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e-lub [12.9K]
2 years ago
9

Jordan is saving to buy a computer that costs $425. So far she has saved $125, and she adds $20 to her savings each week. How ma

ny weeks must she save to be able to afford the computer?
Mathematics
1 answer:
Ber [7]2 years ago
4 0

Answer:

15 more weeks

Step-by-step explanation:

425 - 125 (what shes already saved)

300 divided by 20 (amount shes saving each week)

Result is 15, so 15 more weeks.

Hope this helped :)

If you mean how many weeks total, 125 according to the 20 dollars a week would bring it 22 weeks i think.. since the answer answer is 21.2 weeks exactly when you divide 425 by 20.

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Which number should follow in this series: 64/64 9/12 6/12​
zheka24 [161]

Answer: \frac{1}{4}

Step-by-step explanation:

You can reduce the fractions, then:

\frac{64}{64}=1

\frac{9}{12}=\frac{3}{4}

\frac{6}{12}=\frac{3}{6}=\frac{1}{2}

Rewrite them as following:

1,\frac{3}{4},\frac{1}{2}

If you subtract the first number and the second number, you obtain:

1-\frac{3}{4}=\frac{1}{4}

 If you subtract the second number and the second number, you obtain:

\frac{3}{4}-\frac{1}{2}=\frac{1}{4}

Therefore, you must subtract \frac{1}{2} and \frac{1}{4} to obtain the number asked. Then, this is:

\frac{1}{2}-\frac{1}{4}=\frac{1}{4}

6 0
3 years ago
Read 2 more answers
The measures of the angles of a triangle solve for X
kompoz [17]

Answer:

x = 7

Step-by-step explanation:

Because this is a right triangle, one angle is a right angle (90°). All triangles have all three angle measures adding up to 180°, so the other two angles' measures add up to 90° (90 + 90 = 180).

Combine like terms of the angle measures.

6x + 9x = 15x

-3 + (-12) = -15

15x - 15

Because the sum of the measures of the two angles have to equal 90,

15x - 15 = 90

Add 15 from both sides.

15x = 105

Divide both sides by 15.

x = 7

To check, substitute 7 in both expressions.

6(7) - 3 = 39

9(7) - 12 = 51

39 + 51 + 90 (the measure of the right angle) = 180, so the value of x is 7.

I hope this helped :)

7 0
3 years ago
Point A is located at (-2, 4). After it is transformed, point A' is located at (2, 4). What could the transformation be?
Sergeeva-Olga [200]
The only one that wouldn’t change the y-value is a reflection across the y-axis.
4 0
3 years ago
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What is the maximum value of the expression -5x^2 + 100x + 4,000?
Ludmilka [50]

Answer:

4500

Step-by-step explanation:

x=10

3 0
3 years ago
A stone is an English measure of weight. There are 14 lb in 1 stone and 2.2 lb in 1 kg.
AveGali [126]
We should use lb to convert weight to kg

let unknown lb be = X
14 lb = 1 stone
X lb = 9 stone
Cross multiply : X × 1 = 9 × 14
X = 126 / 1 = 126 lb

9 stone = 126 lb
let unknown value of kg be = Y
2.2 lb = 1kg
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Cross multiply : 2.2 × Y = 126 × 1
Y = 126 / 2.2 = 57.3 kg

So 9 stone = 126 lb = 57.3 kg

HOPE IT HELPED !!
3 0
3 years ago
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