1 year ago

Find square root of 0.0324

Mathematics

1 answer:

irina [24]1 year ago

6 0

Answer:

0.18

Step-by-step explanation:

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A new crew of painters can paint a small apartment in 12 hours. An experienced crew can paint the small apartment in 6 hours.

Varvara68 [4.7K]

The new crew works at the rate 1/12 apt/hr.
The old crew works at the rate 1/6 apt/hr.

Let x = hours required to paint the apartment when the two crews work together.

That is,
(1/12 + 1/6 apt/hr)*(x hr) = (1 apt)
(3/12)x = 1
(1/4)x = 1
x = 4 hours

Answer: 4 hours

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2 years ago

If $10,000 is invested at x percent simple annual interest for n years, which of the following represents the total amount of in

Ganezh [65]

Answer: C. $10000n\dfrac{x}{100}$

Step-by-step explanation:

Given : The principal amount : P=$10,000

Rate of interest (in percent ) : x

Time period : n years

The formula to calculate the simple interest is given by :-

$S.I.=\dfrac{P\times R\times T}{100}$

$\Rightarrow\ S.I.=\dfrac{10000\times x\times n}{100}$

it can also be written as $\Rightarrow\ S.I.=10000n\dfrac{x}{100}$

Hence, C is the right option.

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2 years ago

One can convert temperature from Fahrenheit into Newton using the formula N=11/60(F-32) . What is the temperature in Fahrenheit

notsponge [240]

N=11/60*(F-32). Multiply both sides by 60/11, so that 60/11*N=F-32. Add both sides by 32, F=60/11*N+32.

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1 year ago

A man is in a boat that is floating 175 feet from the base of a 200 foot cliff. What is the angle of depression between the clif

LUCKY_DIMON [66]

Answer:

The of depression between the cliff and the boat is 48.74 degrees.

Step-by-step explanation:

We have,

Height of the cliff is 200 foot

Distance of boat from the cliff is 175 feet

It is required to find the angle of depression between the cliff and the boat.

Here, 200 foot is perpendicular distance and 175 is base.

Using trigonometry :

$\tan\theta=\dfrac{P}{B}\\\\\tan\theta=\dfrac{200}{175}\\\\\theta=\tan^{-1}(1.14)\\\\\theta=48.74^{\circ}$

So, the of depression between the cliff and the boat is 48.74 degrees.

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1 year ago

Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive i

Ierofanga [76]

1 feet is 12 inches so 40 feets is 480 inches
Real locomotive is 480/16=30 times wider then the model
And then a window on the real locomotive is 30 times wider then the model.

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2 years ago