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Evgesh-ka [11]
3 years ago
7

There are 3 questions and they are on each picture, I don't understand these so please help!

Mathematics
1 answer:
Lilit [14]3 years ago
8 0
2A. Answer is 42.7. C squared minus B squared equals A squared. C^2 - B^2 = A^2. 48^2 - 22^2 = 42.66^2.
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Square root of 180 in radical form
slega [8]
6 √ 5


Simplify down and come to 6 √ 5
6 0
3 years ago
Will give brainliest to the correct answer.
Iteru [2.4K]

The answer is B. I think. Hope that helps!

4 0
3 years ago
HELPPPP PLZZZZ!!!!!!!!!!!
Zielflug [23.3K]

Answer:

1 hour=$9.30

5 hours=46.50

8 hours=$74.40

11 hours=$102.30

6 1/2 hours=$60.45

B)$20

Step-by-step explanation:

Multiply each hour by $9.30.

Divide $186 by $9.30

3 0
3 years ago
How many x-intercepts does the graph of y = 4x2 + 5x + 2 have?
boyakko [2]

Answer:

Step-by-step explanation:

hello : y= 4x² + 5x + 2

the x-intercepts  when y=0  means : 4x² + 5x + 2=0

a=4   b= 5   c=2

∆ = b²- 4ac     ∆ = (5)²- 4(4)(2) =25-32 = -7

∆ < 0 no reals solutions no  x-intercepts  

3 0
3 years ago
An icicle is in the shape of an inverted cone with a diameter of 14 mm and a height of 60 mm. How much-frozen water is in the ic
cupoosta [38]

Answer:

Amount of water =  3077.2 mm^3.

Step-by-step explanation:

The radius = 1/2 diameter = 1/2 * 14 = 7.

The amount of ice in the cone = it's volume.

The volume of the cone = 1/3 3.14 r^2 h

= 1/3 * 3.14 * 7^2 * 60

= 3077.2 mm^3.

7 0
4 years ago
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