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4 years ago

Find the measures of the supplementary angles of their measures are in ratio of 22:23

Mathematics

1 answer:

Sergeeva-Olga [200]4 years ago

8 0

Answer:

Measures of the supplementary angles = 88° and 92°

Explanation:

Two angles that add to 180 degrees is called as supplementary angles.

Angles are in the ration 22:23

So, we have

22a + 23a = 180

45 a = 180

a = 4

Angles are 22 x 4 = 88 ° and 23 x 4 = 92°

Measures of the supplementary angles = 88° and 92°

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Rachel is collecting donations for the local animal shelter. So far she has collected , which is of what she hopes to collect. H

Rudiy27

Answer:

The money Rachael plan to collect for the shelter is $345.

Step-by-step explanation:

There are some data missing in the question, so below is the complete question:

Rachel is collecting donations for the local animal shelter. So far she has collected $245, which is 70% of what she hopes to collect. How much money does Rachel plan to collect for the shelter?

Now, to find the money Rachael plan to collect for the shelter.

Let the total money Rachael plan to collect be $x.$

The amount far she has collected = $245.

Percentage of amount she hopes to collect = 70%.

Now, to get the total money Rachael plan to collect:

$70\%\ of\ x=245$

$\frac{70}{100} \times x=245$

$0.70x=245$

Dividing both sides by 0.70 we get:

$x=\$345.$

Therefore, the money Rachael plan to collect for the shelter is $345.

8 0

3 years ago

Pls help for this question! no wrong answers pls

ankoles [38]

Answer:

41.29 cm²

Step-by-step explanation:

From the question,

Area of the shaded portion = Area of the circle - area of the square.

A' = πr²-L²...… Equation 1

Where A' = Area of the shade portion, r = radius of the circle, L = length of the square, π = pie

Given: r = 4 cm, L = 3 cm

Constant: π = 22/7.

Substitute these values into equation 1

A' = [(22/7)×4²]-3²

A' = 50.29-9

A' = 41.29 cm²

Hence the area of the shaded portion is 41.29 cm²

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3 years ago

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Answer:

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Step-by-step explanation:

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professor190 [17]

Answer:

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3 years ago

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3 years ago