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Blababa [14]
3 years ago
15

7. A wall of length 10 m was to be built across an open

Mathematics
1 answer:
Ivan3 years ago
5 0

Step-by-step explanation:

no \: of \: bricks =  \frac{volume \: of \: wall}{volume \: of \: one \: brick}  \\  \\  =  \frac{10 \: m \times 4 \: m \times 24 \: cm}{24 \: cm \times 12 \: cm \times 8 \: cm}  \\  \\ =  \frac{1000  \: cm\times 400 \: cm  \times 24 \: cm}{24 \: cm \times 12 \: cm \times 8 \: cm}  \\  \\  =  \frac{1000  \: cm\times 400 \: cm  }{ 12 \: cm \times 8 \: cm}  \\  \\  =  \frac{400000}{96}  \\  \\  = 4166.67 \\  \\  \approx \: 4167

Hence, approximately 4167 bricks would be required to built the wall of given dimensions.

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A restaurant uses one-third of their stock of cooking oil in a week. If 20 gallons are left, how
elena-14-01-66 [18.8K]

Answer: 60

Step-by-step explanation:

3 0
3 years ago
.The table shows the relationship between the number of hours and pages read by Melissa. What is the constant of proportionality
stepan [7]
Can you show the table
If the line is going down then it’s negative I was going up it’s positive if the line is constant it’s a constant
The more hours that she read the more pages that she’s able to read
8 0
3 years ago
Triangle ABC is an obtuse triangle with the obtuse angle at vertex B. Angle A must be
kvv77 [185]
Answer:

Angle A must be acute.

Explanation:

Both angle A and C must be acute. The sum of the angles in a triangle is 180°.

An obtuse angle is more than 90°, so the sum of the remaining 2 angles has to be less than 90°.

Note that it is impossible to have:

<span>2 right angles in a triangle, because <span>90°+90°=180</span>° and the third angle still needs to be added.1 obtuse and 1 right angle in a triangle, their sum is more than 180°2 obtuse angles in a triangle, their sum is more than 180°</span>

It is possible to have an obtuse-angled isosceles triangle, but the vertex angle must be obtuse and the equal base angles will be acute.

8 0
2 years ago
Which of the following is the algebraic form for the verbal statement shown: "12 more than the product 4 and a number, n" - A. n
katrin2010 [14]
If you mean “13 more than the product 4 and a number, n”
then the answer is B

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6 0
3 years ago
Read 2 more answers
The figure below shows the parcel of land on, which dallas, the zoo keeper , confines his zebras. His rule of thumb dictates tha
Irina18 [472]
Unfortunately, you haven't shared the "figure below" that shows the dimensions of this parcel of land.  Without being able to calculate the area of the parcel, you cannot really answer this question exactly.

Suppose that the area of the parcel were 6000 square meters.  Dividing that by 1500 square meters, we get 4, which represents the number of zebras that can live on this (example) parcel.

Figure out the area of your parcel, in square meters, and thend divide your result by 1500 square meters.  This will give your your answer.  Please note:  your answer will be a COUNT of zebras.  "meters" does not belong in this answer.
6 0
3 years ago
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