algebra
2(x + 11) = 132 You can use any letter for "a number"
math
You are able to combine any of the letters that are the same. For example, 5j + j = 6j. IF it has no variable (or letter) in front of it, you cannot combine it with anything that has a letter. For example, in your last problem, you can combine the 20 with the -14, the 8s with ...
Math
2/5.50 = 5/x 5.50 x 5 = 27.5 27.5 divided by 2 will gove you your answer.
Math
You need to convert either hours to minutes OR minutes to hours. In this case, it will easier to convert you minutes to hours, but that will give you a decimal so we will change Marc to minutes (so multiply 3 x 60). You must then reduce to lowest terms to get you answer. Be su...
history
It was the 19th amendment which passed in 1920.
math
Yes, two rays can intersect. Their intersection will be a point.
math
To find the mean(or average), add all of the numbers together and divide by 4. To find the median, put the numbers in order from smallest to largest. When you have four numbers (or any even number), take the middle two numbers and add them together then divide by 2. Hope this ...
algebra
-7q + 2 = 11q - 8q -7q + 2 = 3q -7q + 7q = 2 = 3q + 7q 2 = 10q divide both sides by 10 and reduce 8(j - 3) = 4j + 9j - 14 8j - 24 = 13j - 14 8j - 24 + 14 = 13j - 14 + 14 8j - 10 = 13j 8j - 8j - 10 = 13j - 8j -10 = 5j divide both sides by 5 and reduce to solve for j
math
Your last two look right, but let's look at the first two. First, it's much easier if you have all of you units the same...so turn everything into seconds. We're looking for 2 hours. Since there are 60 sec in a minute and 60 minutes in an hour (times 2 hours), ther...
arithmetic
I interpreted this question differently than Tim. Here's what I came up with: 7 girls x 2 legs each = 14 legs If each girl has 7 backpacks and there are 7 big cats in each....49 backpacks x 7 cats=343 big cats. Then, there are 7 little cats for each big ...343x7=2401 littl...
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