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3 years ago

Cones and pyramids both have only one base. A.)true B.)false

Mathematics

2 answers:

Tanzania [10]3 years ago

8 0

A.) True - Both cones and Pyramids have only one base

defon3 years ago

3 0

A-Cones and pyramids both have only one base

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(3,3) is the point in which the 2 lines intersect

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2 years ago

1) what is 1/5 times 1/2 ?

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1. 1/10
2. 3/5
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3 years ago

Solve the equation -2 = 3x/5 + 1

kirill [66]

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2 years ago

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2 years ago

Find the measure of arc DF (with an explanation of how to solve please!)

allochka39001 [22]

Answer:

mDF = 90°

(Assuming arc mCE is 5x + 10)

Step-by-step explanation:

When we have two chords crossing in a circle, there is a property where the angle in the cross point is equal half the sum of the corresponding arcs.

So in this case, we have:

70° = (mCE + mDF)/2

Assuming mCE is 5x + 10, we have:

70 = (5x + 10 + 11x + 2)/2

70 = (16x + 12)/2

70 = 8x + 6

8x = 64

x = 8

So the arc mDF is:

mDF = 11x + 2 = 11 * 8 + 2 = 90°

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2 years ago