3 years ago

Three Less Than A Number 15

Mathematics

1 answer:

erica [24]3 years ago

4 0

Answer:

12 ig all i did was subtract 3 from 15

Step-by-step explanation:

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By how much does -12 exceed -15

kotegsom [21]

Answer:

By 3.

Step-by-step explanation:

-12-3=-15

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2 years ago

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If 12y=75+5x+2x-1. What is the value of x

AleksandrR [38]

Answer:

x = $\frac{12y - 74}{7}$

Step-by-step explanation:

12y = 75 + 5x + 2x - 1

combine like terms:

12y = 74 + 7x

subtract 74 from both sides:

7x = 12y - 74

divide both sides by 7:

x = $\frac{12y - 74}{7}$

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3 years ago

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A textbook store sold a combined total of 294 physics and psychology textbooks in a week. The number of psychology textbooks sol

miv72 [106K]

Answer:

105 psychology textbooks. 189 physics textbooks.

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3 years ago

PLEASE HELP! BRAINLIEST! So desperate.

PSYCHO15rus [73]

Answer:

<B = 15

Step-by-step explanation:

A triangle adds up to 180 degrees.

Since these triangles are similar, the sides are located in the same spot. (A is in same spot as D, etc.)

A=75

F=90

75 + 90 + x = 180

165 + x = 180

x = 15

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3 years ago

Simplified form please help thank you

Agata [3.3K]

$\dfrac{5^2}{2^{-2}}=5^2\cdot2^2=(5\cdot2)^2=10^2=100$

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3 years ago