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My name is Ann [436]
3 years ago
9

In one season,Kim ran 18 races. This was four fewer races than twice the number of races Kelly ran. How many races did kelly run

?
Mathematics
2 answers:
Furkat [3]3 years ago
5 0

Answer:

11 races

Step-by-step explanation:

The reason being that 18 is 4 less than twice the number Kelly ran. 18+4=2x when x equals the races Kelly ran. so, 18+4=22 so 22=2x. if you divide each side by 2, you get 11=x. so, kelly ran 11 races

Svet_ta [14]3 years ago
4 0

Answer:

44

Step-by-step explanation:

18+4=22 time 2 =44

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C

Step-by-step explanation:

16's square root is 4

8 0
3 years ago
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Whats the answer to these? (These are called Proper fractions.)
Darya [45]

Answer to the first question: 7/10ths of a mile

Explaination: When adding fractions, you need to have a common denominator. Since dividing 3/10 by 2 to get a denominator of 5 makes 3 a decimal, it's easier to multiply 2/5 by 2 to get a denominator of 10. You do the same to the top that you do to the bottom: \frac{2*2}{5*2} = \frac{4}{10}. From there, just add 4/10 and 3/10 to get the answer: 7/10ths of a mile.

Answer to the second question: Daniel read three (3/10) more books

Explaination: Since you can't evenly multiply 5 or 2 to get the opposite number, it's easier to multiply to the lowest common multiple. The easiest way to find that is to multiply both denominators (5*2=10). You'll have to multiply the numerator by the same amount you multipled the denominator by. For Daniel, that would mean: \frac{4*2}{5*2} = \frac{8}{10}. For Edgar, that would mean: \frac{1*5}{2*5} = \frac{5}{10}. So, Daniel read 3 more books than Edgar.

Answer to the third question: 2/4 mile (or 1/2 a mile)

Explaination: 2/8 can be simplified, by dividing the top and bottom by 2, resulting in 1/4. Since both fractions have the same denominator (/4), you can add them to get 2/4ths. This can be simplified further to half (1/2) a mile.

5 0
3 years ago
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Which rule can be used to find the output numbers in this table?
Anton [14]
A. Multiple the input by 11.
7 0
3 years ago
Find the slope and y-intercept<br> 4x+2y=-6
EleoNora [17]
<span>4x+2y=-6
2y = -4x - 6
  y = - 2x - 3
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</span><span>y-intercept when x = 0
so y = -3

answer
slope = -2
</span><span>y-intercept (0,-3)</span>
8 0
3 years ago
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1. Jane went shopping and bought a shirt for $27, a skirt for $32, and a pair of shorts for $14. Choose the answer that is the b
Natasha2012 [34]

Answer:

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Step-by-step explanation:

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Now add the Ones: 7 + 2 + 4= 13

now add them all together: 60+13=73

so the best estimate is 70

                                         Your Welcome

5 0
3 years ago
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