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satela [25.4K]
3 years ago
15

What is one tip the text gives for taking care of the brain?

Mathematics
1 answer:
Virty [35]3 years ago
5 0

Answer:

the first one

Step-by-step explanation:

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Adult tickets for the school play are $12.00 and children's tickets are $8.00. If a theatre holds 300 seats and the sold out per
Vaselesa [24]
Let x = number of adult tickets, and y = number of children tickets. One equation must deal with the number of tickets, and the other equation must deal with the revenue from the tickets.

Then x + y = 300 is the number of tickets
12x + 8y = 3280 is the revenue from the tickets.

Using the substitution method:

x + y = 300   ⇒   y = 300 - x   ⇒   Equation (3)

12x + 8y = 3280   ⇒   12x + 8(300-x) = 3280   ⇒   x = 220

y = 300 - x   ⇒   y = 300-220 ⇒ 80

Therefore 220 adult tickets and 80 children's tickets were sold.
6 0
3 years ago
How do you find the arctan 4/3 ? (Without a calculator)
Soloha48 [4]
If arctan 4/3 = the tangent of that angle will be 4/3 , opposite 4 over adjacent 3

Now, you only have to take the sin of that angle it's opposite 4 over hypotenuse 5. 

You will get that the answer is 4/5

hope this helps



7 0
2 years ago
SELECT ALL: The point (0, 10) is a solution to the following system of inequalities. Given that information, what could be the s
r-ruslan [8.4K]
63is the number Sorry I don’t know
8 0
3 years ago
Find an equivalent ratio in simplest terms: 56:18
eimsori [14]

Answer: 28:9

Step-by-step explanation:

56:18

56÷2=28

18÷2=9

=28:9

8 0
3 years ago
Read 2 more answers
d = {x|x is a whole number} e = {x|x is a perfect square between 1 and 9} f = {x|x is an even number greater than or equal to 2
Alexxandr [17]
D=\{0;\ 1;\ 2;\ 3;\ 4;...\}\\E=\{4\}\\F=\{2;\ 4;\ 6;\ 8\}\\\\D\ \cap\ F=\{2;\ 4;\ 6;\ 8\}=F\to\boxed{c.}\\conclusion\ F\subset D
5 0
3 years ago
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