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3 years ago

Pls help with these questions I can give brainliest thank you all! 9 a and b

Mathematics

1 answer:

nata0808 [166]3 years ago

7 0

Answer:

A. 8 1/4 * 11 1/2 * 14=1328 1/4 ft^2

8 1/4 height times 11 1/2 width times 14 in length equals 1328 1/4 feet squared

B. 8 1/4 * 14 1/2 * 14=1674 3/4

8 1/4 height times 11 1/2 width plus 3 so 14 1/2 width times 14 equals 1674 3/4 feet squared

Step-by-step explanation:

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Mr. I does a job in x hours while Mr. L can do it in y hours. How much of the job could they do together if they were to work fo

dimulka [17.4K]

Answer: Work done by both of them in k hours is

$\frac{k(x+y)}{xy}$

Explanation:

Since we have given that

Number of hours Mr. I does a job = x hours

Number of hours Mr. L does a job = y hours

Work done by Mr. I is given by

$\frac{1}{x}$

Work done by Mr. L is given by

$\frac{1}{y}$

Work done if they do together is given by

$\frac{1}{x}+\frac{1}{y}\\\\=\frac{x+y}{xy}$

Work done if they work together for k hours is given by

$\frac{x+y}{xy}\times k\\\\=\frac{k(x+y)}{xy}$

Hence, work done by both of them in k hours is

$\frac{k(x+y)}{xy}$

3 0

3 years ago

Which is bigger 600 km or 5 m

Lina20 [59]

600 km=600,000 m
So 600km is bigger than 5 m

7 0

4 years ago

Read 2 more answers

(-3 1/2)-(-4 1/4)= -7/2-(-17/4) equals what

solniwko [45]

Answer:

3/4=3/4

Step-by-step explanation:

8 0

3 years ago

(6x2−2x+16)+(4x2+7x−55)

AysviL [449]

(6 • 2 - 2x + 16) + (4 • 2 + 7x - 55)
(-2x + 16 + 6 • 2) + (7x - 55 + 4 • 2)
(-2x + 16 + 12) + (7x - 55 + 8)
-2x + 28 + 7x - 47
-2x + 7x + 28 - 47
5x + (-19)
5x - 19
So the answer is 5x - 19.

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3 years ago

Select the correct pairs of triangles.

hram777 [196]

Answer:

Triangle 1 and 2

Step-by-step explanation:

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3 years ago