3 years ago

Please help :( Find X. Round to the nearest tenth.

Mathematics

1 answer:

g100num [7]3 years ago

6 0

90^2 = 55^2 + 50^2 - 2(55)(50)cosX
(90^2 - 55^2 - 50^2)/(2(55)(50)) = cosX
X = 62.1°

You might be interested in

PLSS HELP ME WITH THIS! 15 POINTS!

irina [24]

Answer:

2w - 13

Step-by-step explanation:

here we just simplify the expression,

3w - 4 - w - 9

becomes:

2w - 13

5 0

2 years ago

Read 2 more answers

If 4x - 8 = 4 , find the value of x

Wittaler [7]

Answer:

x=3

Step-by-step explanation:

4x-8=4

4x=12

4x/4=12/4

x=3

3 0

3 years ago

Read 2 more answers

Find the range of the inequality 2e-3< 3e-1

serg [7]

Answer:

$x = { - 1, 0,1 ,2 ...}$

Step-by-step explanation:

$2e - 3 < 3e - 1 = 2e - 3e < - 1 + 3 = - 1e < 2 = e > - 2$

Hope this helps ;) ❤❤❤

6 0

3 years ago

PLEASE HELP QUICK 30 POINTS !!!!!!

Tatiana [17]

Answer:

Solution given:

one side of a triangle must be less than the sum of two other side .

by making these sense:

3<10+20

10<20+3

20<10+3not true

these three side are not possible.

again

10<20+25

20<25+10

25<20+10

these three side are true so

required side are:

Side 1:10

Side 2:25

Side 3:20

5 0

3 years ago

Read 2 more answers

Equivalent fractions using the LCD 7/10 and 2/5

hammer [34]

7/2,14/4,21/6,28/8,35/10,42/12,49/14,56/16,63/18,70/20

5 0

3 years ago