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ycow [4]
3 years ago
9

The angles of a triangle are 2x, 3x and 7x respectively. If the sum of the angles of a triangle is 180°What is the measure of ea

ch angle of the triangle?​
Mathematics
1 answer:
vodomira [7]3 years ago
8 0

Answer:

30°, 45°, and 105°

Step-by-step explanation:

Find the value of x

2x + 3x+ 7x = 180

12x = 180

x = 180/12

x=15

Get the value of the angles

2x = 2(15)

3x= 3(15)

7x= 7(15)

The measure of the angles are 30°, 45°, and 105° respectively.

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Aleks04 [339]

Answer:

7.25

Explanation:

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4) Solve each pair of simultaneous equations.
Mkey [24]
4) a. x+y=1–(1)
y=2x-8—(2)
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x+(2x-8)=1
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b. x+y=19—(1)
y=5x+1—(2)

(2) into (1)

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(3) into (2)

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(3) into (2)
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7 0
2 years ago
A line has a rise of 6 and a slope of 1/20 . What is the run?
Lerok [7]

Answer:

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Step-by-step explanation:

\text{ Slope }=\frac{\text{ Rise }}{\text{ Run }}.

Plug in the information given:

\frac{1}{20}=\frac{6}{\text{ Run }}.

Now we want to solve this equation for Run.

If you don't like Run as a variable, let's just use x in it's place:

\frac{1}{20}=\frac{6}{x}

Cross multiply:

1(x)=20(6)

Simplify both sides:

x=120

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Let's check our work.

\text{ Slope }=\frac{\text{ Rise }}{\text{ Run }}.

So if our rise is 6 and our run is 120.

Does 6/120 reduce to 1/20?

6 and 120 do have a common factor of 6.

So if you divide top and bottom of 6/120 by 6 you do get 1/20.

8 0
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scZoUnD [109]
<span>2y=3x-7 
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</span><span>line parallel so it has same slope = 1.5
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Vera_Pavlovna [14]

Answer:

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Step-by-step explanation:

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