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3 years ago

What is one eighth of 44?

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

4 0

1/8*44 = 1/4*22 = 1/2*11 = 5.5

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If (n+1)!=90×(n-1)!,find n.

Helen [10]

$\displaystyle\bf\\(n+1)!=90\times (n-1)!\\\\(n-1)!\times n\times(n+1)=90\times (n-1)!~~~\Big|~:(n-1)!\\\\n(n+1)=90\\\\n(n+1)=9\times10\\\\n(n+1)=9(9+1)\\\\\implies~~\boxed{\bf n=9}$

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3 years ago

HELP!!!!

Andrei [34K]

Answer: 90° , 60° and 30° .

Step-by-step explanation:

Given : In a right triangle with a leg of 4 units and a hypotenuse of 8 units.

One angle should be 90°. (A right triangle has a 90° angle.)

Let the given leg is the side opposite to the angle $\theta$ in the triangle.

Then by trigonometry , we have

$\sin\theta=\dfrac{4}{8}=\dfrac{1}{2}$ [Sine of an angle is the ration of the side opposite to the angle and the hypotenuse of a right triangle.]

Also , $\sin 30^{\circ}=\dfrac{1}{2}$

$\Rightarrow\ \theta = 30^{\circ}$

Let x be the measure of the third angle.

BY Angle sum property of triangle , we have

$90^{\circ}+30^{\circ}+x= 180^{\circ}\\\\ 120^{\circ}+x= 180^{\circ}\\\\ x=180^{\circ}-120^{\circ}\\\\ x= 60^{\circ}$

Therefore , the measures of all angles in the triangle : 90° , 60° and 30° .

4 0

3 years ago

an exterminator charge $80 to visit a home and $35 to spray each room. Of the total bill was $394, how many rooms were sprayed?

Lemur [1.5K]

Answer:

The answer is $8.97 per room

Step-by-step explanation:

394-80=314

314 divided by 35=

$8.97

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3 years ago

Just as you saw ABD used to create an

Dima020 [189]

Answer: h2=a2-x2

Step-by-step explanation:

e2020

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3 years ago

How can you use metal math to determine if a ratio is simplified

kap26 [50]

That's a simple question.

Ans: If both numbers can be divided to equal a whole number, then it can be simplified.
Example: 35:7 (this is your ratio) divided by 7 = 5:1

If I was of help to you, I would greatly appreciate it if you rate my answer as the Brainliest

4 0

4 years ago