2 years ago

Find the value of x. (3x+20) º 12°

Mathematics

2 answers:

PolarNik [594]2 years ago

7 0

Answer:

x=32°

Step-by-step explanation:

2x+3x+20=180 co interior angle

5x=180-20

x=160/5=32°

kondor19780726 [428]2 years ago

3 0

Answer:

12°

Step-by-step explanation:

a straight line adds up to 180°

(3x+20)+2x=180

3x+2x+20=180

5x+20=180

5x=180-20

5x=60

5x/5=60/5

x=12

x=12°

You might be interested in

Help with this question please thank you so much

muminat

-6/5,-236/5 would be the minimum

8 0

3 years ago

Look at the tree diagram for tossing a coin three times. Find the probability of getting exactly two tails.

lana66690 [7]

Answer:

3/4

Step-by-step explanation:

use a calculator

6 0

3 years ago

HELP ASAPP 30 points!!!!!<br> Which number is rational?

Anna35 [415]

Answer:

Step-by-step explanation:

because its a whole number as in the square root is 4

6 0

2 years ago

I will give brainly

Akimi4 [234]

Answer:

Step-by-step explanation:

This probability will be the area of the square divided by the area of the circle.

$P=\frac{(4\sqrt{2})^2}{\pi 4^2}\\ \\ P=\frac{32}{16\pi}\\ \\ P=\frac{2}{\pi }\\ \\ \text{As a percentage}\\ \\ P=\frac{200}{\pi}\\ \\ P\approx 63.7\%$

7 0

2 years ago

I need help it’s due in 10 mins ASAP <br> I’ll mark you as a brainlist please help

Lady_Fox [76]

Take DEBC a parralelogram
Parralel sides are DE and BC
THEREFORE,
1/2*(a+b)*h
1/2*(6+15)*h
1/2*(21)*h=0
10.5*h=0
h=-10.5

3 0

3 years ago