If the angles of a triangle are in ratio 2:3:7 find the measure of all the angles of the triangle

Answers

Answer 1

Answer: The sum of all angles of a triangle is 180 grades (or Pi radians).

The angles are in ratio 2:3:7, this means that by naming an angle X we will have:

2*X+ 3*X + 7*X= 180

so, 12*X =180 => X=15

The first angle is 2* X= 30 grades
The second angle is 3*X= 45 grades
The last angle is 7*X=105 grades

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The equation of a line a is given by 3y=x+12- Find line b that is parallel to line a and passes through the point (6, -8)

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Tara incorrectly estimates 36,591,000,000 meters as 4x10^6 meters explain tara's mistake?

Answers

Answer:

4 * 10¹⁰

Step-by-step explanation:

Estimation:

The estimate value of 36,591,000,000 is 40,000,000,000.

40,000,000,000 = 4 * 10¹⁰

Answer: 4 * 10¹⁰

M = 2; (r,3) and (5,9)

Answers

Answer: r= 2 i think

Step-by-step explanation: sorry if I'm wrong

Find the value of y when x equals 4, -3x+9y=-57

Answers

-12 + 9y = -57

add 12 to both sides, 9y = -45

divide 9 from both sides to isolate the y

y = -5

-3(4)+9y=-57
-12+9y=-57
9y=-45
y=-5

0.6x-0.3y=-1.5
0.04x-0.02y=-0.1

Answers

6x - 3y = -15; /* 2 => 12x - 6y = -30;
4x - 2y = -10; /*(-3) => -12x + 6y = 30
____________
=> 0 = 0 True, for every x and every y real numbers;

the solution is {(x, 2x + 5) / x∈R };

Karen's favorite movie is 123.13 minutes long. Her second-favorite movie is 96.75 minutes long. How much longer is herfavorite movie?

Answers

answer: 123.13-96.75
26.37

Answer:

Her favorite movie is 26.38 minutes longer

Step-by-step explanation:

All you have to do is subtract 123.13 by 96.75.

123.13 - 96.75= 26.38

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