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3 years ago

I can't figure this problem out cuz I don't know if it is a 90 degrees angle. Some please HELP!

Mathematics

2 answers:

Dovator [93]3 years ago

7 0

The whole angle is supplementary so 180°, now just subtract 180°-114° = ?
What you get for it will be angle 1.

sesenic [268]3 years ago

3 0

On this one, a straight line is 180º (since it's basically to 90º angles back-to-back).

Since you know the measure of angle 2 is 114º and together angle 1 and angle 2 make a straight line (or 180º), you need to know:

114º + what = 180º

Can you take it from there?

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11) How many kilograms of How many kilograms of calcium are there

Over [174]

Answer. A. 78.5 kg
Explanation. First, we must convert the lbs into grams, we can do this my multiplying 454 by 173 and get 78,500. Then convert it to kg, there are 1,000 g in a kg do divide 78,500 by 1,000 to get 78.5 kg. Let me know if it’s correct so others can use it. Brainliest would be appreciated.
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4 0

3 years ago

If f(x)=25-2x, then f(5)= Some please help

gizmo_the_mogwai [7]

F(x) = 25 - 2x

f(5) is pretty much the value of f(x) when x = 5

Plug x=5 into f(x)

f(5) = 25 - 2(5)
= 15

That's your answer.

Have an awesome day! :)

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3 years ago

Baking pans are discounted at 15% off the regular price of $2. How much money will be saved?

torisob [31]

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4 years ago

Read 2 more answers

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed b

klemol [59]

Imagine right triangle PHF, where P - park, H - home and F - football field, then PH, PF are legs and HF is hypotenuse . Denote point L to be library. You know that point L lies on the segment FH and FL=8, LH=2. Also you know that PL is an altitude to the hypotenuse.

Use the property of altitude drawn from the vertex of right angle to the hypotenuse (the length of the altitude is geometrical mean between legs' projections onto hypotenuse):

$PL=\sqrt{HL\cdot LF},\\ PL=\sqrt{2\cdot 8}=\sqrt{16} =4$ mi.

This means that the distance between park and libriry is 4 miles.

Consider right triangle PLF ( angle L is right angle and PF - hypotenuse). By the Pythagorean theorem,

$PF^2=PL^2+LF^2,\\ PF^2=4^2+8^2,\\ PF^2=16+64=80,\\ PF=\sqrt{80} =4\sqrt{5}$ mi. The distance between park and football field is $4\sqrt{5}$ miles.

Answer: the distance between park and libriry is 4 miles and the distance between park and football field is $4\sqrt{5}$ miles.

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3 years ago

Find the volume of the cylinder. Find the volume of a cylinder with the same radius and double the height. Radius = 8, Height =

Yanka [14]

Answer:

V = 603.19 unit^3

V = 192π unit^3

Step-by-step explanation:

V = πr^2 *h

V = π(8)^2 *3

V = 603.19 unit^3

V = 192π unit^3

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3 years ago

Read 2 more answers

I can't figure this problem out cuz I don't know if it is a 90 degrees angle. Some please HELP! ​

I can't figure this problem out cuz I don't know if it is a 90 degrees angle. Some please HELP!