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marysya [2.9K]
3 years ago
7

Show your work! I really need the answer with the work!

Mathematics
1 answer:
anzhelika [568]3 years ago
3 0
The surface area is 216 cm sq.

Square base formula: length * width

One square base is 70 cm sq (7*10), another is 56 cm sq (7*8), and the final base is 42 cm sq (7*6). 

The height of both triangular faces is 4.8 cm

The two triangular faces are 24 cm sq each, 48 cm sq when added together.

Add all 5 numbers up to get 216.
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In a class of 50 students, the number of students who offer Accounting is twice as the number who offer Economics. 10 students o
liraira [26]

Answer:2 5 student offeres accounting 3 1 offer from economics  and i don't know the rest  

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
rene charges $2.25 for gasoline plus $8.50 per hour for mowing lawns what is x the number of hours he has to mow lawns to earn t
Black_prince [1.1K]
2.25 + 8.50x = 50

8.50x = 50 - 2.25

8.50x = 47.75
——— ———
8.50. 8.50

x = 5.6 hours

Hope that helps :)
4 0
4 years ago
A ball dropped from the top of a building can be modeled by the function
timama [110]

A ball dropped from the top of the building can be modeled by the function f(t)=-16t^2 + 36 , where t represents time in seconds after the ball was dropped. A bee's flight can be modeled by the function, g(t)=3t+4, where t represents time in seconds after the bee starts the flight.

4 0
3 years ago
Maria is training for a triathlon. Yesterday, she rode her bike for eight and two-thirds miles in two-thirds of an hour. If Mari
sesenic [268]
(8 2/3) / (2/3) = x / 1....8 2/3 miles to 2/3 hr = x miles to 1 hr
cross multiply
(2/3)(x) = (8 2/3)(1)
2/3x = 26/3
x = 26/3 * 3/2
x = 26/2...which equals 13....she will ride 13 miles in 1 hr
5 0
3 years ago
Read 2 more answers
Justin invested $7,300 in an account paying an interest rate of 1.5% compounded
lana [24]

Answer: 10.7 years.

Step-by-step explanation:

7,300 * (1 + 0.015)^x = 8,560 <=>

7,300 * 1.015^x = 8,560 <=>

1.015^x = 8,560 / 7,300 <=>

1.015^x = 1.1726 <=>

x = 10.694

To the nearest tenth:

x = 10.7 years

8 0
3 years ago
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