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DochEvi [55]
2 years ago
12

Work out size of angle x

Mathematics
2 answers:
JulsSmile [24]2 years ago
8 0
X=63

Explanation: Add the two given sides, you get 27, since the triangle is a right angle you would subtract 27 from 90.
90-27=63
myrzilka [38]2 years ago
7 0

Answer:

Step-by-step explanation:

Comment

You are given values for the adjacent side of <x and the hypotenuse of a right triangle. This defines the Cosine of an angle

Equation

Cos(x) = a/c the way you have labeled it.

Givens

a = 9

c = 18

Solution

Cos(x) = a / c

Cos(x) = 9 / 18

cos(x) = 1/2

x = cos-1(1/2)

x = 60 degrees

Answer

x = 60

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Question 4 pleaseeeeeee
arsen [322]

Answer:

B

Step-by-step explanation:

Unit rate means one quantity in terms of another unit quantity. In the answer choices, we see that the denominator is always in terms of UNIT LITERS (1 L), so that means, we have to find gallons in terms of UNIT LITERS.

It means, we have to divide gallons by liters to get in terms of unitary liters.

Let's check the first line:

19.5/75 = 0.26 Gallons / 1 Liter

Now, checking 2nd:

39/150 = 0.26 Gallons / 1 Liter

So, yes, they are the same and other 2 lines would be the same as well. The unit rate is:

0.26 gal/1L

That's answer choice B

7 0
3 years ago
The blueprint for a new swimming pool uses the scale 3/4 inch = 2 feet. If the actual dimensions of the pool will be 8 ft wide b
weeeeeb [17]

Answer:

The dimensions of the pool on the blueprint would be 3 in wide by 4.5 in long.

Step-by-step explanation:

First I turned 3/4 into a decimal, which would be 0.75. The I divided the dimensions of the pool by two. This way I could multiply the .75 by how many sets of two feet there were in the dimensions. Finally I multiplied 4 by .75 and I multiplied 6 by .75. That is how I found my answer.

5 0
3 years ago
Kim bought four bottles of water and 2 candy bars at a snack shack. Steve bought one bottle of water and 7 candy bars from the s
OverLord2011 [107]

Answer:A

Step-by-step explanation:

1 bottle is 1.50

4*1.50=5

5+1.25= the total

5divided by 7=0.70

Double check your work I’m not sure if I’m right!

5 0
3 years ago
Write the fraction as a percent.<br> 19/4
Alex777 [14]
19÷4=4.75
To make it into a percentage, multiply it by 100
4.75×100%=475%
7 0
4 years ago
Evaluate the expression for x=6<br> 4×+6
alexira [117]

Answer:

30

Step-by-step explanation:

x=6

4 by 6 =24

24 + 6 =30

7 0
3 years ago
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