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Alinara [238K]
3 years ago
5

1. 2 + 7x = 162. 5 + x over 2 = 163. -17 = 2x - 84. 0.5x - 0.3 = 0.2​

Mathematics
1 answer:
gtnhenbr [62]3 years ago
7 0
Numbers 1 & 4 are correct
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Tamara needs to buy motor oil to fill the 7 empty cylindrical barrels at her oil service center. Each barrel is 4.5 ft deep and
Lerok [7]

Answer:

addition and multiplication

Step-by-step explanation:

add 4.5 + 1.5 to get 6 ft and then multiply that by 7

6 0
3 years ago
What is the exact value of <img src="https://tex.z-dn.net/?f=tan%5Cfrac%7B11%5Cpi%20%7D%7B12%7D" id="TexFormula1" title="tan\fra
AnnyKZ [126]

Notice that

11/12 = 1/6 + 3/4

so that

tan(11π/12) = tan(π/6 + 3π/4)

Then recalling that

sin(x + y) = sin(x) cos(y) + cos(x) sin(y)

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it follows that

tan(11π/12) = (tan(π/6) + tan(3π/4))/(1 - tan(π/6) tan(3π/4))

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tan(11π/12) = - (√3 - 1)²/((√3 + 1) (√3 - 1))

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8 0
2 years ago
What is 19382x28293= ?
Aleonysh [2.5K]

19382x28293 = 548,374,926‬

3 0
3 years ago
Read 2 more answers
How do I do this problem???
Andreas93 [3]
A. there are 72 right-handed batters. this is what you do:
5:8
45:?
45/5=9
8*9=72 so
45:72 
b. there are 45 left-handed batters
the total batters is 45+72=117
so the ratio of left-handed to the total batter would be 45:117
hope this helps :)

4 0
3 years ago
Is (4, 2) a solution to the equation y = x2 − 7x?
sergey [27]

Answer:

not rlly

Step-by-step explanation:

you need more information to solve that type of equation

8 0
2 years ago
Read 2 more answers
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