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lakkis [162]
3 years ago
10

HELPPP! true or false and explain pls!!

Mathematics
1 answer:
larisa [96]3 years ago
4 0
22.) True, quadrilaterals are essentially 4-sided figures
24.)True, as long as diagonals are orthogonal
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alisha [4.7K]
What do you mean I’m confused
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3 years ago
F(x) = –22 – 9x + 20<br> Find f(9)
Nikolay [14]

Answer: -83

Step-by-step explanation:

f(9)--22+20-9*(9)=-2-81=-83

8 0
2 years ago
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The expanded form 900,000 + 40,000 + 300 + 1 represents the whole number.
AleksandrR [38]
900,000+40,000+300+1= 940,301.. The answer is D.)
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3 years ago
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He measure of one angle of an octagon is twice that of the other seven angles. what is the measure of each angle? answer: ,
Scrat [10]
Answer:
measure of larger angle = 240 degrees
measure of each of the smaller angles = 120 degrees

Explanation:
In any polygon, the sum of measures of interior angles can be calculated using the following rule:
sum of interior angles = (n-2)*180 where n is the number of sides

Now, for an octagon, n=8, this means that:
sum of measures of interior angles = (8-2)*180 = 1080°

An octagon has 8 interior angles, one of which is twice the measure of the others.
Assume that each of the 7 smaller angles is x degrees and that the larger angle is 2x degrees

Computing their summation, we will find that:
x + x + x + x + x + x + x + 2x = 1080
9x = 1080
x = 120

This means that:
each one of the smaller angles = x = 120 degrees
the larger angle = 2x = 2 * 120 = 240 degrees

Hope this helps :)
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3 years ago
Dos anybody what to talk
Lapatulllka [165]

Answer:

sure

Step-by-step explanation:

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