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VikaD [51]
3 years ago
13

I need help on questions 48 and 49.

Mathematics
1 answer:
xenn [34]3 years ago
8 0
48. A square's sides are equal, so we know that its area is a number multiplied by itself, or squared. To find the length of one side, you must take the square root of its area, 156.25, which is 12.5. To find the square's perimeter (how much fence we need to go around the garden) you must multiply that side by 4, to get 50. Antonine has 40 ft already, so he only needs 10 more ft, and each ft costs 4.97. Our final answer is 10*4.97, or $49.70. 

49. The square root of 12 is about 3.46, plus 2 is our answer, about 5.46 cm.
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Answer:

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Step-by-step explanation:

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Consider a game board that has 49 squares. You place 1 grain of wheat on the first square, 2 on the next, 4 on the next, 8 on th
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Answer:

2^0+2^1+2^2+...+2^49

Step-by-step explanation:

1=2^0

2=2^1

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2 years ago
Say that the economy is in a recession, which is causing the value of gold to fall by three percent. If you have gold reserves w
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2 years ago
On average, Jaimie can bike five times as fast as he can run. To travel 25 km, he needs 2 h more if he is running than if he is
monitta

Answer: Running speed is 10k/h

Biking speed is 50k/h

Step-by-step explanation:

My procedure may be unconventional, but it works:

Compute the time it takes, then translate to speed. 25k at biking speed takes 2 hours less than at running speed which is 1/5 bike speed.

Distance/speed = time  25/x=25/(5x-2)  cross multiply divisors

25(5x-2) = 25x  ==> 125x -50 =25x ==>  100x = 50  

x = 0.5 hours at biking speed   25k/0.5h = 50k/h  

Running speed = 50/5  10k/h

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6 0
3 years ago
Melissa was charged $3 each time she
Vika [28.1K]

Answer:

Therefore, Melissa will be charged $72 for busing work ATM 24 times in a month

Step-by-step explanation:

Melissa was charged $3 each time she used the ATM at work

She used the work ATM 24 times in a month.

Charge per usage= $3

Number of times of usage= 24

By how much did her bank account change from using the ATM at work

Total charges = charge per usage × Number of times of usage

= 3 × 24

= 72

Total charges = $72

Therefore, Melissa will be charged $72 for busing work ATM 24 times in a month

5 0
3 years ago
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