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3 years ago

Help math question 7 and 8

Mathematics

1 answer:

wel3 years ago

5 0

Answer:

for #7, i think the degrees are both 56

Step-by-step explanation:

another good way to check is slader.com

you enter you math book and it has an explanation with the answer

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What is 9:05 to 10:54

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Answer:From first time to second time

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From first time to second time over midnight

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From second time to first time over midnight

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Step-by-step explanation:

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3 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 = $\dfrac{3V}{h}\ units^2$

Hence, the correct answer is a) 3 v/h units^2

7 0

3 years ago

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(6ab-8a+8) - (7ab-1 )

PSYCHO15rus [73]

Answer:

$- ab - 8a + 9$

Step-by-step explanation:

$(6ab - 8a + 8) - (7ab - 1) \\ 6ab - 8a + 8 - 7ab + 1 \\ - ab - 8a + 9$

hope this helps you.

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3 years ago

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viktelen [127]

Answer:

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Step-by-step explanation:

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3 years ago

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Which formula gives the area of a parallelogram? (3)

SVEN [57.7K]

Answer:

A = bh (the last one)

Step-by-step explanation:

To find the area of a parallelogram, multiply the base by the height. The formula is: A = B * H where B is the base, H is the height, and * means multiply. The base and height of a parallelogram must be perpendicular.

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3 years ago