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andriy [413]
3 years ago
9

Five times a number is divided by 7 more than the number. If the result is 2, then what was the original number?

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
5 0

Answer:

14/3

Step-by-step explanation:

(5n)/(7+n) = 2

Multiply both sides by 7 + n:

(7 + n) x (5n)/(7 + n) = (7 + n) x 2

5n = 14 + 2n

3n = 14

Divide both sides by 3:

(3n)/3 = 14/3

n = 14/3

RoseWind [281]3 years ago
4 0

Answer:

-1

Step-by-step explanation:

the equation would be 5x+7=2.

so first you'll subtract from both sides so you'll do 2 from 7, whcih equals -5. then you'll divide 5 from each side. 5x÷5=x. -5÷5=-1. so the answer would be -1

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5. How many real number solutions does the equation have?
sukhopar [10]

Answer:

two solutions

Step-by-step explanation:

it's a square equations and has two answers

5 0
3 years ago
Suppose that an angle is bisected to form two smaller angles that measure (2+30)° and (8+6)° . What is the measure of the origin
Valentin [98]

M<A=(2+30)  M<B=(8+6)

(2+30)+(8+6)

32+14

46

M<A+B=46

Answer: The original angle measured 46 Degrees

6 0
3 years ago
What is the median of the following salary list $32,019, $21,971, $27,512, $43,702, $38,860, $25,997
mylen [45]

Answer:

$29765.50

Step-by-step explanation:

Median is the middlemost value (or the average of the 2 middlemost value if there are even number of values) in an ascending order.

First, arrange the salary list in an ascending order.

$21,971 , $25,997 , $27,512 , $32,019 , $38,860 , $43,702

As we can see here, there are even number of values (6), so the median will be the average of the 2 middlemost value, which will be:

Median = \frac{27512 + 32019}{2}

= \frac{59531}{2}

= $29765.50

3 0
2 years ago
Read 2 more answers
Carissa earns $450 per week for a 40 hour work week plus $16.83 per hour for each hour of overtime after 40 hours. Write an equa
gavmur [86]

Answer:

W = 450 + 16.83V

Step-by-step explanation:

For 40 hours Carissa

earning = $450

earning for 1 hour of over time = $16.83

multiplying both side by V

earning for v hour of over time = $16.83*V = $16.83V

weekly wage(W) = earning for 40 hours + earning for V hour of over time

W = 450 + 16.83V

Thus equation will be as given below for weekly earning

8 0
3 years ago
Lena has an envelope that is 3 inches tall. The envelope is 3 9/10 times as long as it is tall. How long is her envelope?
Kaylis [27]

Answer:

11.7 Inches

Step-by-step explanation:

9/10 is 0.9, so 3+0.9= 3.9

3.9 x 3 is 11.7 inches, or you can round it to 12 inches or a foot.

8 0
3 years ago
Read 2 more answers
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