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masya89 [10]
3 years ago
15

Let U be the set of natural numbers, A be the set positive odd integers and B be the

Mathematics
1 answer:
alisha [4.7K]3 years ago
6 0

Answer:

Hope it helped u

Step-by-step explanation:

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Name the plane that contains points A, D, and E.
Verdich [7]

Answer:

Plane T

Step-by-step explanation:

The given points A, D, and E are shown as being on the plane T as follows

Point a lays on the boundary of the boundary between plane S and plane T

Points D and E are points on a line DE that is on the plane T

Therefore, given that the line DE and the point A all lay on the same plane T, the plane that contains points A, D, and E, is plane T.

6 0
3 years ago
If 30% of John's photographs were perfect, but 210 photographs were not perfect, then how many photographs were there in all?
anyanavicka [17]
If 30% were perfect, 70% were not perfect.  So we know that 70% of the total number of photographs is 210.

p(70/100)=210  multiply both sides by 100

70p=21000  divide both sides by 70

p=300

So there are 300 photographs in all.
3 0
3 years ago
The school office ordered 24 boxes of pens. Their total cost was $19152. What was the cost of 1 box of pens?
aleksley [76]

Answer:

one box costs $19152/24=$798

6 0
3 years ago
Elliott is standing at the top of a store escalator that leads to the ground floor below. the angle of depression from the top o
erma4kov [3.2K]

By using what we know about right triangles, we conclude that the height is 11ft.

<h3>How far is the top of the escalator from the ground floor? </h3>

We can think of this as a right triangle.

Where the length of the escalator is the hypotenuse

We know that the angle of depression is 42.51°, then the top angle of our right triangle is:

90° - 42.51° = 47.49°

Now, the height of the top of the escalator would be the adjacent cathetus to said angle, then we can use the relation:

cos(a) = (adjacent cathetus)/(hypotenuse)

Replacing what we know:

cos(47.49°)  = height/16ft

cos(47.49°) *16ft = height = 10.8ft

Rounding to the nearest foot, we get:

height = 11ft

If you want to learn more about right triangles:

brainly.com/question/2217700

#SPJ1

4 0
2 years ago
What fractions is not equivalent too 4/7
madreJ [45]
What are the options? 

3 0
3 years ago
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