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Sliva [168]
3 years ago
8

Multiplying Integers with Integer Tiles –5(–2) =

Mathematics
2 answers:
Taya2010 [7]3 years ago
3 0

Answer:

-5 x -2 = 10

Step-by-step explanation:

- x - = +

5 x 2 = 10

butalik [34]3 years ago
3 0
The answer is 10 because a negative number times a negative number is a positive number
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62.8 in

Step-by-step explanation:

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3.14 x 20=62.8

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3

Step-by-step explanation:

The terms are separated by the "-"

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2 years ago
Can you help me with my work
andrezito [222]

Answer:

1. x = ±9

2. x=\pm \sqrt{13}

3. 12 and -12.

4. Antoine is incorrect. There exists two solutions x=5 and x= -5.

Step-by-step explanation:

According to the questions,

Problem 1. x^{2}-81=0 i.e. x^{2}=81 i.e. x = ±9.

Problem 2. 2x^{2}-26=0 i.e. x^{2}-13=0 i.e. x^{2}=13 i.e. x=\pm \sqrt{13}

Problem 3. [tex]f(x)=x^{2}-144[tex]

To find the roots, we take, [tex]x^{2}-144=0[tex] i.e. [tex]x^{2}=144[tex] i.e. x = ±12.

Thus, the options are 12 and -12.

Problem 4. We have [tex]f(x)=x^{2}+25[tex]

For the roots, we take, [tex]x^{2}+25=0[tex] i.e. [tex]x^{2}=25[tex] i.e. x = ±5.

Thus, Antoine is not correct and two solutions namely x=5 and x= -5 exists.

8 0
3 years ago
Buying with a credit car is basically getting a from the bank
USPshnik [31]

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Yes

Step-by-step explanation:

They are paying it for you but then you'll have to pay them back.

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3 years ago
What is the formula for the area of a parallelogram?
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7 0
3 years ago
Read 2 more answers
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