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rodikova [14]
2 years ago
12

Find the exact value of each.

Mathematics
1 answer:
FrozenT [24]2 years ago
7 0

Answer:

sin (20) = - 2\sqrt{10}/ 7

Step-by-step explanation:

1- Find the trigonometric values

Hope this helps :)

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The sum of two integers is -8.if one integer is 12 then the other is?
jeka57 [31]

Answer:

2 and -10

Step-by-step explanation:

let the two integers be x and y.

so, x+y=-8---‐-------(1)

and,

x=y+12-------‐-----(2)

from (1) and (2),

(y+12)+y=-8

or, 2y=-8-12

or, y=-20/2

or, y=-10

substitutting the value of y in (2),

x=-10+12=2

therefore the required integers are 2 and -10.

3 0
3 years ago
Read 2 more answers
I really need an answer asap! 15 points each!!
lesya692 [45]

It would take them 8.5 hours.

Explanation:

Since they are painting the room together, they would basically each paint half of the room. So if they were painting half of the room each, it would take them half of the time that it would

normally take each of them. Half of Sally's time is 3.5 hours. And half of John's time is 5 hours. When you add them together, you get 8.5 hours.

Hope this helps!

3 0
4 years ago
13 cm<br> 5 am<br> 12 cm<br> 10 cm<br> What is the total surface area of the block?
alekssr [168]

Answer:

13+5+12+10=40

Step-by-step explanation:

The answer would be 40 cm.

3 0
3 years ago
Read 2 more answers
2k-3(4-k)=3k+4 what is the value for x
Mumz [18]

Answer:

k=8

Step-by-step explanation:

2k-12+3k=3k+4

5k-12=3k+4

2x-12=4

2k=16

k=8

6 0
3 years ago
Is the equation linear? Select Yes or No for each equation. − 3 4 x − 1 2 y = 2 Yes No y = x2 − 5... yes no − 2 x = y +12 YesNo
Flauer [41]
Yes,no,no i think hope this helps.
6 0
3 years ago
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