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r-ruslan [8.4K]
3 years ago
5

(Essential Question) How do you create equations and use them to solve problems?

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0

Answer:

Step-by-step explanation:

equations are created to solve for a certain variable. you can use the data given in the word problem to formulate a valid equation that incorporates all important components of the word problem. the variable can be represented as any letter (most commonly x or y) to find a value that is inconsistent or unknown. this is helpful to find a certain thing in the problem, such as the amount of hours needed to earn a certain amount of money.

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Lin read 44 pages in 132 minutes. Diego read 35 pages in 140 minutes. Who is reading at a faster rate, Lin or Diego? Show and Ex
Oduvanchick [21]

Answer:

Diego

Step-by-step explanation:

divide 132 minutes by 44 pages and you get 3 pages per minute, then divide 140 minutes by 35 pages and you will get 4 pages per minute. so Diego reads 1 more page a minute than lin. hope i helped you :)

5 0
3 years ago
Can you explain to me how to do number two I'm studying for a quiz and I'm stuck on this one.
Furkat [3]

we have (-3,10) and (7,4), then

\begin{gathered} (\frac{x1+x2}{2},\frac{y1+y2}{2}) \\ (\frac{-3+7}{2},\frac{10+4}{2}) \\ (\frac{4}{2},\frac{14}{2}) \\ (2,7) \end{gathered}

5 0
1 year ago
11 more than four times a number is 39
Aliun [14]

Hello!

Your answer is: 7

(X = "<em>A number</em>")

<em>"11 more than four times a number is 39"</em> in equation form is: 4X + 11 = 39

to solve, first subtract 11 from both sides:

4X = 28

then divide both sides by 4 to get:

X = 7

I hope this helps, and have a nice day!

4 0
3 years ago
Which expression shows the result of applying the distributive property to 3 (1/5x - 1/7)
Ivan

Hi,

3(1/5x - 1/7)

= 3/5x - 3/7

B

✅(◠‿◕)

3 0
2 years ago
A population of 800 spiders is decreasing at a rate of 14% each week. How many weeks will it take for the population to be half
Marrrta [24]

Answer:

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