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1 year ago

43% of what number is 65

Mathematics

1 answer:

nataly862011 [7]1 year ago

3 0

Answer:

I believe the answer will be around 28

Step-by-step explanation:

Hope this Helped

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If I can paint 96 sq ft in 15 minutes how long does it take to paint 1 sq ft

White raven [17]

It takes 0.15625 minutes to paint 1 square feet

<em><u>Solution:</u></em>

Given that, I can paint 96 sq ft in 15 minutes

To find: Time taken to paint 1 square feet

From given,

96 square feet is painted in 15 minutes

Let "x" be the time taken to paint 1 square feet

Then, we can say,

96 square feet = 15 minutes

1 square feet = x minutes

This forms a proportion and we can solve the sum by cross multiplying

$96 \times x = 15 \times 1\\\\x = \frac{15}{96}\\\\x = 0.15625$

Thus it takes 0.15625 minutes to paint 1 square feet

8 0

2 years ago

This is pre calculus please help !Describe three ways to determine the measure of segment YZ.

Dmitry [639]

(1) Using trigonometric ratios:
$sin(30) = \frac{YZ}{50}$
$YZ = 25$

(2) Using Pythagoras' Theorem:
$cos(30) = \frac{XY}{50}$
$50cos(30) = XY$
$50^{2} - 50^{2}cos^{2}(30) = YZ^{2}$
$2500 - 2500cos^{2}(30) = YZ^{2}$
$YZ = 25$

(3) Using sine rule:
$\frac{50}{sin(90)} = \frac{YZ}{sin(30)}$
$50 = \frac{YZ}{sin(30)}$
$50sin(30) = YZ$
$YZ = 25$

7 0

2 years ago

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The radius of a circle is

KIM [24]

Answer:

43.98

Step-by-step explanation:

7 0

2 years ago

What is the problem of a number and negative 8

slega [8]

Answer:

Please be more clear and I might be able to help

Step-by-step explanation:

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2 years ago

50 students were asked what they did last night.

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

if they had watched tv or read a book it would've said so.

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2 years ago