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ruslelena [56]
3 years ago
5

The expression sin 80 cos 70 + cos 80 sin 70 is equivalent to

Mathematics
1 answer:
vekshin13 years ago
8 0
Sin(70+80) = sin 150.......................
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Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior citizen tickets and 4 child ticke
FrozenT [24]

Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior (S) citizen tickets and 4 child (C) tickets for a total of $200. On the second day of ticket sales he sold 7 senior (S) citizen tickets and 1 child (C) ticket for a total of $92. What is the price of one child ticket?

14S + 4C = 200

14S = 200 - 4C

S = (200 - 4C)/14

7S + 1C = 92

7S = 92 - C

S = (92 - C)/7

(200 - 4C)/14 = (92 - C)/7

7 x (200 - 4C) = 14 x (92 - C)

1400 - 28C = 1288 - 14C

1400 - 1288 = 28C - 14C

112 = 14C

C = 112/14 = 8

the price of one child ticket = $8

8 0
3 years ago
Which is the correct graph of y=2/x^2-4 ?
Elis [28]
The correct graph would be the first one

6 0
3 years ago
The set of whole numbers is not a subset OF--
Andrews [41]
I’m pretty sure it’s b
5 0
3 years ago
Read 2 more answers
G/3 + 11 = 25 please help​
pochemuha

Answer: g = 42

Step-by-step explanation:

g/3 + 11 = 25

First, subtract 11 to both sides

g/3 = 14

Then, multiply 3 to both sides to get rid of the fraction

g=42

8 0
3 years ago
Multi step equation 7x+8=36​
Vitek1552 [10]

Hey

Answer: 4

How do you find that out?

Divide the two numbers on the right, 36 and 8.

36/8=4

7 * 4 + 8 = 36

Hope this helped

4 0
3 years ago
Read 2 more answers
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