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I am Lyosha [343]
3 years ago
6

When Justin was born, he was 45.7 cm long. Now he is

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0
1.)182.8 cm tall
2.) he might be 10 years old because the height in centimeters converted into feet is 4.9
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{5x=7y<br> {x+7y=21<br><br> pls help i dnt understand this...
Alinara [238K]

Answer:

x = 7/2 y = 5/2

Step-by-step explanation:

You can either use the elimiation or adding and subtracting method to get the variables for both x & y.

Once you solved for one variable, plug in the variable you just solved back into the original equation to find the other variable.

4 0
3 years ago
Work this out by giving your answer as a fraction 2/3 - 1/2
suter [353]

When subtracting fractions, you need to make sure the denominators are the same. In 2/3 - 1/2, the denominators are different. To make them the same, find the least common denominator. In this case, the common denominator is 6

2/3 becomes 4/6

1/2 becomes 3/6

Now subtract the fractions with the common denominator

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7 0
2 years ago
Read 2 more answers
in which place is the digit in the numbers 5,341 that would be changed to form 5,841? how do the values of the two numbers compa
Akimi4 [234]

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The value of 8 hundred is 5 hundred more than the value of 3 hundred. The second number is 500 more than the first.

7 0
3 years ago
Why will percent of change always be represented by a positive number?
Murljashka [212]
Percent of change will always be positive because the change is an absolute value. As we know, absolute value is always a positive value because you don't pay attention to the direction, only the distance is important. 
3 0
3 years ago
Suppose restaurant​ A's chicken salad contains 6more grams of fat than restaurant​ B's chicken salad. Find the number of grams o
LenKa [72]

Answer:

Restaurant A: 31 grams of fat

Restaurant B: 25 grams of fat

Step-by-step explanation:

x + (x + 6) = 56\\2x + 6 = 56\\2x = 50\\x = 25

4 0
2 years ago
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