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Ne4ueva [31]
3 years ago
5

How many faces does a cone, cube, square pyramid , and triangular pyramid have

Mathematics
2 answers:
Vikki [24]3 years ago
7 0
Cone : 1
cube:6
Square pyramid:5
Triangular pyramid:4
AlexFokin [52]3 years ago
3 0
Cone = 1
Cube = 6
Square Pyramid = 5
Triangle Pyramid = 4
Happy to Help!
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What is 4sqrt7^3 in exponential form?
katrin [286]

Answer:

\boxed{7^{\frac{3}{2} } \times 4}

Step-by-step explanation:

4 (\sqrt{7} )^3

Square root can be written as a power.

4(7^{\frac{1}{2} })^3

Multiply the exponents.

4(7^{\frac{3}{2} })

7 0
2 years ago
Find the area of the shaded region.
Citrus2011 [14]

Answer:

pi × 18cm^2

Or approximately,

56.52cm^2 (using 3.14 for pi)

or

56.5487cm^2 (using pi button on calculator)

Step-by-step explanation:

Area of a circle is pi times [radius squared].

All circles are 360°.

Problem can be solved by finding area of whole circle, and then using ratios.

Whole Circle: area = pi × (9cm)^2 = pi × 81cm^2

80° / 360° = Area[shaded] / (pi × 81cm^2)

pi × 18cm^2 = Area[shaded]

((If you read my answer before the edit, I am sorry. I made a calculator error.))

3 0
3 years ago
9.
Allushta [10]
Thanks for the helpful answers
5 0
2 years ago
Read 2 more answers
There where 12 children at a party.of those 12 children 3/4 of them had an apple.how many children had an apple?
jonny [76]

Answer:

12×<u>3</u>

4

= 9

there 9 children had ana apple

3 0
3 years ago
Read 2 more answers
Write in slope intercept form an equation of the line that passes through the given points. (-1,7) , (3,-1)
Tcecarenko [31]

Answer! :

y = -2x + 5

Step by Step! :

slope intercept form:

y = mx + b

m being slope, b being the y intercept.

To find the slope, use this equation:

y^2 - y^1 / x^2 - x^1

Plug in your points.

(-1) - (7) / (3) - (-1)

-8 / 4

-2 is your slope! (y = -2x + b)

To solve for b, plug in any one of your points and solve for b. Let's use (3, -1)

-1 = -2(3) + b

-1 = -6 + b

5 = b

Your new equation is...

y = -2x + 5

6 0
2 years ago
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