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Nataly_w [17]
3 years ago
8

- 7.42 as a mixed number in simplest form.

Mathematics
1 answer:
Sever21 [200]3 years ago
5 0
Well first, the fraction is written 7 42/100, but 42 divided by 2 and 50 divided by 2 equal 21/50. You cannot simplify it anymore, therefore the answer in <span>simplest form is 7 21/50.</span>
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Which of the I-values satisfy the following inequality?
e-lub [12.9K]

Answer:

The answers are options A and B

First solve the inequality

7x < 21

Divide both sides by 7

That's

7x/7 < 21/7

x < 3

The values that satisfy the inequality are

1 and 2 since they are both less than 3

Hope this helps you.

5 0
3 years ago
Read 2 more answers
The total number of seats in a movie theater is calculated by adding the area of the upper section given by 8x2 and the area of
e-lub [12.9K]
8x^2+6x^2+4x=138  combine like terms on left side

14x^2+4x=138 since the number of seats in the from row is just 4x, subtract 14x^2 from both sides

4x=138-14x^2  that would be the general solution, if you wanted the actual number you would have to solve for x and then multiply that value by 4 to know what "4x" is...

14x^2+4x-138=0

14x^2-42x+46x-138=0

14x(x-3)+46(x-3)=0

(14x+46)(x-3)=0

2(7x+23)(x-3)=0, since x>0

x=3 and thus

4x=12 seats

So there are 12 seats in the front row addition.


3 0
3 years ago
The value of a car depreciates every year at a constant rate. Gary bought a car for $25,000 in the year 2013. If the value of th
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In 2017 the car would be worth $10,000 after deprecating by 15% annually
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5 0
3 years ago
Read 2 more answers
1. What is the solution to the equation<br> below?<br> -5/4x + 2/5 = -13/30
Artemon [7]

Answer:

2/3 or .6 repeating

Step-by-step explanation:

6 0
3 years ago
David's bowling score is 6 less than 2 times Aaron's score. The sum of their scores is 84. Find the score of each student. Use t
Y_Kistochka [10]

Answer:

Aaron's bowling score is 30

David's bowling score is 54

Step-by-step explanation:

The variable representing Aaron's score is = a

The variable representing David's bowling score = d

The sum of their scores is 84.

= a + d = 84...... Equation 1

David's bowling score is 6 less than 2 times Aaron's score.

d = 2a - 6

Substituting 2a - 6 for d in Equation 1

a + 2a - 6 = 84

3a - 6 = 84

3a = 84 + 6

3a = 90

a = 90/3

a = 30

Hence, Aaron's bowling score is 30

d = 2a - 6

d = 2(30) - 6

d = 60 - 6

d = 54

David's bowling score is 54

8 0
3 years ago
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