41^2-11^2=b^2

1681-121=b^2

b^=1560

b=39.497

2^2+3^2=c^2

4+9=c^2

c^2=13

c=3.606

21^2-9^9=a^2

441-81=a^2

a^2=360

a=18.974

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The value of 5s in 25,578

mash [69]

Answer:

500 and 5,000

Step-by-step explanation:

The value of the first 5 is five hundred (500)

The value of the second is five thousand (5,000)

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2 years ago

The volume of cube is 343 cubic centimeters.What is the suface area of the cube

Ann [662]

The cube root of 343 is 7.
One side has an area of 7*7 = 49 square cm
There are 6 sides to a cube
6 * 49 is the surface area = 294

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3 years ago

How do you simplify rational expressions

tatiyna

1) Look for factors that are common to the numerator & denominator

2) Cancel the common factor

3) If possible, look for other factors that are common to the numerator and denominator.

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3 years ago

The pair of values below is from a direct variation. Find the missing number.

NISA [10]

Answer:

The answer is 2.

2 since 6/4=3/2

Step-by-step explanation:

Since your relation is a direct variation then the points on your line are of the form y=kx where k is the constant of variation (also called constant of proportionality)

If y=kx then y/x=k.

So all the points in this relation since it is a direct variation will be equal to y-coordinate/x-coordinate.

So we are going to solve this proportion:

$\frac{6}{4}=\farc{3}{x}$

Again I put y/x from each point. They should have same ratio because this is a direct variation.

Cross multiply:

$6(x)=4(3)$

$6x=12$

Divide boht sides by 6:

$x=\frac{12}{6}$

$x=2$

6 0

3 years ago

Read 2 more answers

A bag contains 6 red and 10 black marbles. If you pick a marble from the bag, what is the probability that the marble will not b

Anton [14]

Answer:

you add 6 and ten to get 16. Since there are only 6 red, you do 6/16 = 0.375

So the answer is 37.5%

Step-by-step explanation:

3 0

3 years ago