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Brrunno [24]
3 years ago
7

Quick math, please help!! Thank you!

Mathematics
1 answer:
SVEN [57.7K]3 years ago
8 0

Answer:

x=32

Step-by-step explanation:

Since we know all the angels are equal to 60, you can pick whichever angel you wish and set it equal to 60 to find the value of x

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Alborosie

Answer:

2-sqrt14/2, 2+sqrt13/2.

Step-by-step explanation:

What you do is you have to do the quadratic equation like it says in the problem.

x=  −b± sqrtb^2 −4ac /2a .

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x=-4±sqrt(4)^2-4(-2)(5)/2(-2).

x=-4±sqrt16+40/-4.

x=-4±2sqrt14/-2.

2-sqrt14/2, 2+sqrt13/2. is your answer once you have done everything.

​  

​

6 0
3 years ago
Arianna is working two summer jobs, making $6 per hour walking dogs and making $10 per hour tutoring. In a given week, she can w
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Step-by-step explanation:

x = number hours dog walking

y = number hours tutoring

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the solution is the common area below the first line and above the second line.

the first line is above the second line (due to the y-intercept of 11 vs. 8) until the crossing point.

for the crossing point we use the regular equations :

from the first we get

x = 11 - y

using this in the second

6×(11 - y) + 10y = 80

66 - 6y + 10y = 80

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y = 14/4 = 7/2 = 3.5

x = 11 - y = 11 - 3.5 = 7.5

so, she has to do at least 3.5 hours tutoring (and then 7.5 hours dog walking) for the minimum of $80 earning, all the way up to the maximum of 11 hours tutoring (and 0 dog walking) for $110 earning.

8 0
2 years ago
Solve -5y+6=-9 pls help me with this
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Answer:

-5y + 6 = -9

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Step-by-step explanation:

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-5y + 6 - 6 = -9 - 6

simplify

-5y = -15

divide both sides by -5

(-5y)/5 = (-15)/5

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y = 3

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3 years ago
Bruce Lovegren was born on September 27, 1950. On April 14, 1977, he purchased a $15,000 10-year term life insurance policy. Wha
telo118 [61]
Well it would be 10,000 dollars
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3 years ago
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