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pychu [463]
3 years ago
12

What is the area of this trapozoid. .... You dont times everything together.

Mathematics
2 answers:
julsineya [31]3 years ago
8 0

Answer:

The answer is 24

Step-by-step explanation:

Because you add all of the numbers up and you get 24.

Alex787 [66]3 years ago
8 0

Answer:

A = 30in^2

Step-by-step explanation:

The formula for finding the area of a trapezoid is: A = \frac{a+b}{2} h

a would be 5 (b_2)

b would be 10 (b)

h = 4 in

A=\frac{5+10}{2} 4

Solve:

5 + 10 = 15

\frac{15}{2} = 7.5

7.5 * 4 = 30

A = 30in^2

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A bag contains 5 red marbles, 7 blue marbles and 2 green marbles. If two marbles are drawn out of the bag, what is the probabili
user100 [1]
Answer:
0.218

Step-by-step explanation:
Probability is the likelihood or chance that an event will occur.
Probability = Expected outcome of event/ Total outcome
If a bag contains 3 red marbles, 7 blue marbles and 5 green marbles, the total number of marbles in the bag will be the total outcome i.e 3+7+5 = 15
If two blue marbles are drawn, the expected outcome in both cases is 7 since there are 7 blue marbles in the bag.
Probability of drawing the first blue marble = 7/15
Probability of drawing the second blue marble = 7/15
Probability that both marbles drawn will be blue = 7/15*7/15
= 49/225
= 0.218 (to nearest 1000th)
4 0
3 years ago
Can someone explain thermal energy in ur own words pls, pls help will give brainliest.
Morgarella [4.7K]

Answer:

Thermal energy refers to several distinct physical concepts, such as the internal energy of a system; heat or sensible heat, which are defined as types of energy transfer; or for the characteristic energy of a degree of freedom in a thermal system kT, where T is temperature and k is the Boltzmann constant.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
If the exterior angle of a regular polygon is 7.2 degrees, what is the name of that polygon?
kirill [66]

A regular polygon with exterior angle of 7.2 degrees is a 50-gon.

<h3>Regular polygon</h3>

Regular polygon are polygon that are equiangular. This simply means they are polygon with equal angles.

The formula to find the number of sides of a polygon using exterior angle is as follows:

  • exterior angle = 360 / n

where

n = number of sides

Therefore,

7.2 = 360 / n

cross multiply

7.2n = 360

divide both sides by 7.2

n = 360 / 7.2

n = 50

The polygon has 50 sides. Therefore, it is a 50-gon

learn more on polygon here: brainly.com/question/12105506

8 0
2 years ago
12 feet wide and 20 feet from one corner to the opposite corner how long is the storage unit?
AlekseyPX

Answer:

12x2 20x2 =40+24=64

Step-by-step explanation:

3 0
3 years ago
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Box A has a volume of 12 cubic meters. Box B is similar to box A. To create Box B, Box A's dimensions were multiplied by five. W
postnew [5]
Volume of B is 125×12=1500
4 0
3 years ago
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