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polet [3.4K]
2 years ago
15

Solve system of equation by elimination: 4x - y = 1 3x + y = -1

Mathematics
1 answer:
riadik2000 [5.3K]2 years ago
8 0
The answer would be a: (0, -1). Hope this helps.
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Find -3a2 - b3 + 3c2 - 2b3 if a = 2, b = -1, and c = 3
Studentka2010 [4]
If you would like to solve - 3 * a^2 - b^3 + 3 * c^2 - 2 * b^3, if a = 2, b = -1, c = 3, you can calculate this using the following steps:

a = 2, b = -1, c = 3
- 3 * a^2 - b^3 + 3 * c^2 - 2 * b^3 = - 3 * 2^2 - (-1)^3 + 3 * 3^2 - 2 * (-1)^3 = - 3 * 4 - (-1) + 3 * 9 - 2 * (-1) = - 12 + 1 + 27 + 2 = 18

The correct result would be 18.

6 0
3 years ago
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4/ PLEASE HELP ME ON THIS. ASAP
rewona [7]

Answer: a,b,d,e are all right beacuse they all relate to the question

Step-by-step explanation:

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4 0
3 years ago
If one foot is the same length as 12 inches, how many inches equal 3.5 feet? (Only input whole numbers.)
lesantik [10]
1ft=12in
1ft/12in=1

3.5ft=?in
1ft:12in=3.5ft:?in
1ft/12in=3.5ft/?in
times both sides by 12?in
1?=42in

answer is 42 in

or you could just do
3.5 times 12=42 inches
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3 years ago
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Need this ASAP pls help
fgiga [73]

wheres the question?

6 0
3 years ago
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The following problem has a mistake in it. Correct the right side:<br> 7(a+2)=7xa+2
Nadya [2.5K]
Answer:
7(a+2) = 7a+14
Explanation:
Distribution Formula
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2 years ago
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