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Law Incorporation [45]
2 years ago
10

Evaluate the expression.

Mathematics
2 answers:
grigory [225]2 years ago
8 0

Answer:

1/9

Step-by-step explanation:

3^-2

We know that a^-b = 1/a^b

1/3^2

1/9

stiv31 [10]2 years ago
6 0

Answer:

1/9, decimal form = 0.1 repeating

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Which value of c would make the following express completely factored? 8x+cy
Artist 52 [7]
The answer is B, 7.

\sf 8x+2y

We can factor a 2 out of this: \sf 2(4x+y)

\boxed{\sf 8x+7y}

We can't factor anything.

\sf 8x+12y

We can factor a 4 out of this: \sf 4(2x+3y)

\sf 8x+16y

We can factor an 8 out of this: \sf 8(x+2y)

So your answer is B, 7.
6 0
3 years ago
Read 2 more answers
What is the product of seven and eight decreased by “x” if x =15?
jekas [21]

Answer:

0

Step-by-step explanation:

product is another word for +

decreased is another word for -

____________________________

(7 + 8) - x

so

(7+8) - 15

15 - 15

= 0

7 0
2 years ago
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Which of these examples is an error of addition by one?
N76 [4]

Answer:

The correct answer is:

A. 27,465 +52,534 = 79,899

Step-by-step explanation:

Given are the options for addition

We have to check each addition one by one

So,

A. 27,465 +52,534 = 79,899

This option is the example of error of addition by one. The answer should have been 79,999. Hence there is an error in addition ..

Hence, option a: 27,465 +52,534 = 79,899  is the correct answer ..

4 0
3 years ago
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Mrs. Hanger is painting the following picture of an H to hang in the entryway of her home. She has made the following scale draw
77julia77 [94]

Answer:

40 square inch

Step-by-step explanation:

1/2+1/2= 1

1+1=2

2times 4= 8

8times 5= 40

if the problem has inches in it,

the answer will always equal to a square-inch

8 0
2 years ago
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A group of 20 students are going to watch a basketball game. It cost $10 for 4 students to watch a game. How much will the group
ivolga24 [154]
They will pay 15 dollars
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2 years ago
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