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Alexxx [7]
3 years ago
12

Help please I will make you as brainlist it’s emergency

Mathematics
2 answers:
NISA [10]3 years ago
5 0
The answer to this is D!!!!
iogann1982 [59]3 years ago
4 0

Answer:

D. Only 16 and 21

Step-by-step explanation:

Plug in 16 and 21 to replace the x and the answer will be bigger than 24.

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The sides of a square are 7 inches long. Enter the length of the diagonal of the square to the nearest tenth.
Readme [11.4K]

Answer:

9.9 inches

Step-by-step explanation:

Use the pythagorean Theorem

c^2 = a^2 + b^2

c^2 = 7^2 + 7^2

c^2 = 49 + 49

c^2 = 98

Take the square root of both sides

c = 9.8994949366

Rounded

c = 9.9 inches

5 0
3 years ago
alex needs to buy compressed air to fill 5 empty cylindrical tanks for his store. each tank is 12 feet deep and has a radius of
Yanka [14]
Volume of a cylinder = the area of the base x height of the cylinder
Area of base = \pir^2
A = 6^2(\pi)
A = 36\pi
V = 36\pi x 12
V = 432\pi

5 cylinders = 5V

5V = 5 x (432\pi)
5V = 2160\pi

Final answer: Alex needs to buy 2160\pi or 6785.84 cubic feet worth of compressed air to fill all of the cylindrical tanks.
4 0
4 years ago
How many gallons of fuel costing $1.15 a gallon must be mixed with a fuel costing $0.85 per gallon to get 40
11Alexandr11 [23.1K]

Answer:

multiply 0.85x40

Step-by-step explanation:

4 0
3 years ago
A box of modeling clay with a mass of 4.5 kg is divided equally among 9 students. How many grams does each student get?
sveta [45]

Answer:

500 grams

Step-by-step explanation:

4.5 kg = 4500 grams

4500/9 = 500 grams

each of the 9 students get 500 grams of clay

5 0
3 years ago
Brainliest for correct! y varies inversely with x.
Artist 52 [7]

Answer:

i need help to

Step-by-step explanation:

lol

6 0
3 years ago
Read 2 more answers
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