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2 years ago

During a period of 30 working days, Deborah was late 80% of the time. How many days was she late?

1 answer:

8 0

Fairly straightforward question. She works 30 days and is late 80% or 0.8
We can model our equation
Num days late = late percentage * num working days
Basically fine portion of working days that she was late.

Num days late = 0.8 * 30=24

So Deborah was late 24 out of 30 working days. Would appreciate a brainliest

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What is the sum of the angle measures in a 26-gon?

nasty-shy [4]

The formula for finding the sum of the angle measure is...

(n-2) × 180<span>°
</span>
Since this has 26 sides....
(26-2)x180

24x180
The sum of the angle measures is 4,320 degrees

Please give me brainliest, a 5-rate, and a thanks!!

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3 years ago

Which phrase describes the variable expression y - 12

ahrayia [7]

Answer:

The number y decreased by 12.

Step-by-step explanation:

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3 years ago

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A base ball diamond is square.The distance from home plate to first base is 90 feet.what is the distance from home plate to seco

Elena-2011 [213]

Because it is square, the distance from home to first base is the same as first base to second base.

Home to First is one side of a right triangle, first to second is the second side of the right triangle and then home to second base would be the hypotenuse of a right triangle.

Using the Pythagorean Theorem we can solve for the hypotenuse:

Let C = the hypotenuse:

90^2 + 90^2 = c^2

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3 years ago

Calculate the value of x

Katena32 [7]

Answer:

22⁰

Step-by-step explanation:

By angle sum property :

x + 127 + 31 = 180⁰

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3 years ago

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In the above figure (not drawn to scale), Find ∠AEC.

n200080 [17]

Answer:

C. 75°

Step-by-step explanation:

We have been given a circle and we are asked to find the measure of angle AEC.

We will use Intersecting chords theorem to find the measure of angle AEC, which states that measure of angle formed inside a circle by two intersecting chords is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle.

We can see that measure of arc AC is 110 degrees and measure of its vertical arc BD is 40 degrees.

$m\angle AEC=\frac{110^o+40^o}{2}$

$m\angle AEC=\frac{150^o}{2}$

$m\angle AEC=75^o$

Therefore, measure of angle AEC is 75 degrees and option C is the correct choice.

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3 years ago

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