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stich3 [128]
4 years ago
6

How do you solve 9x - 7x = 2x and how many solutions does it have for x?

Mathematics
1 answer:
svet-max [94.6K]4 years ago
8 0

Answer:

x can be any integer

Step-by-step explanation:

Just do it. Hope I helped you! :)))

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While on vacation a group can rent bicycles and scooters by the week. they get a reduced rate if they rent 5 bicycles for every
vesna_86 [32]
Bike~ $77.50
Scooter~ $320.00
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20 bicycles and 3 scooters
7 0
3 years ago
Two fractions are given. For each one, write its decimal equivalent and determine if the decimal is terminating or non terminati
ziro4ka [17]

Answer:

9/20 yes, 4/15 not. See below

Step-by-step explanation:

Pick 9/20 and multiply numerator and denominator by 5:

9/20 = 45/100

We know that if we divide a number by 100 we need to move the coma as two places left, so:

9/20 = 45/100 = 0.45

And this is a terminal decimal as we know where it ends.

On the other hand if we pick 4/15 let try to divide it (here I will do it 'manually'):

4 |_ 15

we can divide 4 by 15, so we use 40 and begin with a comma

40 |_ 15

      0.

15 enters 2 times in 40 with a rest of 10, so:

40 |_ 15

  30  0.2

  100

100 divided by 15 is 6 and we have 10 as rest again, and again and again...

40 |_ 15

  30  0.266.....

  100

    100

      ....

So, we will have 0.266666666666666 infinitely. The decimal for 4/15 is non terminating and is 0.26666666666666666...

6 0
3 years ago
A shoe store donated a percent of every sale to hospitals. The total sales were $8900 so the store donated $356. What percent of
kolezko [41]

Answer:

4%

Step-by-step explanation:

Given data

The total sales= $8900

Donated amount=$356

Hence the percent donated is

=Donated amount/Total Sales *100

= 356/8900*100

=0.04*100

=4%

Hence the donated percent is 4%

3 0
3 years ago
I dont get it. I need help with a and b plz
ser-zykov [4K]
Subtract 120 every time but I don’t know the second one
7 0
3 years ago
Adrian has a square bedroom. The area of the room is 169 ft². How would you find the length of one side of his room?
myrzilka [38]
To find the length of one sides of the square, you must find the square root of the area. Therefore, your answer would be 13.
4 0
3 years ago
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