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Ksju [112]
3 years ago
5

( middle school 5th grade ) The plot below shows the amount of time spent on 5 math problems. If the total amount of time spent

on all 5 problems was redistributed so the same amount of time was spent on each problem , how many minutes would each problem take ? All measurements are rounded to the nearest 1/4 minute.
Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0

Answer:

I think it is 1 and 1/4 minute but I am not sure what you mean

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Solve by substitution x-y=12 x+y=18
slamgirl [31]
X = y + 12. You then substitute or plug in that from the first equation into the second equation. You get (y+12)+y=18, then you simplify to get your y value. In this case y = 3. The you can plug your y value into either equation. (x+3=18) or (x-3=12) or (x=3+12) either way you get x=15 and y=3.
3 0
3 years ago
how do I do this? I think I solved for z=24 but i'm not totally sure. I'm confused on how to solve for x and y mostly. We are us
Yuri [45]
The answer would be 21 because its the same length as the other side. 
5 0
3 years ago
Will give brainliest
posledela

Answer:

I think its the lifo method im not sure but i had a question like this in class

5 0
1 year ago
I'm marking brainiest if you help me :)
inn [45]

Answer:

the possible line of best fit equation is;

y = 10x + 24

Step-by-step explanation:

Here, we want to get the approximate line of best fit

Mathematically, we have the general line of best fit as

y = mx + b

where m is the slope and b is the y-intercept

By joining the given lines, we can see that the y-intercept values fall a little below 30

This means that the possible y-intercept value is 24

Now, to get the slope value, we select any two points and use the slope equation

We can have (3,50) and (6,80)

Using the slope equation;

m = (y2-y1)/(x2-x1) = (80-50)/(6-3) = 30/3 = 10

The equation is thus;

y = 10x + 24

8 0
3 years ago
Foxy used a calculator to evaluate (18+)x(49-39)-63•9 by entering C 18 +2*15-7
strojnjashka [21]
Ok what else before I can help
4 0
3 years ago
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