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Elena-2011 [213]
3 years ago
6

The system of equations: 5x-4y=-3

Mathematics
1 answer:
Sophie [7]3 years ago
5 0

Answer:

3)5x-4y=-3

6x+4y=14

Step-by-step explanation:

The system of equations is given

5x-4y=-3

3x+2y=7

Multiplying both sides of the lower equation by 2, we get

6x + 4y = 14

That means your answer 3)

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What is the arithmetic sequence in this problem . help plz
adell [148]

Answer:

<u>a(n)=80*(9/10)^(n-1)</u>

Step-by-step explanation:

I think u r confused

this sequence is geometric not arithmetic

HOw we know that ??

when we get a common difference  <u>that must Be equal  </u>

d=72-80=-8  not equal to  d=64.8-72=-7.2

So it is not arithmetic

but when we get the common ratio that also must <u>be equal </u>

r=72/80=9/10 equal to   r=64.8/72=9/10

So it is geometric

By using this equation:

a(n)=a*r^(n-1)

and we have <u>a=80 , r=9/10</u>

Then       <u>a(n)=80*(9/10)^(n-1)</u>

<em>I really hope this helps <3</em>

6 0
3 years ago
The circle below is centered at (3, 1) and has a radius of 2. What is its
saw5 [17]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
Which of the following is NOT a tax collected by the federal government? A. sales tax B. excise tax C. income tax D. payroll tax
Usimov [2.4K]
I believe the answer is B "excise tax" I think its this answer because I know that the goverment charges income tax, payroll tax, and sales tax.
4 0
3 years ago
Read 2 more answers
4(x+x+7)-2x+7-4 by substituting x=1 and x=2
yuradex [85]
4(x+x+7) x=1
4(1+1+7)
4+4+28 = 36

(-2x+7-4) x=2
-2(2)+7-4
-4+7-4 = -1

5 0
3 years ago
Read 2 more answers
Please Help!!
kirill115 [55]

Answer:

x=10 x=5

Step-by-step explanation:

absalute value is the numarical distance away from 0

3 0
3 years ago
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