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3 years ago

What is the answer?! Pls help!

Mathematics

1 answer:

Levart [38]3 years ago

7 0

If u divide the area by length then u will get the width as x+4

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1/2 =4/ Please help

Dennis_Churaev [7]

1/2 = 2/4 because if you divide 2/4 by 2 you get 1/2.

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3 years ago

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Help Me With These Please

Sloan [31]

1: a. 20:1
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4 years ago

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A travelers ground speed is 2 feet per second against the walkway and 8 feet per second with the walkway, what is the travelers

creativ13 [48]

Answer:

The traveller's speed is 5ft/s and the walkway speed is 3ft/s

Step-by-step explanation:

Given

Represent the traveller's speed with T and the walkway's speed with W.

When the traveller walk against the walkway, we have:

$T - W = 2$ ---- i.e. 2ft/s against the walkway

When the traveller walk with the walkway, we have:

$T + W = 8$ ---- i.e. 8ft/s with the walkway

Required

Solve for W and T

$T - W = 2$ --- (i)

$T + W = 8$ --- (ii)

Add (i) and (ii)

$T + T - W + W = 2 + 8$

$T + T = 2 + 8$

$2T = 10$

Divide both sides by 2

$\frac{2T}{2} = \frac{10}{2}$

$T = \frac{10}{2}$

$T = 5$

Substitute 5 for T in (ii)

$T + W = 8$

$5 + W = 8$

Make W the subject

$W = 8 - 5$

$W = 3$

Hence, the traveller's speed is 5ft/s and the walkway speed is 3ft/s

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3 years ago

How many perfect squares are there between 2 and 140

zlopas [31]

Answer:

Step-by-step explanation:

4, 9, 16, 25, 36, 49, 64, 81, 100, 121

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3 years ago

Identify the area of the composite shape.

ivanzaharov [21]

Step-by-step explanation:

$2(14 \times 2) + ((7 - 4) \times (14 - 9)) = \\ = 28 \times 2 + (3 \times 5) = \\ = 56 + 15 = \\ = 71$

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3 years ago