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IgorLugansk [536]
3 years ago
11

Help ineed to find this.

Mathematics
2 answers:
omeli [17]3 years ago
5 0
She saved up a total of $82.60, and had to spend a total of $60.90, so she would have $21.70 left and need to save up another $180.40, hope this helps
myrzilka [38]3 years ago
3 0
Take all Sara's money that she saved and add it together. Then minus 20.20 and 40.70 from Sara's saved money. With the rest of the Sara's money you have to subtract it from 130.10.
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So,

Normally a unit rate will be x per 1y.  Example: 60 miles/1hr.

Therefore, the option with the denominator as 1 would be the unit rate.

The correct option is C.
4 0
3 years ago
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Four added to 3 times a number is 25
lukranit [14]

The answer is 13. To solve this you have to do 4*3 which is 12. Then you subtract 25 and 12 to get an answer of 13.

4 0
3 years ago
A square piece of paper has an area of x2 square units. A
Dmitry_Shevchenko [17]

Answer:

Length of rectangular strip = 12

area of rectangular strip =   2*12 = 24

Area of square =  x^2 = 12^2 = 144

Step-by-step explanation:

Area of square x^2

area of rectangle is given by length * width

Length of rectangular strip = x

width of rectangular strip = 2

area of rectangular strip =  length * width = 2*x = 2x

Area of square piece of paper when  rectangular strip is taken away from it

= Area of square - area of rectangular strip

= x^2 -2x

It is given that Area of square piece of paper when  rectangular strip is taken away from it is 120 square units.

Thus,

x^2 -2x = 120\\=> x^2 -2x -120 = 0\\=> x^2 -12x +10x-120\\=> x(x-12) +10(x-12)\\=> (x+10)(x-12) = 0\\\\

Thus,

either x+10 = 0 or x -12= 0

x = -10 or x = 12

but length cannot  be negative hence neglecting x = -10

hence value of x is 12.

Hence,

Length of rectangular strip = 12

area of rectangular strip =   2*12 = 24

Area of square =  x^2 = 12^2 = 144

5 0
3 years ago
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36/7+4
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3 years ago
How many ways can the numbers 1-100 be arranged
ra1l [238]

Answer: 5 times

Step-by-step explanation:

6 0
2 years ago
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