2 years ago

Work out the value of x

Mathematics

1 answer:

just olya [345]2 years ago

6 0

Step-by-step explanation:

4x+5x=180 (allied angles)

9x=180

x=180/9

x=20

You might be interested in

Sea f(x) = 5x + 3 entonces f(6) = ?

sesenic [268]

Answer:

f(6)=33

Step-by-step explanation:

f(6)=5(6)+3

f(6)=30+3

f(6)=33

7 0

2 years ago

What is the measure of missing angle?

Thepotemich [5.8K]

115 degrees as 70+40=115 and that is equal to ?

3 0

3 years ago

Read 2 more answers

-2=k. 2 = k·1=k<br> Solve the equation.<br> Enter your answer in the box.<br> k=

Gekata [30.6K]

Answer:

k=-1

Step-by-step explanation:

-2=k. 2

Diving whole equation by 2

-2/2=k

k=-1

5 0

3 years ago

What is the x-coordinate of the vertex of the parabola whose equation is y = 3x² + 9x?

saveliy_v [14]

Answer: -3/2

Step-by-step explanation:

The axis of symmetry, and thus the x-coordinate of the vertex, is given by $x=-\frac{b}{2a}$

So, the answer is $x=-\frac{9}{2(3)}=\boxed{-\frac{3}{2}}$

3 0

1 year ago

Is 1/2 a solution to the equation 8 -2x = 10x + 3?

KatRina [158]

Answer yes

Step-by-step explanation:

hope this helps

8 0

2 years ago