2 years ago

Find a coefficient of x in -7x, and a coefficient of 9/4y.

Mathematics

2 answers:

goblinko [34]2 years ago

7 0

Answer:

Step-by-step explanation:

garik1379 [7]2 years ago

6 0

Answer:9

Step-by-step explanation:

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snow_tiger [21]

Answer: 7/20

Step-by-step explanation:

3/4 - 2/5

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2 years ago

The volume of an oblique pyramid with a square base is V units3 and the height is h units.Which expression represents the area o

melamori03 [73]

Answer: a) $\dfrac{3V}{h}\ units^2$

Step-by-step explanation:

We know that the volume of an oblique pyramid is given by :-

$\text{Volume}=\dfrac{1}{3}\text{(Base Area x height) }$

If the volume of an oblique pyramid with a square base is V units³ and the height is h units.

Then, we have

$V=\dfrac{1}{3}\text{(Base Area x h) }$

Multiply 3 on both sides , we get

$3V=\text{(Base Area x h) }$

Divide both sides by h , we get

$\dfrac{3V}{h}=\text{Base Area }$

i.e. $\text{Base Area }=\dfrac{3V}{h}\ units^2$

Hence, the expression represents the area of the base of the pyramid = $\dfrac{3V}{h}\ units^2$

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