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NNADVOKAT [17]
3 years ago
11

Find the area of a square whose side in 7 inches (remeber A=b×h)

Mathematics
2 answers:
viva [34]3 years ago
7 0
The area is 14. your welcome
Y_Kistochka [10]3 years ago
3 0

A square's sides are all equal. The area of a square is length times width, or side sqaured. 7*7 equals 49 inches squared.

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Find the perimeter and area of a rectangle of cardboard measuring 15.9 cm by 11.7cm
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The area is 186.03. lw = 15.9(11.7) = 186.03
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Figure B is a scale image of Figure A, as shown.
galina1969 [7]

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3 years ago
Solve for k:<br> k over 6.12 = 8.7<br><br> 1. k = 53.244<br> 2. k = 1.42<br> 3. k = 2.58
brilliants [131]

Answer:

1. k=53.244 or k=13311/250

5 0
2 years ago
A driver intends to complete 2 laps on a track that is exactly 1 mile around at an average speed of 60 mph. He gets off to a slo
andrey2020 [161]

Answer:

Goal is not achievable

Step-by-step explanation:

There are Two laps and the total distance here is 2miles. Now, it is said that he hopes to travel at a speed of 60mph, thus the total time that it would take him to complete the 2 miles distance race is 2/60 = 1/30 hours. Thus if he travels at a constant speed of 60mph he would finish the race at 1/30hours.

This means he will take a time of 1/60 hours per lap.

Now, he travels 30mph to complete 1 mile, the time taken for this is 1/30h

We now need to know the speed he travels on the second lap.

Average speed = Total distance/Total time

60mph = 2/( 1/30 + T2)

60 = 2/( (1 + 30T2)/30)

60 = 2 divided by (1 + 30T2)/30

60 = 2 * (30)/1 + 30T2

60( 1 + 30T2) = 60

1 + 30T2 = 1

30T2 = 0

T2 = 0

This means that he cannot achieve his goal again as he had taken the time meant for the whole race in a single lap.

4 0
3 years ago
Please help me due today and i really need help brainliest goes to the person who answers correctly and first this is really har
Andrei [34K]
1). the submarine is descending 100 feet per minute. this is because the line decreases 100 on the y axis when the x axis increases by 1.
2). the submarine is descending 50 feet per minute. this is because the line decreases 50 on the y axis when the x axis increases by 1.
3). y=15x this is because the slope increases by 15 on the y axis when 1 is increased on the x axis. the y intercept is 0. this means that every hour of piano lessons they get paid $15.

I hope this helps, and hopefully I’m right :)
6 0
3 years ago
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