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Firdavs [7]
3 years ago
7

An angle measures 124 more than the measure of its supplementary angle. What is the measure of each angle?

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
6 0

Answer:

<h3>               28° and 152°</h3>

Step-by-step explanation:

Suplementary angles add to 180°

If one of angles is 124° more than the other then if we subtract 124° from the larger angle we get two equal angles which sum is also 124° less

180° - 124° = 56°

56° - sum of two equal angles

56° ÷ 2 = 28°  - the measure of smaller angle

28° + 124° = 152° - the measure of larger angle

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I hope this helps you



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3 years ago
(x^2-2)^2-10(x^2-2)+21=0 find one value of x that is a solution to the equation
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Step-by-step explanation:

6 0
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The question is in the picture.
dangina [55]
<h2><u>Part A:</u></h2>

Let's denote no of seats in first row with r1 , second row with r2.....and so on.

r1=5

Since next row will have 10 additional row each time when we move to next row,

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<u>Using the terms r1,r2 and r3 , we can find explicit formula</u>

r1=5=5+0=5+0×10=5+(1-1)×10

r2=15=5+10=5+(2-1)×10

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<u>So for nth row,</u>

rn=5+(n-1)×10

Since 5=r1 and 10=common difference (d)

rn=r1+(n-1)d

Since 'a' is a convention term for 1st term,

<h3><u>⇒</u><u>rn=a+(n-1)d</u></h3>

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<h2><u>Part B:</u></h2>

Using above explicit formula, we can calculate no of seats in 7th row,

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Step-by-step explanation:

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