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mixer [17]
3 years ago
12

How do I get X for this question?​

Mathematics
1 answer:
exis [7]3 years ago
7 0

Answer:

The value of x is 12

Step-by-step explanation:

To find the value of x, we need to note that the interior angles are equal to 180. We also know that angle R is equal to 180 - (8 + 6x). So we can add all of this together and set equal to 180.

180 - (8 + 6x) + 4x + 2 + 30 = 180

180 - 8 - 6x + 4x + 2 + 30 = 180

-2x + 24 = 0

-2x = -24

x = 12

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Mr. Kohl has a breaker containing n milliliters of solution to distribute to the students in his chemistry class. If he gives ea
77julia77 [94]

Answer:

There were 26 students in his class and the teacher had 83 ml of the solution.

Step-by-step explanation:

Mr. Kohl has a "x" amount of solution, if he divides it by the number of students "n" he'll give each student 3 milliliters  and have a left over of 5 milliliters. If the amount of solution Mr. Kohl had was "x + 21" then he'd be able to give each student 4 milliliters of the solution. From these informations we have:

x = 3*n + 5

(x + 21)/n = 4

x + 21 = 4*n

x = 4*n - 21

Now that we have two equations and two variables we can solve the system of equations, as seen bellow:

3*n + 5 = 4*n - 21

3*n - 4*n = -21 - 5

-n = -26

n = 26

x = 4*26 - 21 = 83 ml

There were 26 students in his class and the teacher had 83 ml of the solution.

3 0
2 years ago
Work out and simplify where possible <br><br> a) 2/5+1/3<br><br> b) 5/9-1/2
Vlad1618 [11]
The answer is
a) 11/15
b) 1/18
5 0
3 years ago
The entertainment committee voted to hire a DJ for the school dance. The DJ
nydimaria [60]
A 4 hours

This is because if you create the equation using $75 which is the starting fee and then $30 for every hour of playing music.

Equation: 75+30h<200
You subtract 75 from 200 and the divide that number by 200 you will get a decimal but you look at your answer choices and choose the closest number to your answer.
8 0
3 years ago
Read 2 more answers
Can someone help me please!!​
Lynna [10]

Answer:

b because the value are correct

Step-by-step explanation:

8 0
3 years ago
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Matt bought a home in 2001 and paid $150,000 for it. He sold the home for $450,000. How much of the profit on his home will be t
butalik [34]

Answer:

profit to be taxable will be  $300,000

Step-by-step explanation:

Matt home cost = $150,000

Matt sold his home for = $450,000

so,

cost price will  be  $150,000

selling price will be $450,000

         profit = selling price - cost price

         profit  =  $450,000  -  $150,000

         profit  =  $300,000

hence the taxable amount for his home this year will be $300,000

7 0
3 years ago
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