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AveGali [126]
2 years ago
7

Match each system to the number the first equation can be multiplied by to eliminate the X-terms when adding to the second equat

ion. 10x - 4y =-8 1/2 –5x +6y = 10 3x - 8y = 1 6x + 5y = 12 -1/2 8x + 10y = 16 --4x - 5y = 13 -2 -2x + y = 3 4x + 3y = 9 + 2. ​

Mathematics
1 answer:
sasho [114]2 years ago
3 0

Answer:

The first one is 1/2, the second one is -2, the third one is -1/2, and the fourth one is 2.

Step-by-step explanation:

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Can U solve this?!<br><br> No Improper answers!
amm1812

Answer:

1

Step-by-step explanation:

multiply and divide(left to right)

=9-9+1

Add and subtract(left to right)

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6 0
3 years ago
Read 2 more answers
What does the correlation show about the relationship between temperature and sales of ice cream
kvasek [131]

The graph is missing. So is the set of data point values. However, I can assume that as the temperature goes up, then so does the sale of ice cream. It's not a perfect relationship, but there is a strong positive correlation between the two variables.

A positive correlation means that as one variable increases, so does the other. Also, it means that if one variable decreases, then the other variable decreases as well. The two variables move in the same direction together.

3 0
3 years ago
the vertex of this parabola is at (3,-2). When the x-vaue is 4, the y-value is 3. What is the coefficient of the squared express
bixtya [17]
<h3>Answer:   5</h3>

=========================================================

Explanation:

Vertex form is

y = a(x-h)^2 + k

We are told the vertex is (3,-2), so we know (h,k) = (3,-2)

y = a(x-h)^2 + k will update to y = a(x-3)^2 - 2

--------

Then we also know that (x,y) = (4,3) is a point on the parabola. Plug those x and y values into the equation and solve for 'a'

y = a(x-3)^2 - 2

3 = a(4-3)^2 - 2

3 = a(1)^2 - 2

3 = a - 2

3+2 = a

5 = a

a = 5

This is the coefficient of the x^2 term since the standard form is y = ax^2+bx+c.

4 0
3 years ago
Rita received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.07 per pound. After buying the
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3 years ago
Miguel deposits $5000 in an account
jeyben [28]

Then the amount of money will he have in his account after 10 years will be $7,454.16. Then the correct option is B.

<h3>What is compound interest?</h3>

Compound interest is the interest on a loan or deposit calculated based on the initial principal and the accumulated interest from the previous period.

Miguel deposits $5000 in an account earning 4% interest compounded monthly.

Then the amount of money will he have in his account after 10 years will be

We know the compound interest formula.

A = P (1 + r)^t

Where

A = amount

P = principal

r = rate of interest

t = time period (in year)

Then we have

\rm A = 5000 (1 + 0.04)^{10}\\\\A = 5000 (1.04)^{10}\\\\A = \$ \ 7454.16

More about the compound interest link is given below.

brainly.com/question/25857212

#SPJ1

5 0
2 years ago
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