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Tresset [83]
3 years ago
10

Two more than a certain number is 15 less than twice the number. Find the number

Mathematics
2 answers:
AlekseyPX3 years ago
8 0
(x + 2) + 15 = 2x

x+ 17 = 2x

x (-x) + 17 = 2x (-x)

17 = x

x = 17

hope this helps
Svetllana [295]3 years ago
6 0
2+x=2x-15
>> 2+15=2x-x
>> 17 = x

So the answer is <u>17</u>
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Answer:

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Step-by-step explanation:

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3 0
2 years ago
Kyle is a salesman. His monthly earnings include a fixed monthly salary and a commission that is a fixed percentage of his total
____ [38]

Answer:

Kyle’s fixed monthly salary in dollars is $1800

Step-by-step explanation:

let a be the fixed monthly salary

let b% represent the fixed percentage of sales

a+(b%*15000)=2550

a+(b%*25000)=3050

a+(b/100*15000)=2550

a+150b=2550

a+(b/100*25000)=3050

a+250b=3050

now we have

a+150b=2550

a+250b=3050

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100b=500

b=500/100=5%

then a+(5%*15000)=2550

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8 0
3 years ago
50 points decreased by 26% is points.
lakkis [162]
50\times\frac{26}{100}\\\\=\frac{50\times26}{100}\\\\=\frac{1300}{100}\\\\=13\\\\50-13={\boxed{ \bf 37}}

50 points decreased by 26% is 37 points.

50\times\frac{26}{100}\\\\= 50 \times 0.26\\\\=13\\\\ 50-13={\boxed{ \bf 37}}

50 points decreased by 26% is 37 points.
3 0
3 years ago
Read 2 more answers
The population is approximately 280,000 in 2006. The population grows at a rate of 7% per year. What was the population in 1990?
KonstantinChe [14]

Answer:

586,455 people

Step-by-step explanation:

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5 0
2 years ago
On a map, 9 cm represents 15 miles. If the distance between two cities on the map is 15 cm, how many miles separate the cities?
torisob [31]

Answer:

15 cm on the map is equal to 25 miles.

Step-by-step explanation:

Given that,

On a map, 9 cm represents 15 miles.

The distance between two cities is 15 cm. We need to find the distance in miles.

9 cm = 15 miles

1\ cm=\dfrac{15}{9}\ \miles

So, 15 cm is equal to,

15\ cm=\dfrac{15}{9}\times 15\ miles\\\\=25\ miles

So, 15 cm on the map is equal to 25 miles.

4 0
3 years ago
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