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3 years ago

2/5, 1/8 common denominator 3/4, 1/2 common denominator 2/3, 1/6 common denominator

Mathematics

1 answer:

aniked [119]3 years ago

5 0

1st one is 40
2nd is 4
3rd is 12

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What is the discriminant of the polynomial below 9x^2-18x+9?

harkovskaia [24]

(3x-3 )(3x-3 ) is answee

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3 years ago

What is the number of sides of a regular polygon if each interior angle measures 160°?

Temka [501]

Answer:

Step-by-step explanation:

180-160 = 20 which equals the exterior angle

the sum of exterior angles is 360 so 360/20 = the number of sides as there is an exterior angle for every side

360/20 = 18

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3 years ago

What is m∠D? Enter your answer in the box.

Alex73 [517]

Answer:

D = 32

Step-by-step explanation:

A+ B + E = 180 since they form a triangle

14+ 45 + E = 180

E = 180 -14-45

E =121

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3 years ago

Two congruent squares and a parallelogram were used to form the figure shown. 3 meters, 6 meters, 2.8 meters, 3 meters What is t

elixir [45]

The area of a figure is the amount of space the figure occupies

The surface area of the figure is 34.8 square meters

<h3>How to determine the area of the shape</h3>

From the question, we have:

The dimensions of the congruent squares are 3 m by 3 m
The dimensions of the parallelogram are height of 2.8 m, and base of 6 m

So, the area of the figure is:

Area = 2 * Area of square + Area of parallelogram

This gives

$Area = 2 * (3m * 3m) + 2.8m * 6m$

Evaluate the products

$Area = 18m^2 + 16.8m^2$

Evaluate the sum

$Area = 34.8m^2$

Hence, the surface area of the figure is 34.8 square meters