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3 years ago

Round 2.638 to the nearest tenth

2 answers:

6 0

It would be 2.6 because the 3 is the in the tenth place, therefore if it were to be a 5 or higher it would round up to 2.7

mina [271]3 years ago

3 0

Answer:

2.6

Step-by-step explanation:

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A rectangle has a length of 12 yards less than 3 times its width. If the area of the rectangle is 135 square yards, find the len

Aleonysh [2.5K]

Answer:

The length is 15 yards

Step-by-step explanation:

Given

Represent the width with W and length with L: So

$Area = 135yd^2$

$L=3W - 12$

Required

Determine the length of the rectangle:

Area is calculated as thus:

$Area = L * W$

Substitute 3W - 12 for L and 135 for Area

$135= (3W - 12) * W$

$135= 3W^2 - 12W$

Reorder:

$3W^2 - 12W - 135= 0$

Divide through by 3

$W^2 - 4W - 45 = 0$

Expand:

$W^2 - 9W + 5W - 45 = 0$

$W(W - 9) + 5(W - 9) = 0$

$(W + 5)(W-9) = 0$

$W + 5 = 0$ or $W - 9 = 0$

$W = -5$ or $W = 9$

But width can't be negative

So:

$W = 9$

Recall that: $L=3W - 12$

$L = 3 * 9 - 12$

$L = 15$

<em>Hence, the length 15 yards</em>

4 0

3 years ago

TWO MINUTES HURRY HELP ME PLEASE

Elis [28]

Answer:

x=-1

Step-by-step explanation:

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3 years ago

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What do i point on the graph ?

ehidna [41]

Answer:

so there is a y and a x axis the x axis is on the bottem and the y axis is on the left

8 0

3 years ago

Ms. Garcia watched 6 commercials

Aleonysh [2.5K]

Answer:

15 commercials

Step-by-step explanation:

6 commercials --> 24 minute

x commercials --> 60 minute(1 hour)

x*24 = 6*60

clear x

x = (6*60)/24

x= 15

6 0

3 years ago

Which is the graph of 4x – 3y = 12?

Oliga [24]

$\text{Graph for} \ 4x - 3y = 12$

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