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MariettaO [177]
3 years ago
7

Can you please help me with this?

Mathematics
1 answer:
Drupady [299]3 years ago
6 0
<h3>Answer:</h3>

<u>No, he should not change his estimate.</u>

<h3>Step-by-step explanation:</h3>

<u>Because the blocks he already pulled out are still there and they still count as apart of the group.</u> And the estimate is either 75% or 60%. Sorry i couldn't give you an exact answer. Hope i helped! nwn

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Mario is constructing a wall around a rectangular area which will cover a maximum of 60 square feet. The length of the wall will
Feliz [49]

Answer:

W \le 6

Step-by-step explanation:

Given

Area = 60ft^2\ (max)

Length = 10ft

Required

Represent the width as an inequality

First, we represent the area as an inequality.

Area = 60ft^2\ (max)

max as used above means less than or equal to.

So, we have:

Area \le 60

The area of a rectangle is:

Area = L * W

So, we have:

L * W \le 60

Substitute 10 for L

10 * W \le 60

Divide both sides by 10

\frac{10 * W}{10} \le \frac{60}{10}

W \le \frac{60}{10}

W \le 6

7 0
3 years ago
PLEASE HELP!!
beks73 [17]
<span>Let x = the width
:
It says,"The length of a rectangle is 4 less than 3 times the width." write that as:
L = 3x - 4
:
If the perimeter is 40, find the dimensions of the rectangle.
:
We know: 2L + 2W = 40
:
Substitute (3x-4) for L and x for W
2(3x-4) + 2x = 40
:
6x - 8 + 2x = 40; Multiplied what's inside the brackets
:
6x + 2x = 40 + 8; do some basic algebra to find x; (added 8 to both sides)

:
8x = 48
:
x = 48/8
:
x = 6 which is the width
:
It said that L = 3x - 4, therefore:
L = 3(6) - 4
L = 18 - 4
L = 14; is the length
:
Check our solutions in the perimeter:
2(14) + 2(6) =
28 + 12 = 40</span>
8 0
3 years ago
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harina [27]

Answer:

(5a + 17) x 4a

Step-by-step explanation:

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3 years ago
What is five multiplied by six hundred ten
Vlad [161]
It's three thousand and fifty
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Scott bought three bags of candy with 75 pieces In each one. He plans to divide all the candy evenly among seven friends. How ma
kykrilka [37]
He wont have any to his self
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