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Pachacha [2.7K]
3 years ago
14

Find the measures of the angles of the triangle ABC if measure of angle A:measure of angle B:measure of angle C = 2:3:4.

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
8 0

Answer:

Angle A = 40

Angle B = 60

Angle C = 80

Step-by-step explanation:

The three angles of a triangle are in the ratio

2:3:4

Multiply by x

2x:3x:4x

The sum of the angles is 180 degrees

2x+3x+4x = 180

9x = 180

Divide by 9

9x/9 = 180/9

x = 20

The value of x is 20

A         B       C    

2*20:3*20:4*20

40       60    80

Angle A = 40

Angle B = 60

Angle C = 80

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The sum of two numbers is 87, and one number is eleven more than the other. fing the number​
lara31 [8.8K]

Answer: 49 and 38

Step-by-step explanation:

I did trial and error

38+11=49

49+38=87

4 0
3 years ago
Jimmy drove to his cabin on the lake and back. it took 0.6 hours longer to go there than it did to come back. the average speed
Neporo4naja [7]
To answer this item, we let x be the distance that Jimmy drove from his origin and back. Given the speeds, the time it takes for him to travel to and fro are,
                                   t1 = x / 46
                                   t2 = x / 52
respectively.

The equation that would best represent the scenario is,
                              x/46 - x/52 = 0.6
The value of x from the equation is 239.2.

The trip there takes x/46 which is equal to 239.2/46 which is also equal to 5.2 hours. The travel from the cabin back took 4.6 hours. 
8 0
3 years ago
Read 2 more answers
Give the coordinates of a point on the line whose equation in point-slope form is.
pantera1 [17]

Answer:

  (4, -2)

Step-by-step explanation:

The point-slope form of the equation for a line is ...

  y -k = m(x -h)

for a line with slope m through point (h, k).

Comparing this to the equation you're given, you can see that the point that was used is (h, k) = (4, -2).

_____

You can find other points on the line, but this one is the easiest to find, since it can be read directly from the equation.

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The highest point in colorado is mount elbert, at 14,433 feet.About how many miles is that
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[SCREENSHOT INCLUDED] Which of the following is the best estimate of f '(2) based on this table of values?
mel-nik [20]

Using derivatives, it is found that the best estimate of f '(2) based on this table of values is of 10.

The rate of change <u>from x = 0 to x = 2</u> is given by:

r_1 = \frac{2 - (-16)}{2 - 0} = \frac{18}{2} = 9

From <u>x = 2 to x = 4</u>, it is given by:

r_2 = \frac{24 - 2}{4 - 2} = \frac{22}{2} = 11

The average of these rates is:

A = \frac{r_1 + r_2}{2} = \frac{9 + 11}{2} = 10

Hence, the best estimate of f '(2) based on this table of values is of 10.

To learn more about derivatives, brainly.com/question/18590720

6 0
2 years ago
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