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masha68 [24]
2 years ago
6

Marisol drove 3 hours from City A to City B. The equation below estimates the distance d, in

Mathematics
1 answer:
Dima020 [189]2 years ago
6 0

Answer:

Step-by-step explanation:

D*RT

D=45*3

D=135

Marisol drove 135 MI.

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Jane solved an equation and got a solution of X=3. The teacher then asked what the value of 6X would be. Which of the answer is
weeeeeb [17]

If the solution of x is 3, then the solution of 6x would be 18, because 3*6=18. :)

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3 years ago
110% of 90 is what number a?
Rudik [331]
Well 1 percent is 0.9, so an easy way to work it out:
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A given rectangle has an area of 20 ft.² what is the length for various widths
ruslelena [56]
The area of a rectangle is calculated as length times its width. So, for the given area above, the expression should b written as:

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3 years ago
The two pyramids are similar. Find the volume of the smaller pyramid. Round your answer to the nearest hundredth.
mihalych1998 [28]

Answer:

A) 5.12mm³

Step-by-step explanation:

Step 1

Find the volume of the bigger pyramid

This is a triangular based pyramid.

The formula to use is given as Volume of Pyramid =

1/3 × Area of the triangle × Height

Area of the triangle = 1/2 × 3 mm × 4mm = 6mm²

Volume of the large pyramid = 1/3 × 6mm² × 5mm

= 10mm³

We are given the length of the small pyramid as 4mm

We would be using was is known as scale factor to find the volume of the small pyramid

The scale factor k = (Height of the small pyramid)³/ (Height of the Large pyramid)³

k = 4³/5³

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Volume of small pyramid = X

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Hence,

4³/5³ = X/10

Cross Multiply

= 4³ × 10 = 5³ × X

X = (4³ × 10)/ 5³

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5 0
3 years ago
Do supplementary angles always form a straight line
nasty-shy [4]

Answer:

Yes

Step-by-step explanation:

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