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lorasvet [3.4K]
3 years ago
14

How can you find 10 percent of carmen earnings using the ratio 27 to 30 what is 10 percent carmens earning

Mathematics
1 answer:
Elenna [48]3 years ago
7 0

We are given ratio 27 to 30 that is 27:30.

We need to find the 10% using the rate 27:30.

27:30 could be written in fraction form as 27/30.

On dividing 27/30, we get 0.9.

Now, on multiplying 0.9 by 100, we get 90.

Therefore, 27/30 gives us 90%.

<em>In order to find the 10%, we need to subtract 27/30 from 1 because 1 represents 100%.</em>

1-27/30 = 30/30 -27/30 = 3/30.

<h3>Therefore, 3 is 10% of 30.</h3>
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Write an equation in slope-intercept form of the line that passes through (-1, 4) and (0, 2).
arsen [322]

Answer:

y=-2x+2

Step-by-step explanation:

Hi there!

Slope-intercept form: y=mx+b where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)

<u>1) Determine the slope</u>

m=\frac{y_2-y_1}{x_2-x_1} where the two given points are (x_1,y_1) and (x_2,y_2)

Plug in the given points (-1, 4) and (0, 2)

=\frac{2-4}{0-(-1)}\\=\frac{-2}{0+1}\\=\frac{-2}{1}\\= -2

Therefore, the slope of the line is -2. Plug this into y=mx+b:

y=-2x+b

<u>2) Determine the y-intercept</u>

y=-2x+b

Recall that the y-intercept is the value of y when the line crosses the y-axis, meaning that the y-intercept occurs when x is equal to 0.

One of the given points is (0,2). Notice how y=2 when x=0. Therefore, the y-intercept of the line is 2.

Plug this back into the equation:

y=-2x+2

I hope this helps!

6 0
3 years ago
PLEASE HELP ASAP!!!! <br><br> What is the square of 22?<br> A.44<br> B.444<br> C.844<br> D.484
bogdanovich [222]
D.484 i’m sure good luck
5 0
3 years ago
Read 2 more answers
12x+8
Sergio [31]
180=(12x+8)+(8x+12)
180=20+20x
-20. -20
160=20x
20. 20
X=8
B)8
4 0
3 years ago
To the nearest hundreth, what is the length of line segment AB?
FinnZ [79.3K]

Answer:

option (4)

Step-by-step explanation:

Calculate the length using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = A(2, 2) and (x₂, y₂ ) = B(- 6, 4)

AB = \sqrt{(-6-2)^2+(4-2)^2}

      = \sqrt{(-8)^2+2^2}

      = \sqrt{64+4}

      = \sqrt{68}

       ≈ 8.25 ( to 2 dec. places )

3 0
3 years ago
Read 2 more answers
Each lap around the park is 0.58 mile. Jessica walked 3.25 laps around the park. How many miles did Jessica walk around the park
Fynjy0 [20]

Answer:

5 miles but she did walk part of another mile so that would be 5.35.

Step-by-step explanation:

you can take 3.25 and subtract that by 0.58 until you can't do it anymore. Also I didn't know if you wanted the exact amount which would be 5.35 but total miles is only 5. Hope this helps!

7 0
3 years ago
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