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3 years ago

Help need to divide the fraction

Mathematics

1 answer:

antoniya [11.8K]3 years ago

4 0

Hello There!

So we divide fractions by multiplying by the reciprocal.

So let’s change 6/7 divided by 3/8 to 6/7 multiplied by 8/3.

Once we do that, we can start our multiplication.

Once we multiply, we get 48/21

We can both divide these by 3 to simplify it so once we divide we will get

16/7

This can be turned in a mix number and it would be 2 and 2/7

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Find the length of the missing side (nearest tenth).

aleksandr82 [10.1K]

Answer: I believe it should be 16 but rounding to the nearest tenth would make it 20.

Step-by-step explanation:

i'm sorry if i'm incorrect

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3 years ago

Find the area of a regular pentagon with an apothem of 11 units. *

docker41 [41]

Answer:

<h2>440 square units</h2>

Step-by-step explanation:

We can find half of a side of the pentagon with the expression

$tan(36\°)=\frac{s_{half} }{11}$

Because, as a regular polygon, all its sectors have the same central angle, and the apothem divides equally each sector in two equal parts.

$s_{half} \approx 8$

Therefore, half of a side is 8 units long, which means each side measures 16 units.

Now, the area of a penthagon is defined by

$A=\frac{p \times a}{2}$

Where $p$ is the perimeter and $a$ is the apothem. Where the perimeter is the sum of all sides, which is 80 units.

$A= \frac{80 \times 11}{2} =440 \ u^{2}$

Therefore, the right answer is the second choice.

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3 years ago

Jason earns $8 per hour mowing lawns.At the end of the week he earned $224.How many hours did he work?

Taya2010 [7]

28 hours is the answer

6 0

3 years ago

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We want to factor the following expression: (x+7)^2+2y(x+7)+y^2 which patter can we use to factor the espression? U and V are ei

Lostsunrise [7]

Answer:

A. (U+V)^2 or (U-V)^2

Step-by-step explanation:

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3 years ago

Emelina wrote the equation of a line in point-slope form as shown below. (y+4)=3(x+2) What is Emelina’s equation in slope-interc

Sergeeva-Olga [200]

Answer:

$y=3x+2$

Step-by-step explanation:

We are given equation as

$(y+4)=3(x+2)$

Since, we have to write equation in slope-intercept form

so, we can use slope-intercept formula

$y=mx+b$

where m is a slope

b is y-intercept

so, we can write our equation in this form

$(y+4)=3(x+2)$

Distribute 3

$y+4=3\times x+3\times 2$

$y+4=3x+6$

Subtract both sides by 4

$y+4-4=3x+6-4$

$y=3x+2$

So, slope-intercept form of equation is

$y=3x+2$

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3 years ago

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Help need to divide the fraction ​

Help need to divide the fraction