3 years ago

Which pair of slopes could represent perpendicular lines?

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

5 0

Answer:

1/2, 2/4

Step-by-step explanation:

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What is the answer to 2/3 ( c-18)= 7, please show the steps

Roman55 [17]

(2/3)*(c-18)=7 (Multiply terms on both sides of equation by 3)

2(c-18)=21

2c-36=21

2c=57

c=57/2

c=28.5

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4 years ago

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Find the indicated side of the right triangle. 45° 6 45° 1 x X = ?1

LenKa [72]

X is 6 because it’s a 45 45 90 triangle. X and Y are the same length and Y is whatever y is *square root of 2.

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3 years ago

5. You are getting a discount of 25% at a video

gtnhenbr [62]

Answer:

Step-by-step explanation:

60-25=45

8 0

3 years ago

own Everything's Coming Up Roses flower shop. Your employee makes 4 deliveries per hour. The distance between the shop and the f

erma4kov [3.2K]

The journey is broken down into five segment

Shop - first delivery = $12 \frac{1}{3}$ miles
First delivery - second delivery = $8 \frac{3}{4}$
Second delivery - third delivery = $17 \frac{2}{8}$
Third delivery - fourth delivery = $23 \frac{2}{3}$
Fourth delivery - shop = $10 \frac{5}{10}$

The average distance for each segment are:
$[12 \frac{1}{3}+8 \frac{3}{4}+17 \frac{2}{8}+23 \frac{2}{3}+10 \frac{5}{10} ]$ ÷ $5$

$\frac{145}{2}$ ÷5 = $\frac{29}{2}=14 \frac{1}{2}$

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4 years ago

A certain hexagonal prism has a volume of 160 cubic meters. Its base has a perimeter of 30 meters and an area of 64 square meter

never [62]

Given:
hexagonal prism:
volume = 160 cubic meters
base perimeter = 30 meters
base area = 64 sq. meters

hexagon has 6 sides.
30 meters / 6 = 5 meters

Base area of hexagonal prism = (3√3)/2 * a²
Volume of hexagonal prism = (3√3)/2 * a² * h

height of the prism = volume / base area = 160 cubic meters / 64 sq. meters = 2.5 meters

Base area = 64 sq. meters * 2 faces = 128 sq. meters.
sides = 5 meters * 2.5 meters = 12.5 meters * 6 sides = 75 sq. meters

Surface area = 128 sq. meters + 75. sq. meters = 203 sq. meters

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3 years ago