4 years ago

Triangle ABC is similar to triangle DEF.

Mathematics

1 answer:

aleksandrvk [35]4 years ago

6 0

Answer:

C) 4/3 = DE/9

Step-by-step explanation:

I don't have much time to explain, so just trust me on this. :)

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A slug takes 4.25 minutes to travel 11.2 centimeters. What is the speed of the slug in meters per second?

MAXImum [283]

Answer:

$4.39*10^{-4}\ m/sec$

Step-by-step explanation:

Remember that

$1\ m=100\ cm$

$1\ min=60\ sec$

The speed is equal to divide the distance by the time

Convert the units

$4.25\ min=4.25(60)=255\ sec$

$11.2\ cm=11.2/100=0.112\ m$

$0.112/255=0.000439\ m/sec$

$4.39*10^{-4}\ m/sec$

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4 years ago

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

denpristay [2]

Answer: 4x² + 3x + 52

Step-by-step explanation:

1. rearrange & simplify terms:

(4x² - 4 + 6) + (3x - 7² + 1) . . .

(4x² + 2) + (3x + 49 + 1) . . .

(4x²+2) + (3x + 50).

2. combine like terms in standard form:

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4 years ago

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Irina18 [472]

Slope:5 y-intercept: -2

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3 years ago

3 in.

gtnhenbr [62]

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3 years ago

the length of a new rectangular playing field is 3 yards longer than quadruple the width. if the perimeter of the rectangular pl

zalisa [80]

Answer:

length = 235 yd

width = 58 yd

Step-by-step explanation:

Let the width be W.

L = 4W + 3

perimeter = 2(L + W)

perimeter = 2(4W + 3 + W)

perimeter = 2(5W + 3) = 10W + 6

We are told the perimeter = 586 yd

10W + 6 = 586

10W = 580

W = 58

L = 4W + 3 = 4(58) + 3 = 232 + 3 = 235

length = 235 yd

width = 58 yd

8 0

2 years ago