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kiruha [24]
2 years ago
11

Could someone help me plz

Mathematics
1 answer:
AfilCa [17]2 years ago
8 0

Answer:

I think it’s c

Step-by-step explanation:

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Cindy plans to shop for her school supplies and wants to know how much money she would need to spend. from her friend she knows
vlabodo [156]

Let the cost of 1 notebook be x and the cost of 1 binder be y.

4 notebooks and 3 binders would cost 23.5

Therefore, 4x + 3y = 23.5     (1)

7 notebooks and 6 binders would cost 44.5

Therefore, 7x + 6y = 44.5     (2)

Multiply the first equation by 2.

8x + 6y = 47     (3)

(3) - (2) gives

x = 2.5

Substitute the value of x in (1), we get,

4(2.5) + 3y = 23.5

10 + 3y = 23.5

3y = 23.5 - 10

3y = 13.5

y = 13.5/3

y = 4.5

Hence, cost of 5 notebooks and 3 binders is:

5x + 3y = 5(2.5) + 3(4.5)

           = 12.5 + 13.5

           = 26

Hence, cost of 5 notebooks and 3 binders is $26.

4 0
3 years ago
Graph the line.<br> y=4/3x
netineya [11]

Answer:

Start from (0,0) and do rise over run

Step-by-step explanation:

Rise 4

Run 3

For the III (3rd) quadrant use

Rise -4

Run -3

3 0
2 years ago
What is the height of the cylinder in the diagram? Round your answer to the nearest whole number.
ryzh [129]

Answer:

\mathrm{78.96 \: cm}

Step-by-step explanation:

Cylinder volume formula is \pi r^2h

\pi \times 6^2 \times h=904.78

36\pi \times h=904.78

h=904.78 \div 36\pi

h=78.95695

5 0
3 years ago
Read 2 more answers
What is .2 repeating, 1/5, .02 from least to greatest
Vlad1618 [11]

Answer:

.02, 1/5, .2 repeating

Step-by-step explanation:

.02

1/5 = 0.2                (Simply divide 1 by 5)

.2 repeating




4 0
3 years ago
The product of 4 and twice a number is 60
fredd [130]

Answer: I think the answer would be 4+2n=60.. might be wrong though

Step-by-step explanation:

6 0
3 years ago
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