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Likurg_2 [28]
3 years ago
7

PLZ HELP LAST ONE RIGHT TRIANGLES

Mathematics
1 answer:
Colt1911 [192]3 years ago
5 0
We are given the angle measure, measure of hypotenuse and we are to find the base(Adjacent) side of the angle.

Cosine relates all these three as:

cos(x)= \frac{Base}{Hypotenuse} \\  \\ 
cos(20)= \frac{Base}{2} \\  \\ 
Base=2 *(cos20)   \\  \\ 
Base=1.88

Rounded to nearest hundredth, the measure of side adjacent to the angle is 1.88
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Please help me with the whole page. I need the answers and calculations please!
Harman [31]
4: (3/4 - 1/2) X 3/5. 

You need them all to have the same denominator (bottom number) 
The lowest common denominator (LCM) of 2,4 and 5 is 20
4 X 5 = 20
2 X 10 = 20
5 X 4 = 20 

Then multiply the top number by the amount you need to multiply the bottom number by to get 20

3 X 5 = 15
1 X 10 = 10
3 X 4 = 12

(3/4 - 1/2) X 3/5. Turns to (15/20 - 10/20) X 12/20.

15 - 10  = 5
5 X 12 = 60

Answer: 60/20
Simplified: Either 3 or 3/1.



If you use the steps above then you should be able to do the rest :D
If you need anymore help, please ask
3 0
3 years ago
If y/z=4/7, then z/y=
topjm [15]

Answer:

z/y = 7/4

Step-by-step explanation:

In y/z = 4/7, the numerator and denominator correspond with each other

So, y =4 and z = 7

5 0
2 years ago
Find the value of x ​
AveGali [126]

Answer:

x = 120

Step-by-step explanation:

Since they are supplementary, they add up to 180 degrees.

So, you can say x + x/2 = 180

Then, you would solve it like an algebra problem.

Multiply both sides by 2

2x + x = 360

Simplify

3x = 360

Divide both sides by 3

x = 120

8 0
1 year ago
PLEASE HELPPPPP ME, IVE BEEN STUCK ON THIS ONE!!..
lianna [129]

Answer:

<u>C. 9 minutes 30 seconds</u>

Step-by-step explanation:

well you could estimate it or just add 2.5 to 6.9 and you would get pretty close to the answer

<u>Have a good day! :)</u>

4 0
1 year ago
How many liters of pure acid must be added to 3 liters of a 50% acid solution to obtain a 75%acid solution?
coldgirl [10]
<span>.75(x+3)=.5(3)+x

</span><span> You already have 3 liters, and you are going to add x liters.

50% (.5) of the 3 liters is acid, and 100% (1) of the added x liters is acid. You will end up with (3+x) liters.

If you have been assigned this problem, you should be able to solve this equation...

</span><span> Hope this helps you solve this, and remember how to do others like it. </span>
7 0
3 years ago
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