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alex41 [277]
4 years ago
13

The square rootof which number is rational a7. b 1.96. c. 0.04. d. 13​

Mathematics
2 answers:
PSYCHO15rus [73]4 years ago
8 0

Answer:

B and C

Step-by-step explanation:

7 = 7

1.96 = \frac{196}{100}

0.04 = \frac{4}{100}

13 = 13

artcher [175]4 years ago
3 0

Answer:

B and C

Step-by-step explanation:

We need to find which one of these numbers is a perfect square. We know 7 and 13 can be eliminated since they're prime numbers so they can't be perfect squares. B and C are both perfect squares so that's the answer.

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lukranit [14]

Answer:

x = 14

Step-by-step explanation:

x- 9 = 5

Note the equal sign, what you do to one side, you do to the other. Isolate the variable, x. Add 9 to both sides of the equation:

x - 9 (+9) = 5 (+9)

x = 5 + 9

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x = 14 is your answer.

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Find the altitude of a cylinder with with a radius of 9 and a surface area of approximately 791.68 units2.
Vika [28.1K]

In this question , it is given that we have a cylinder with with a radius of 9 and a surface area of approximately 791.68 units square.

The formula of surface area of cylinder is

A= 2 \pi r^2 + 2 \pi r h

Substituting the values of A and r, we will get

791.68 = 2* \pi * 9^2  + 2 * \pi * 9*h
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4 0
3 years ago
Find the rate of change on the table
Aneli [31]

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Step-by-step explanation:

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3 years ago
What is the surface area of the cylinder shown below? Use 3.14 for π. A. 660 cm2 B. 863 cm2 C. 353.25 cm2 D. 785 cm2
lesantik [10]

Answer:

602.88cm²

Step-by-step explanation:

Find the image of the cylinder attached

Surface area of a cylinder = A=2πrh+2πr²

r is the radius = 4cm

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Substitute

A = 2πr(r+h)

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A = 192π

A = 192(3.14)

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3 years ago
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