3 years ago

Hey can somebody please help me with this

Mathematics

1 answer:

ivann1987 [24]3 years ago

3 0

Answer:

x =4

Step-by-step explanation:

sum of angles in a triangle = 180

(equilateral triangle) all sides are equal

180 ÷ 3 = 60

10x+20 =60

10x = 60 - 20

10x = 40

10x ÷10 = 40÷ 10

x = 4

You might be interested in

Write your answer in simplest form

topjm [15]

Answer:

-2 2/5

Step-by-step explanation:

- 3/5 + - 9/5 = -12/5

-12/5 = -2 2/5

8 0

4 years ago

Solve for p. 9(p-4) = -18 p=

agasfer [191]

Step-by-step explanation:

9(p-4) = -18

9p - 36 = -18

9p = -18 + 36

9p = 18

p= 18/9

p = 2

Check:

9 ( 2 - 4 ) = - 18

9 (-2) = - 18

- 18 = - 18

✓

3 0

4 years ago

Read 2 more answers

you have 3 red seashells 5 blue seashells and 2 yellow sea shells what is the probability of picking a red seashell then without

alina1380 [7]

Probability of any event = ( favourable outcomes ) /total number of outcomes

Probability of = 3/10 + 2/9 = $\frac{47}{90}$

7 0

4 years ago

Please answer the question and you will get brainliest!

sleet_krkn [62]

Answer:

-2

Step-by-step explanation:

Y/x. ...................

4 0

3 years ago

Answers: 5 sixths/2 fourths/or 5 eights

Ostrovityanka [42]

None of the above. make sure you have it said the right way

7 0

3 years ago