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Ray Of Light [21]
3 years ago
5

Which of these strategies would eliminate a variable in the system of equations ?

Mathematics
1 answer:
Mrrafil [7]3 years ago
7 0

Answer:

B

Step-by-step explanation:

I believe the answer is B because if we multiply the top equation by 6, we get 48x + 30y = -42, and if we multiply the bottom equation by -5, we get

35x - 30y = 20. So now, if we add it all together, then the positive 30y and negative 30y cancel out aka it equals 0, and thus the variable y is gone, satisfying the requirement that the problem asks for ("Which of these strategies would eliminate a variable...").

I hope this helped, and if it's correct, I'd appreciate if you marked my answer as Brainliest :)

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You deposit $975.52 in a bank account. Find the balance after 4 years if the account pays 7.25% annual interest compounded quart
sladkih [1.3K]

Answer:

The final ballance will be $1300.37.

Step-by-step explanation:

In this case we have a compounded interest, in order to calculate the final balance we need to use the following formula:

S = P(1 + r/n)^(n*t)

Where S is the final balance, P is the initial investment, r is the rate of interest, t is the time and n is the rate at which it is compounded. Since we have all the values we can directly apply to the formula as follows:

S = 975.52*(1 + 0.0725/4)^(4*4)

S = 975.52*(1.018125)^(16)

S = 975.52*1.333

S = 1300.37

The final ballance will be $1300.37.

4 0
3 years ago
A rhombus with congruent sides is shown. Diagonals are drawn. The length of one diagonal is 6, and the length of the other diago
dezoksy [38]

Answer:

its 24

Step-by-step explanation:

i got it right on ed 2020

8 0
3 years ago
Read 2 more answers
This is the answer to Jo question
Dahasolnce [82]

Answer:

Kindly check explanation

Step-by-step explanation:

The following mistakes could be explained observed from the plotted bar chart presented in the attachment :

1.) The numeric label of the y-axis which shows the number of text messages isn't well scaled, the numbering did not start from 0, hence this is a defect in the scaling of the bar chart.

2.) Looking closely, the plotted bars do not ALIGN well in terms of spacing as the interval between each bar isn't consistent.

3.) Both the x and y axis of the graph are t labeled thus failing to add a good and meaningful description to the plot especially for first time viewers.

8 0
2 years ago
What two integers have a product of -35 and a sum -2
vovangra [49]

-7 and 5. The product would be -35 and the sum -2.

Hope this helps

8 0
3 years ago
Need help with 13 asap
Whitepunk [10]
I’m hoping you are talking about:
Factor -1/2 out of -1/2x + 6
If so then the answer is
-1/2(x-3)
4 0
3 years ago
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