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Aneli [31]
3 years ago
13

How to solve it this equation

Mathematics
1 answer:
Stells [14]3 years ago
5 0
You will divide eveything by 6 
you will end up with
n^2-3-4 \\
(n -4) (n-1) \\
n = 4 \\
and \\
n = 1
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4 divided by 68 with remander
Studentka2010 [4]

Answer:

4÷68=1/17 is correct answer

7 0
3 years ago
Read 2 more answers
Jack spends 1 1/2 as long on his homework as Jill. Last week Jill spent 9 1/2 hours doing homework. How long did Jack spend doin
alina1380 [7]
The amount of time Jill spent to do her homework 
= 9 1/2 hours. which equals to  570 minutes.

Which means, the amount of times Jack needed to do his is 
= 570 minutes x 1.5
= 855 minutes which equals to 14 1/4 hours

hope this helps
7 0
3 years ago
-3.75+2(-4x+6.1)-3.25
Pani-rosa [81]

The value of x is 0.65

<u>Step-by-step explanation:</u>

This solution is given by solving the given problem using BODMAS rule.

This means that the steps to be followed to find the solution should be in the order of BODMAS rule.

B- Bracket, O- of, D- Division, M- Multiplication, A- Addition, S- Subtraction.

This rule states that the 1st operation must be done for Brackets.

⇒ -3.75+2(-4x+6.1)-3.25 = 0

⇒ -3.75 -8x + 12.2 -3.25 = 0

The addition operation should be performed next and then followed by subtraction.

⇒ -8x -7+ 12.2 = 0

<u>To find the value of x :</u>

Keeping the x term alone on one side and moving the constants on other side,

⇒ -8x = -12.2 + 7

⇒ -8x = -5.2

⇒ x = 5.2/8

⇒ x = 0.65

3 0
3 years ago
Kelli and Karl each have a job. Kelli earns $20 an hour. She also receives a $100 weekly bonus. 
ad-work [718]
Equation for Kelli's earning = 20x + 100
Equation for Karl's earning = 25x + 50

Now, 20x +100 = 25x +50
25x-20x = 100-50
5x = 50
x = 10

So, your answer is 10 hours.

Hope this helps!
7 0
3 years ago
Read 2 more answers
What is 5 and 9/10 in expanded form
vlabodo [156]
The number 5 9/10 is the equivalent as to writing 5.9. And so in expanded form, it would look like this: 5 + 0.9
3 0
3 years ago
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