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FromTheMoon [43]
3 years ago
7

List three pairs of opposite numbers

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
6 0
-5 and 5, -2 and 2, -7 and 7 .
sdas [7]3 years ago
4 0

Answer:

-1 and +1, -2 and +2, -3 and 3

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If Jose's present age is 3n, how old will he be in 5 years?
KatRina [158]

Answer:

3n + 5

Step-by-step explanation:

You can't add 5 to 3n. So in 5 years he will 3n + 5.

7 0
3 years ago
#1. Which is equal to z3 8? A. (z - 2)(z^2 - 2z - 4). B. (z + 2)(z^2 - 2z + 4) C.(z - 2)(z^2+ 2z + 4). D. (z + 2)(z^2+ 2z - 4) #
tankabanditka [31]
#1. B
<span>(z * z^2 + z * 2z + z * 4) – (-2 *z^2 – (-2) 2z – (-2) 4)
Z^3 + 2z^2 + 4z – 2z^2 -4z – 8
Z^3 + 2z^2 – 2z^2 + 4z – 4z – 8
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<span>(x + y)(x + 2)
x^2 + 2x + yx + 2y
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#4. D.
<span>(x - 7)(x + 7)(x- 2)
x^2 + 7x – 7x -49
x^2 + x – 49
x^2 -49
(x^2 – 49 ) (x – 2)
x^3 – 2x^2 – 49x + 98
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#5. C
(y - 4) = 0
y = 4
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#6. A and B
3 0
3 years ago
D − 21.4 = 87 . Help! What is D?
Vesnalui [34]

Answer:

108.4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
2. Tessa used the computer every day. Her mother said Tessa could only use the
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Answer:

3/4 of an hour

Step-by-step explanation:

To find the leftover time, subtract the total allotted time by the time used.

First make sure they have common denominators.

1 1/2 = 3/2 = 6/4

6/4 - 3/4 = 3/4

Tessa has 3/4 of an hour left.

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3 years ago
Scientists researching amphibians put tags on 30 frogs in a wetland area. Later, the scientists captured 520 frogs, of which 12
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Answer:

I THINK THE ANSWER IS d or e

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3 years ago
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