Ask question

Ask question

All categories

schepotkina [342]

3 years ago

9

∠A and ∠B are vertical angles. If m∠A=(3x-30)° and m∠B=(2x-9)°,then find the value of x.

1 answer:

olganol [36]3 years ago

8 0

Answer:

x = 21°

Step-by-step explanation:

Vertical angles have the same measures, therefore:

3x - 30 = 2x - 9

x - 30 = -9

x = 21°

You might be interested in

Chris has $63 to spend on the order, including tax. The tax at the restaurant is 5%. What is the maximum cost of food the group

vredina [299]

Answer:

x = $59.85

Step-by-step explanation:

100% = $63

95% = x

100x = 95*63

100x = 5985

x = $59.85

4 0

2 years ago

What is the sum of −4x+1 and 6x−5 ?<br><br> 10x + 6<br><br> 2x−4<br><br> −2x+6<br><br> I don't know.

creativ13 [48]

2x-4

-4 + 6 is 2 so 2x
1 + -5 is -4

5 0

2 years ago

Read 2 more answers

A certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37 teachers.

zheka24 [161]

Answer:

A) 0 and 13

Step-by-step explanation:

64 - 37 = 27

27/2 = 13.5

13 teachers can teach 3 classes at max

6 0

2 years ago

A recipe calls for 3 cups of sugar for every 4 cups of flour, resulting in ___ cup of sugar for every cup of flour?

kati45 [8]

Answer:

12 cups of sugar

Step-by-step explanation:

i hope it right

3 0

2 years ago

No links plz! Will mark brainliest if correct!

ehidna [41]

Answer:

(m-4) / (5m)

Step-by-step explanation:

((m²-16) / (5m)) / (m+4) =

(m²-16) / (5m(m+4)) =

m²-16 / (5m²+20m) =

(m-4) / (5m)

7 0

2 years ago