3 years ago

Does anyone know the answer for 42 ?

Mathematics

1 answer:

Trava [24]3 years ago

4 0

Question 42 is B because I did the math

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If on a scale drawing 75 feet are represented by 45 inches, then a scale of 1/5 inch represents how many feet?

kvasek [131]

Answer:

1/3 or 0.33 feet

Step-by-step explanation:

This question can be easily answered by using simple proportions.

If 75 feet are represented by 45 inches on a scale, then the scaling factor from feet to inches is 45/75, or from inches to feet is 75/45

If we have 1/5 inch and want feet, just multiply by 75/45 to get

1/5*75/45=1/3=0.33 feet

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3 years ago

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What is 0.6(r 0.2)=1.8

Dahasolnce [82]

0.12r=1.8
Divide both sides by 0.12
r = 15

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3 years ago

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What is the probability that a randomly selected number from 30 to 61 is divisible by 7 and then divisible by 20 after replacing

devlian [24]

Probability is zero. no solution

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3 years ago

3 less than the quotient of a number y and 4<br><br><br> Answer?

Vesna [10]

Y/4-3 if you needed to make it into an equation that would be it

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3 years ago

Pls help find x in both

RUDIKE [14]

Answer:

Step-by-step explanation:

In similar triangles, corresponding sides are in same ratio

$\frac{28}{24} = \frac{3x-9}{x +8}\\\\\frac{7}{6}=\frac{3x-9}{x+8}\\$

Cross multiply,

7*(x + 8) = 6*(3x -9 )

7x + 7*8 = 6*3x - 6*9

7x + 56 = 18x - 54

56 = 18x - 7x -54

56 = 11x - 54

11x - 54 = 56

11x = 56 +54

11x = 110

x = 110 /11

x = 10

PR = 3x -9

= 30 - 9

PR = 21

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3 years ago