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AysviL [449]
3 years ago
11

Question 4 (1 point)

Mathematics
1 answer:
AnnZ [28]3 years ago
8 0
The answer is test scores
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Please solve it the answer is (a+b-2) (a-b+2) should be take out question a^2-b^2+4b-4
iVinArrow [24]

Answer:

see explanation

Step-by-step explanation:

Given

(a + b - 2)(a - b + 2)

Each term in the second factor is multiplied by each term in the first factor, that is

a(a - b + 2) + b(a - b + 2) - 2(a - b + 2) ← distribute the parenthesis

= a² - ab + 2a + ab - b² + 2b - 2a + 2b - 4 ← collect like terms

= a² - b² +4b - 4

3 0
3 years ago
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I need help , slope calculator
Troyanec [42]

Answer:

Step-by-step explanation:

change in x (horizontal) = 4 - 1 = 3

Change in y (vertical)  = 9 - 3 = 6

Slope = change in x / change in y

slope = 3 / 6 = 1/2

6 0
3 years ago
Learning how to walk can be a difficult task for babies.if a baby can walk 1 1/2 miles in an hour,how far will it be able to tra
Vesna [10]
1 1/2 * 2 3/4 = 
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33/8 =
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6 0
3 years ago
Please answer this correctly
Contact [7]

Answer:

3 4, 5 0 6

Step-by-step explanation:

88,946 - 54,440 = 34,506

So missing number :

3 4, 5 0 6

8 0
3 years ago
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34 points to whoever can answer this question !! :D
masha68 [24]

- 2 3/5 - 1 2/3

= -2 9/15 - 1 10/15

= (-2 9/15) + (- 1 10/15)

= -3 19/15

= -4 4/15

Answer is B

-4 4/15

8 0
3 years ago
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