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3 years ago

Janelle subtracts -4 from a number. The result is -2. What is the number?0

Mathematics

2 answers:

kicyunya [14]3 years ago

5 0

Answer:

-6

Step-by-step explanation:

? - (-4) = -2

? + 4 = -2

-6 + 4 = -2

Your Answer will be -6

Hope that helps!

lianna [129]3 years ago

5 0

Answer:

-6

Step-by-step explanation:

because you are just doing basic math so just take 6-4 and you will get 2, except you put negitave signs so the answer is -6

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3 years ago

F(x)=2(5x+7) find f(-2)

dezoksy [38]

Oh how fun, functions!! You substitute f(-2) into your starting function so it will look like this:
f(x)=2(5x+7)
f(x)=10x+14
f(-2)=10(-2)+14
f(-2)=(-20)+14
f(-2)=(-6)
divide by negative 2 on each side to find f:
f=3
Hope this helped!!

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3 years ago

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3 years ago

Read 2 more answers

a major arranges his soliders in rows to form a perfect square 40 soliders are left out if the total no. of soliders are 6281, f

LUCKY_DIMON [66]

Answer:

79 soldiers

Step-by-step explanation:

Since 40 soldiers were not included in the square, the square consists of 6241 soldiers. 6241 represents the area of the square, and the rows (r) represents a side of the square. Since the area of a square = the length of the side squared, then $6241 = r^{2}$ .

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