2 years ago

Find the value of x in the triangle.

1 answer:

3 0

$= > 3x + 15 + 4x + 12 = 180 \\ = > 7x + 27 = 180 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = > \: 7x = 180 - 27 = 153 \: \: \: \: \\ x = \frac{153}{7} = 21 \\ x = 21$

You might be interested in

The pyramid of khagra,in Egypt,is 488 feet tall. The Eiffel Tower,in France,is 1,063 feet tall. How much taller is the Eiffel To

steposvetlana [31]

Answer:

The Eiffel Tower in France is 575 feet taller than pyramid of khagra.

Step-by-step explanation:

We are given the following in the question:

Height of pyramid of khagra = 488 feet

Height of Eiffel Tower in France = 1,063 feet

Difference in height =

= Height of Eiffel Tower in France - Height of pyramid of khagra

$=1063 - 488\\= 575\text{ feet}$

Thus, the Eiffel Tower in France is 575 feet taller than pyramid of khagra.

7 0

3 years ago

What's the answer of the this-48.3÷(-7)

goblinko [34]

the answer is 6.9.

When you divide a negative by a negative it is a positive

4 0

3 years ago

Please please open !

Tomtit [17]

Answer:

1.A 2.A 3.A 4.B 5.A 6.B

6 0

3 years ago

Please helppp (NO LINKS!!!)

n200080 [17]

Answer:

DE = 39.64840676

CE = 35.3269891

Step-by-step explanation:

SOH CAH TOA

Thus,

sin(27) = 18/DE

tan(27) = 18/CE

DE = 39.64840676

CE = 35.3269891

4 0

2 years ago

Marvin has a bag that contains 3 red marbles and 9 blue marbles he will randomly select a marble from the bag what is the probab

Anna71 [15]

Answer:

now how

Step-by-step explanation:

because he likes red marbles

i dont know

3 0

3 years ago