3 years ago

Ned created a video that was originally 40 minutes

Mathematics

2 answers:

iren2701 [21]3 years ago

8 0

Answer:

36.8 minutes long

Step-by-step explanation:

8 percent is 3.2

40 - 3.2 = 36.8

Zanzabum3 years ago

3 0

Answer:

36.8 minutes or 36 minutes 48 seconds

Step-by-step explanation:

8 percent of 40 is 3.2

(.08 times 40)

40 minus 3.2 is 36.8 :)

(.8 times 60 is 48)

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Round 649,418 to the nearest ten,_____,nearest hundred_____,nearest thousand_____,nearest ten thousand_____,nearest hundred thou

kvasek [131]

649,420
649,420
649,420
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4 0

3 years ago

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A Wooden board is leaning against the house the base of the board is 10 feet from the base of the house and the base of the boar

astra-53 [7]

Answer: 12.20 feet.

Step-by-step explanation:

Observe in the figure attached that a right triangle is formed.

Then, you need to remember the identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

In this case you can identify that:

$adjacent=10\\hypotenuse=x$

$\alpha=35\°$

Then, to find the length of the wooden board (x), you need to substitute values and solve for x.

Therefore, you get:

$cos(35\°)=\frac{10}{x}\\\\(x)(cos(35\°))=10\\\\x=\frac{10}{cos(35\°)}\\\\x=12.20$

The length of the wooden board is: 12.20 feet.

5 0

4 years ago

Find the point, M, that is two-sevenths of the distance from A(-9, 2) to B(-2, -12).

Softa [21]

(2B +5A)/7 = (2(-2, -12) +5(-9, 2))/7 = (-4-45, -24+10)/7 = (-7, -2)

Selection B is appropriate.

3 0

3 years ago

All of the following are equivalent except 7x2, 4x+3x, (4+3)x, 7x

Virty [35]

Answer:

7x^2 (the first choice)

Step-by-step explanation:

7x^2

4x+3x = 7x

(4+3)x = 7x

All are 7x except for the first one which is 7x^2

5 0

3 years ago

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stiks02 [169]

Answer:

I don't realy know

Step-by-step explanation:

I think it's B

8 0

1 year ago