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mel-nik [20]
4 years ago
8

What's the rule about adding intergers?​

Mathematics
1 answer:
vivado [14]4 years ago
5 0

Answer:

Integers include both positive and negative numbers, and there are several rules for adding integers. Adding two positive integers together will always result in a positive integer. For example, 6 + 4 = 10. To add two negative integers, add the numbers together and place a negative sign in front of the answer.

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Can anyone answer these questions
SOVA2 [1]

Answer:

see explanation

see explanationStep-by-step explanation:

21

Note that

(a - \frac{1}{a})²

= a² - 2 + \frac{1}{a^2}

= a² + \frac{1}{a^2} - 2

= 11 - 2

= 9

Thus

(a - \frac{1}{a})² = 9 ( take the square root of both sides )

a - \frac{1}{a} = 3

22

Since the expression is a perfect square, then

(4x + 5y)²

= 16x² + 40xy + 25y²

Comparing coefficients, then

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a = 41

23

99² - 87² ← is a difference of squares and factors as

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3 0
4 years ago
Please help i’m stuck!!<br> FIND GE AND FJ<br> HE = 6<br> FE= 8
dexar [7]

Answer:

GE=10

FJ=5

Step-by-step explanation:

We know that in a traingle

a^{2}+b^{2}  =c^{2}

a=HE=6

b=FE=8

Once we enter it into the equation, we find that we get

36+64=100

The square root of 100=10

GE=HF so HE=10.

Half of HE(10) is FJ(5)

Hope this help :)

6 0
4 years ago
Evaluate ab + c for a = 2, b = 3, and c = 4.<br> 9<br> 10<br> 27
valentinak56 [21]

Answer:

10

Step-by-step explanation:

2*3=6

6+c

6+4=10

7 0
3 years ago
Read 2 more answers
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pantera1 [17]
U bought 3 candy bars

4 0
4 years ago
The owner of a large manufacturing plant pays the base rate of $11.24 per $100 in wages paid for workers’ compensation insurance
Pepsi [2]

Answer:

Answer is B

Step-by-step explanation:

5 0
3 years ago
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