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Oxana [17]
3 years ago
8

ABCD is a quadrilateral. Work out the size of angle a.

Mathematics
2 answers:
Kay [80]3 years ago
7 0

Answer:

140 degrees

Step-by-step explanation:

Trava [24]3 years ago
5 0

Answer:

a

Step-by-step explanation:

a

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Find the area of the polygon:
Darya [45]

Answer:

Step-by-step explanation:

o find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.

8 0
3 years ago
suppose that a company claims that its boxes of breakfast cereal contain 15 ounces of cereal on average, with a standard deviati
olga nikolaevna [1]

Answer: 15 ounces


Step-by-step explanation:

It is given that a company claims the average cereal in boxes of breakfast cereal = 15 ounces

And we know that the mean amount is nothing but the average amount of any data.

Mean is synonym word of average .

The statistical mean is the mean or average that is used to find the central tendency of the data in any question.

Thus, the expected mean amount of cereal per box = 15 ounces.

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3 years ago
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lana [24]
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5 0
4 years ago
Eduardo biked 2.57 miles to the library and then 1 1/8 miles to a
sergey [27]

Answer:

3.5 miles

Step-by-step explanation:

We need to convert the fraction into decimal and add up both in decimal form and then make our estimate (closest to the exact answer).

1 and 1/8th means 1.SOMETHING

Dividing 1 by 8 would give us:

1/8 = 0.125

Hence, 1  1/8th = 1.125

Total miles = 2.57 + 1.125 = 3.695

THis is closes to 3.5 miles. THis is the answer.

6 0
3 years ago
GIVING EXTRA POINTS PLS HELP
lisabon 2012 [21]

C is the correct answer.

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2 years ago
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