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I am Lyosha [343]

3 years ago

14

Somebody please help meee!!!!

1 answer:

Otrada [13]3 years ago

8 0

Answer:

Volume of the pyramid is 448 cubic meters.

Step-by-step explanation:

Volume of the given pyramid = $\frac{1}{3}(\text{Area of the rectangular base})(\text{Height of the pyramid})$

Area of the rectangular base = Length × Width

= 12 × 16

= 192 m²

Volume of the pyramid = $\frac{1}{3}(192)(7)$

= 448 m³

Therefore, the volume is 448 cubic meters.

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Darius is putting tiles on the roof of his house. After working for 3 1/3 hours, he has completed 4/5 of the roof. Can Darius pu

tangare [24]

Answer:

No.

Step-by-step explanation:

It is given that Darius is putting tiles on the roof of his house.

Darius had completed = $\frac{4}{5}$ th of the work

He takes time = $3 \frac{1}{3}$ hours to complete $\frac{4}{5}$ th of the work

The remaining work = $1 -\frac{4}{5}$

$=\frac{5-4}{5}$

$=\frac{1}{5}$

∴ Darius completes $\frac{4}{5}$ th of the work in = $\frac{10}{3}$ hours

So, $\frac{1}{5}$ th of the work in = $\frac{10}{3} \times \frac{5}{4} \times \frac{1}{5}$ hours

$=\frac{10}{12}$ hours

Therefore total time taken to complete the work $=\frac{10}{3}+\frac{10}{12}$ hours

$=\frac{40+10}{12}$ hours

$=\frac{50}{12}$ hours

$=4\frac{2}{12}$ hours

$=4\frac{1}{6}$ hours

Thus, Darius continues to work at the same rate will not be able to complete the work in 4 hours.

8 0

2 years ago

Determine if the graph of y=x/x^2-4 is symmetrical with respect to the x-axis, the y-axis, or the origin.

aalyn [17]

9514 1404 393

Answer:

c. about the origin

Step-by-step explanation:

The function is odd: replacing x with -x gives the negative of the function value:

f(-x) = -f(x)

Odd functions are symmetrical about the origin.

3 0

2 years ago

#15: Which point in the number line below represents the number opposite the number -5 1/2?

densk [106]

Answer: D

Step-by-step explanation:

You have -5 1/2 to find the complete opposite all you have to do is take away the negative sign and find the number on the number line.

Good luck !

3 0

2 years ago

Cada par de numeros esta a razon de 2:3

german

(0,8)+(7,-52) eso es la problema

4 0

2 years ago

Write (2x - 5)2 as a trinomial.

solniwko [45]

Answer:

$4x^2-20x+25$

Step-by-step explanation:

$(2x-5)^{2} \\(2x)^2+2(2x)(-5)+(-5)^2\\4x^2-20x+25$

7 0

3 years ago

Read 2 more answers