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erastova [34]
3 years ago
13

Find the value of the variables. If your answer is an integer, leave it in simplest radical form.

Mathematics
2 answers:
dangina [55]3 years ago
8 0

It's the triangle 30 - 60 - 90. The lengths of a side are in proportion 1 : √3 : 2.

2y=20\sqrt3\ \ \ \ |:2\\\\y=10\sqrt3\\\\x=y\sqrt3\to x=10\sqrt3\cdot\sqrt3=10\cdot3=30

<h3>Answer: x = 30, y = 10√3</h3>
ollegr [7]3 years ago
3 0

Answer:d the last one

Step-by-step explanation:

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irinina [24]

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2 years ago
At the We-Pack Shipping, the workers can unload 28 trucks in 7 hours. Which of the following is a correct unit rate for this sit
boyakko [2]

Answer:

4 trucks per hour

Step-by-step explanation:

You would do the trucks over the hours to get the ratio so, 28:7 is equal to 4:1 because 28/7 = 4

5 0
3 years ago
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I NEED HELP PLEASEEEEEEEEEEEEEEEEEEEEEEEEE
ser-zykov [4K]

Answer:

58 square feet

Step-by-step explanation:

The room is already broken down into two smaller rectangles.

The smaller of the two measures 4 ft by 2 ft. A=lw, so substitute 4 for l and 2 for w.

A(smaller rectangle) =(4)(2), or (4*2).

A(smaller rectangle) =8

The larger measures 10 ft by 5 ft, so using the same method, multiply l times w.

A(larger rectangle) =(10)(5), or (10*5).

A(larger rectangle) =50

Add the two rectangles' areas together to find the total area of the room.

8 + 50 = 58

8 0
3 years ago
What is the average rate of change of the function f(x)=20(14)xf(x)=20(14)x from x = 1 to x = 2? Enter your answer, as a decimal
Advocard [28]
The average rate of a function f(x) over an interval x = a and x = b is given by:

Average \ Rate \ of \ Change= \frac{f(b)-f(a)}{b-a}

Given the function

f(x)=20(14)^x

The average rate of change from x = 1 to x = 2 is given by:

\frac{f(2)-f(1)}{2-1} = \frac{20(14)^2-20(14)^1}{1}  \\  \\ =20(196-14)=20(182)=3,640
6 0
3 years ago
Which system of equations has no solution?
allochka39001 [22]

Answer:

B.

{ \binom{7x - 2y = 9}{7x - 2y = 13} }

6 0
2 years ago
Read 2 more answers
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