MATHEMATICS COLLEGE

If you know if try to answer its fine if you cant

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Answer 1

Answer:

Answer:

1/8

Step-by-step explanation:

Answer 2

Answer: The answer is d 1/8..hope it helps

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Convert 51.7% to a fraction in simplest form and a decimal.

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0.517 as a decimal 517/10 as a fraction

I need help ASAP !!!

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Answer:

x = 7.5

Step-by-step explanation:

take 20 degree as reference angle

using cos rule

cos 20 = adjacent / hypotenuse

0.93 = 7/x

x = 7/0.93

x = 7.5

A floor plan is drawn using a scale of (3 cm)/(15ft) What length is represented by 1 centimeter ?

Answers

Answer:

5 feet per 1 cm

Step-by-step explanation:

Answer:

The answer is 5 feet.

Step-by-step explanation:

Set up a proportion.

3/15 = 1/x (x being the number of feet)

Cross multiply.

3x = 15

Solve for x. (divide both sides by 3)

x = 5

I hope this helps! :)

Each side of a square is increasing at a rate of 4 cm/s. At what rate (in cm2/s) is the area of the square increasing when the area of the square is 25 cm2

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Answer:

The area of the square is increasing at a rate of 40 square centimeters per second.

Step-by-step explanation:

The area of the square ( $A$ ), in square centimeters, is represented by the following function:

$A = l^(2)$ (1)

Where $l$ is the side length, in centimeters.

Then, we derive (1) in time to calculate the rate of change of the area of the square ( $(dA)/(dt)$ ), in square centimeters per second:

$(dA)/(dt) = 2\cdot l \cdot (dl)/(dt)$

$(dA)/(dt) = 2\cdot √(A)\cdot (dl)/(dt)$ (2)

Where $(dl)/(dt)$ is the rate of change of the side length, in centimeters per second.

If we know that $A = 25\,cm^(2)$ and $(dl)/(dt) = 4\,(cm)/(s)$ , then the rate of change of the area of the square is:

$(dA)/(dt) = 2\cdot \sqrt{25\,cm^(2)}\cdot \left(4\,(cm)/(s) \right)$

$(dA)/(dt) = 40\,(cm^(2))/(s)$

The area of the square is increasing at a rate of 40 square centimeters per second.

Write an algebraic expression to represent the phrase below.a number n decreased by 5
please help

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Answer

5-n

Step-by-step explanation:

For every 2 hours in the office, a worker can send 19 emails. If they worked a full 8-hour day, how many emails could be sent?

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Answer: 76

Step-by-step explanation: 19*8/2

If you know if try to answer its fine if you cant​

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If you know if try to answer its fine if you cant