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LuckyWell [14K]
2 years ago
15

Jacob paid $987 for a laptop which was 60% off the original price. What was the

Mathematics
1 answer:
Ray Of Light [21]2 years ago
3 0

Answer:

$2467.50

Step-by-step explanation:

987 = ( 1 - 0.6 )x

987 = 0.4x

x = 2467.5

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What is the answer to the question. Solve for x
slega [8]

Answer:

Answer:

x=\frac{75}2

Step-by-step explanation:

Give letters, as in the attached image.

The triangles ABE and CDE are similars (AAA). In particular AE:CE=BE:DE \rightarrow 46:30=(x+20):x \rightarrow 46x=30(x+20) \rightarrow 23x=15x+300 \rightarrow 8x=300\rightarrow  x=\frac{75}2

5 0
2 years ago
Maria studied the traffic trends in India. She found that the number of cars on the road increases by 10% each year. If there we
lord [1]

Answer:

b. 8,800,000.

Step-by-step explanation:

In maria study the number of cars on the road increases by 10% each year.

Total number of cars in the first year =80 million cars.

We will add 10% of 80 million to 80 milion to enable us get the number of cars for the second year.

For year 2 we have;

10% of 80,000,000+80,000,000

\frac{10}{100}*80,000,000+80,000,000

8,000,000 + 80,000,000

88,000,000

number of cars in year 2 = 88 million

We will add 10% of 88 million to 88 milion to enable us get the number of cars for the third year.

\frac{10}{100}*88,000,000+88,000,000

8,800,000+88,000,000

96,800,000

the number of cars on the road in year 3 compared to year 2 will just be the increase which is in BOLD. That is 8,800,000

<em>or simply subtract the number of cars in year 2 from that in year 3;</em>

96,800,000-88,000,000 = 8,800,000

8 0
3 years ago
Read 2 more answers
The question is 7a +10 = 2a
Amanda [17]
 7a + 10 = 2a  subtract 2a from both sides
-2a          -2a
 5a + 10 = 0    subtract 10 from both sides
       -10    -10
5a = -10          then divide both sides by 5
/5      /5
a = - 2
8 0
3 years ago
Read 2 more answers
What is the 10% of 3000?​
mrs_skeptik [129]

Answer:

300

Have a good day!

4 0
2 years ago
Between which two integers is the value of √11?
Makovka662 [10]
The square root of 9 is 3
The square root of 11 is ?
The square root of 16 is 4

Between 3 and 4
3 0
1 year ago
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