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KatRina [158]
4 years ago
13

What is the complement of an 18 degree angle

Mathematics
1 answer:
svlad2 [7]4 years ago
6 0

Answer:

The complementary angle is 72

Step-by-step explanation:

Complementary angles add to 90 degrees

Let x be  the complementary angle

x+18 = 90

Subtract 18 from each side

x = 90-18

x = 72

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What is the volume of a regular pyramid whose base has an area of 36 ft? and whose height is 13 ft?
Lesechka [4]

Answer:

Volume of regular pyramid = 156 ft²

Step-by-step explanation:

Given:

Area of regular pyramid = 36 ft²

Height of regular pyramid = 13 ft

Find:

Volume of regular pyramid

Computation:

Volume of regular pyramid = [1/3][b][h]

Volume of regular pyramid = [1/3][36][13]

Volume of regular pyramid = [12][13]

Volume of regular pyramid = 156 ft²

4 0
3 years ago
Please help asap asap
Ivanshal [37]

Answer:

No, it's not because 6 x 4 = 24 and 2 x 3 = 6.

Step-by-step explanation:

In order for it to be equivalent, the simplified ratio needs to be multiplied by the same number, meaning because 6 x 4 = 24, the next number needs to be the product of 2 x 4, not 2 x 3.

3 0
3 years ago
Read 2 more answers
Find the midpoint of the line segment with end coordinates of: (−1,−6)and (4,5) Give coordinates as decimals where appropriate.
Arturiano [62]

Answer: The coordinates of the midpoint (1.5, -0.5)

Step-by-step explanation:

For the x-coordinate, find the difference between -1 and 4. That's 5. Take half of 5 and add to -1. So -1+2.5= 1.5

For the y-coordinate, the difference between -6 and 5 is 11. Half of 11 is 5.5. Add -6 + 5.5= 0.5

7 0
3 years ago
What is the value of X?
Aneli [31]

x = 80

the sum of the angles round a point is 360°

the 3 angles here must sum to 360°

3x + x - 27 + 67 = 360

4x + 40 = 360

subtract 40 from both sides.

4x = 360 - 40 = 320

divide both sides by 4

x = \frac{320}{4} = 80

thus the 3 angles are 67°, 240° and 53°


3 0
3 years ago
A 6 inch perosnal pizza has 570 calories with 240 o fthe from fat. a 16 inch pizza is cut into 8 slices. Estimate the number of
Diano4ka-milaya [45]

Answer:  

The number of calories is going to be pretty close to proportional to the area of the pizza.  Figure out the area of a 6-ince pizza, and then figure out the area of a 14-inch pizza.  Then you're going to get a proportion:

 

(Area of 14 inch pizza) is to (Area of 6 inch pizza) as (Number of calories in 14 inch pizza) is to (Number of calories in 6 inch pizza.

 

You know the areas of both sizes and the number of calories in the 6 inch pizza, so you should be able to find the number of calories in the 14 inch pizza.

 

Then divide by 8 to get the number of calories in each slice.        

 

8 0
3 years ago
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