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Ne4ueva [31]
3 years ago
15

Can someone help me please, thanks

Mathematics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

c

Step-by-step explanation:

You might be interested in
3x + 2y = -9<br> 4x - 2y = -26<br> please help I have to solve this with the elimination method
Paladinen [302]

Answer:

x = - 5, y = 3

Step-by-step explanation:

Given the 2 equations

3x + 2y = - 9 → (1)

4x - 2y = - 26 → (2)

Adding (1) and (2) term by term eliminates the y- term, that is

7x = - 35 ( divide both sides by 7 )

x = - 5

Substitute x = - 5 into either of the 2 equations and solve for y

Substituting into (1)

3(- 5) + 2y = - 9

- 15 + 2y = - 9 ( add 15 to both sides )

2y = 6 ( divide both sides by 2 )

y = 3

8 0
3 years ago
Explain how genetic engineering can be used to improve crop production.
Dimas [21]

Answer:

Crops are genetically modified to allow higher yields due to the production of molecules that are toxic to insect pests, but have no effect on animals and humans. ... Crops that are resistant to herbicides can also provide higher yield as the farmer can reduce the number of competing weed species in the field.

Step-by-step explanation:

5 0
4 years ago
Find the volume of the cylinder
Alexxx [7]

Answer:

47

Step-by-step explanation:

the formula is πr²h/3= pi=22/7, so 22/7x 3x 5/3= 47.12389 simplified= 47

3 0
3 years ago
6s is less than -180
coldgirl [10]
I don't totally understand,but maybe it's 6(-31)=-186.
I don't really understand the question?
8 0
4 years ago
So I was wondering how to do this, 15-<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%2B2%7D" id="TexFormula1" title="\sqrt{x+2}"
Yuki888 [10]

Answer:

Step-by-step explanation:

The question makes sense for all values of x, but I imagine that is not exactly what you mean.

I think you mean for what values of x does the question produce a real square root?

The answer is as long as x + 2  does not drop below   0, the results will be real.

Put mathematically x ≥ -2 gives a real result. For now just don't try and take the square root of a minus number.

6 0
2 years ago
Read 2 more answers
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