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Darina [25.2K]
3 years ago
13

Fifty decreased by twice a numebr

Mathematics
1 answer:
svp [43]3 years ago
6 0
Fifty decreased by twice a number is
2x-50
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A triangle has the following angle measures: 125°, 15°, and 40°. Which of the following statements best describes its drawing?
FromTheMoon [43]

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Measures of angles are as follows:

125°, 15°, 40°

As we know the sum of all angles in a triangle is supplementary i.e. 180°.

∠A+∠B+∠C=180°

125°+15°+40°=180°

Therefore, it is satisfying the angle sum property.

So, it can form a triangle.

Now, we will check for uniqueness.

As similar triangles need two angles to be equal by AA criteria , their sides can vary with two equal angles.

Hence, there is possibility to have many possible similar triangles with angle measures.

Therefore, Option 'D' is correct.

4 0
3 years ago
Read 2 more answers
Slope and y-intercept of the graph of 25x -20y =100
tankabanditka [31]

Step-by-step explanation:

First, we need to put this standard form into slope-intercept form

To do this you need to move the "y" to all by itself

-25x+25x-20y=100-25x

-20y=100-25x

y=5/4x-5

Answer:

y=5/4x-5

8 0
3 years ago
A circular track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena's speed? Incl
svp [43]

Answer:

  5 mph

Step-by-step explanation:

The relation between speed, distance, and time is ...

  speed = distance/time

Filling in the given values, we find the speed to be ...

  speed = (1/4 mi)/(1/20 h) = (1/4)(20/1) mi/h = 5 mi/h

Elena's speed is 5 miles per hour.

3 0
3 years ago
10 dollars less than Caitlin
rusak2 [61]

Answer:

c-10

Step-by-step explanation:

4 0
3 years ago
Write the equation of a line that passes through points 1, 1 and -2, 10
zloy xaker [14]
Slope = (10 - 1)/(-2-1) = 9/-3 = -3

pass thru (1,1)
y = mx + b
1 = -3(1) + b 
1 + 3 = b
so b = 4

equation: y = -3x + 4
7 0
3 years ago
Read 2 more answers
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