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Mariulka [41]
2 years ago
8

What is the surface area of the right cylinder pictured below with

Mathematics
1 answer:
Aloiza [94]2 years ago
8 0

Answer:

B is the correct answer

Step-by-step explanation:

250 cm2

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At a certain time of day, a tree that is x meters tall casts a shadow that is x−46x−46 meters long. if the distance from the top
Alexus [3.1K]
By the Pythagorean theorem,
.. x^2 +(x -46)^2 = (x +4)^2
.. 2x^2 -92x +2116 = x^2 +8x +16
.. x^2 -100x +2100 = 0
.. (x -50)^2 -400 = 0
.. x = 50 ±20 . . . . . only x=70 makes any sense in the problem

The height, x, of the tree is 70 meters.
5 0
3 years ago
Starting at noon, the temperature dropped steadily at a rate of 0.08 degrees Celsius every hour.
dangina [55]

Answer:

a. 55 hours

b. 1.9 degrees C

Step-by-step explanation:

This means for each hour the temperature drops 0.08. This is the expression 0.08x where x is number of hours.

a.) If the temperature has dropped 4.4, then 4.4 = 0.08x. Solving for x will give the number of hours it takes to drop 4.4.

4.4 = 0.08x

4.4 / 0.08 = x

55 = x

b.) If the temperature after 55 hours and dropping 4.4 is -2.5, then the temperature at the start would be -2.5 + 4.4 = 1.9. The temperature at noon was 1.9 degrees celsius.

6 0
2 years ago
An employee worked 160.5 hours in May, 160.4 hours in May, 165.75 hours in June and 152.25 hours in July.
Fudgin [204]
486.65 is the answer to the question
3 0
2 years ago
Determine the value of the variable in the simplified expressions. What is the value of x in this simplified expression? x = Wha
arsen [322]

Answer:x=7 y=5

Step-by-step explanation:

I just took it, sorry I'm not good at math and just guessed until I got it right for this answer.

8 0
3 years ago
Suresh has 4 coupon books, each with 6 coupons. He keeps 13 of the coupons and gives the rest away. Fifty percent of those he ke
Dafna11 [192]

Answer:

the answer is 6.5

Step-by-step explanation:

4x6=24 24-13=11    so Suresh gave 11 coupons away

13 divided by 2 = 6.5

6 0
2 years ago
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