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Zolol [24]
4 years ago
7

Katie is building a rectangular wall. The wall will be 332 bricks wide and 39 bricks tall. She has 15,000 bricks. Does she have

enough bricks to build the wall? Explain. Show your work in the box.
Mathematics
2 answers:
agasfer [191]4 years ago
4 0
Katie has enough bricks because it only takes 12,948 bricks to build the wall. To get 12,948, you will multiply 332 by 39. So basically you are multiplying the width by how tall it is.
rusak2 [61]4 years ago
4 0

Answer:

12,948 bricks are required to make the rectangular wall. Yes, Katie have enough bricks to make the wall

Step-by-step explanation:

We are given the following information in the question:

Total number of bricks Katie have = 15,000

Length of the rectangular wall = 39 bricks

Width of the rectangular wall = 332 bricks

Total number of bricks required to build the wall =

\text{Length of the wall}\times \text{Width of the wall}\\= 39\times 332\\= 12948

Thus, 12,948 bricks are required to make the rectangular wall.

Yes, Katie have enough bricks to make the wall. In fact she have some extra bricks.

Katie have (15000 - 12948) = 2,052 extra bricks.

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Answer:

11/4

Step-by-step explanation:

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5 0
3 years ago
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Two similar triangles are shown.
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rotated

Step-by-step explanation:

The triangle MNO has already been dilated and therefore, the answers were left to 3: rotated, reflected and translated. Triangle YHQ is not an image of triangle MNO. Thus, leaving only 2 choices: rotated and translated. If triangle MNO was translated, triangle YHQ was supposed to be in the same position as triangle MNO is and leaving only 1 option which is rotated.

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emma,clare ,and mark sent a total of 63 text messages during the weekend. clare sent 5 fewer messages than emma. mark sent 2 tim
11Alexandr11 [23.1K]

Answer:

Emma = 17

Clare = 12

Mark = 34

Step-by-step explanation:

Emma = x

Clare = x-5

Mark = 2x

2x+x+x-5=63

4x=5=63

4x=63+5

4x=68

x=17

Emma = x = 17

Clare = x-5 = 17-5 = 12

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4 0
3 years ago
What equation results from completing of the square and then factoring? X^2+4x=5
andre [41]

Answer:

(x-1)(x+5)=0

x=1; x=-5

Step-by-step explanation:

x²+4x=5

x²+4x+2²=5+2²

(x+2)²=3²

(x+2)²-3²=0

(x+2-3)(x+2+3)=0

(x-1)(x+5)=0

(x-1)=0 ; x=1

(x+5)=0;  x= - 5

4 0
4 years ago
A rancher’s herd of 250 sheep grazes over a 40-acre pasture. He would like to find out how many sheep are grazing on each acre o
DerKrebs [107]
Given:250 sheep in a 40-acre pasture.Number of sheep grazing in each acre.
250/40 = 6.25 or 6 sheep per acre
n = 6sample proportion: signified by ρSample 1: 4 → 4/6 = 0.67Sample 2: 1 → 1/6 = 0.17Sample 3: 9 → 9/6 = 1.50
multiply the sample proportion by 1-ρSample 1: 0.67(1-0.67) = 0.67(0.33) = 0.2211Sample 2: 0.17(1-0.17) = 0.17(0.83) = 0.1411Sample 3: 1.50(1-1.5) = 1.5(-0.5) = -0.75
divide the result by n. n = 6Sample 1: 0.2211/6 = 0.03685Sample 2: 0.1411/6 = 0.02352Sample 3: -0.75/6 = -0.125
square root of the quotient to get the standard error.Sample 1: √0.03685 = 0.1919Sample 2: √0.02352 = 0.1534Sample 3: √-0.125 = invalid
z value 95% confidence 1.96.
Sample 1: 1.96 * 0.1919 = 0.3761 or 37.61% margin of errorSample 2: 1.96 * 0.1534 = 0.3007 or 30.07% margin of error
3 0
3 years ago
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