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AveGali [126]
3 years ago
9

Tara used 8 centimeters of tape to wrap 4 presents. How many presents did Tara wrap if she used 10 centimeters of tape?

Mathematics
1 answer:
Akimi4 [234]3 years ago
7 0

Answer:

She wrapped 5 presents

Step-by-step explanation:

She used 2cm to wrap each present

8cm = 4x

x is the amount of presents

divide by 4

x= 2 cm

Given 10 cm, divide by 2 to determine amount of x, or presents

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Jessica earns 800 each month working a part time job. she wants to save a total of 2,400 for collage over a one- year period. wh
grigory [225]

Answer:

25%

Step-by-step explanation:

Given parameters:

Amount earned by Jessica per month = 800

Total savings target per year  = 2400

Unknown:

Percentage of savings = ?

Solution:

The total earning per year will be the amount earned per month multiplied by the total number months;

 Amount earned in a year = 12 x 800  = 9600

Let the percentage of savings per year  = y%

  Now;

              2400 = \frac{y}{100} x 9600

                  y = 25%

8 0
3 years ago
What is the solution of the equation √2x-3-3=6?<br><br><br> A) 42 <br> B) 39<br> C) 3<br> D) 6
Firlakuza [10]

Answer:

42

Step-by-step explanation:

√2x-3-3=6

√2x-3=6+3

√2x-3=9

2x-3=9^2

2x=81+3

X=84/2

X=42

So value of X is 42

4 0
3 years ago
Last year a construction worker had a gross income $ 29,700, of the which he contributed 7% to his 401(k) plain. If he got paid
AlladinOne [14]

Divide the gross income by 12 to find his monthly pay:


29,700 / 12 =$2,475 per month.


Multiply his monthly pay by 7%:

2,475 x 0.07 = $173.25 into his 401(k) per month.


The answer is A.

8 0
3 years ago
What is the best estimate for the number of people in line at 7.A.M
Keith_Richards [23]

We have been given the equation

y=-5.131x^2+31.821x-3.333

It represents the number of people standing to catch a commuter train x hours after 5 A.M.

Now, in order to find the number of people in line at 7 a.m. , we need to substitute x= 2 in the above equation.

y(2)=-5.131(2)^2+31.821(2x)-3.333\\y(2)= 39.785 \approx 40

Therefore, the number of people in the line at 7 a.m. is 40

D id the correct option.

5 0
3 years ago
A refrigerator is sold at $ 10525 at a profit of $ 925. What was the Cost Price of the refrigerator?
LuckyWell [14K]
The price of the refrigerator was $9600
4 0
3 years ago
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