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Len [333]
3 years ago
8

You paint 1/3 of a wall in 1/4 of an hour. At that rate , how long will it take you to paint one wall

Mathematics
1 answer:
kolbaska11 [484]3 years ago
6 0

Answer:

3/4 of an hour (45 minutes)

Step-by-step explanation:

It takes 15 minutes to paint 1/3 of the wall. To paint the entire wall you would have to repeat that process 3 times, so you multiply the amount of time it took by 3.

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140 is 9% of what???
Len [333]

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The correct answer is B) 1555.6

Step-by-step explanation:

In order to find this, we must divide the part by the percentage. This will give us the total out of 100%

140/.09 = 1555.6

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2 years ago
Simplify 19 - 1.67 + (2.4)
natali 33 [55]
The answer is 19.73 because 19 minus 1.67 is 17.33 and 17.33 plus 2.4 is 19.73
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HELP PLS I NEED THIS DONE ASAP
Sholpan [36]

Answer:

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3 years ago
(Law of Sines)
Mariana [72]

Answer:

Option (D) is correct.

Step-by-step explanation:

In a triangle BCD , with b, c, d as the sides of triangle.

Sine rule states when we we divide side b by the sine of angle B then it is equal to side c divided by the sine of angle C and also equal to side d divided by the sine of angle D.

Using Sine rule,

\frac{b}{\sin B}=\frac{c}{\sin C}=\frac{d}{\sin D}

Consider the first and third ratio,

\frac{b}{\sin B}=\frac{d}{\sin D}

Substitute the values of d = 3 , b= 5 and ∠D=25°

\Rightarrow \frac{5}{\sin B}=\frac{3}{\sin 25^{\circ}}

\Rightarrow \sin B=\frac{\sin 25^{\circ} \times 5}{3}}  

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Thus, Measure of angle B is 45 and 135 as sinB is positive is first and 2nd quadrant.

Thus, option (D) is correct.


7 0
3 years ago
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Step-by-step explanation:

maybe a

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