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xxTIMURxx [149]
3 years ago
7

Which statement is true about the equations –3x + 4y = 12 and x – y = 1?

Mathematics
1 answer:
Anastaziya [24]3 years ago
4 0

The answer is the 4th choice

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F(x)=4x^2-7x+7 Find f(7)
harkovskaia [24]

Answer:

154

Step-by-step explanation:

Because since it says find f(7) you plug the 7 into the x's so it would be...

4(7)^2-7(7)+7= 154

8 0
3 years ago
One thousand dollars is invested in a savings account that pays 9% interest per year. The interest earned after the first year i
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In order to solve this problem, the first thing we are going to do is find out how much is 9% of 1000, since 9% is the interest per year. So 0.09 x 1000 and that would be 90. And since the interest earned is added to the account, the account will now have a total of $1090 which is now the new principal. Based on this new principal, we need to know the 9% of it again to know how much interest in earned in the following year. So that would be 0.09 x 1090 and the result is $98.10. Hope this answer helps.
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3 years ago
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3 years ago
Find angle v and solve for x
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6 0
3 years ago
Help with math...i will give brainlys
denpristay [2]

Answer:

1. a. Corresponding angles

b. alternate exterior angles

c. same side interior angles

2. answer is 9

Step-by-step explanation:

4x+2=7x-25

subtract for on both sides

2=3x-25

Add 25 on both sides

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Then divide 3 on both sides

x=9

8 0
4 years ago
Read 2 more answers
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