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3 years ago

6. Name the polygon. Write whether it is regular or not regular

Mathematics

1 answer:

slamgirl [31]3 years ago

7 0

Answer:

this shape is a pentagon. this is a regular shape because all the sides are even and all the angles on the inside are also even.

Step-by-step explanation:

pls mark brainliest!

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There are two connected gears. One has 60 teeth and it makes 50 complete revolutions in a minute. How many complete revolutions

VikaD [51]

60/40 *50 = 75

75 revolutions

8 0

2 years ago

HELP ME SOLVE THIS ASAP

vampirchik [111]

Answer:

∠B = 60°

a = 4.0 units

b = 6.9 units

Step-by-step explanation:

The triangle is right angled. The sum of all angles of a triangle is equal to 180 degrees.

The 3 angles are 90, 30 , ∠B .

Thus, B = 180 - 120 = 60 degrees

by trigonometry,

sin(30) = $\frac{a}{8}$ = 0.5

a = (8)(0.5) = 4 units

Also,

cos(30) = $\frac{b}{8}$ = 0.866

b = (8)(0.866)= 6.928

3 0

3 years ago

Which vehicle should I buy to get the best gas mileage (the most miles for each gallon of gas)?

Ronch [10]

Answer:

vehicle c

Step-by-step explanation:

vehicle d is at 180 with 6 gallons and vehicle c is at 120 with 2 gallons. kinda common sense

5 0

3 years ago

from a window 24 feet above the ground, the angle of elevation to the top of another building is 38 degrees. The distance betwee

Snowcat [4.5K]

Answer:

The height of the building is $73.2\ ft$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

In the right triangle ABC

$tan(38\°)=\frac{BC}{AB}$

we have

$AB=63\ ft$

substitute and solve for BC

$tan(38\°)=\frac{BC}{63}$

$BC=(63)tan(38\°)=49.2\ ft$

Find the height of the building

The height of the building (h) is equal to

$h=BC+24=49.2+24=73.2\ ft$

8 0

3 years ago

1/2 divided by n = 1/8

Leto [7]

1/2 divide by 4/1 = 1/8
when u divide u flip the second fraction around and multiply
1/2 x 1/4 = 1/8

3 0

3 years ago