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KengaRu [80]
3 years ago
6

Can someone help me please? Thanks!! :)

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
6 0

Answer:

The answer on the top is the best line for a line of best fit because...

Step-by-step explanation:

there is a noticeable correlation in the first graph- a positive one. The line of best fit should have about the same amount of line plots on the top than on the bottom. Also, there can be a few line plots that is touching the line of best fit as well. Those line plots will be about the middle of the data and provide a good guideline to make your line of best fit the most accurate. The second graph is pretty scattered and doesn't have a clear correlation therefore having no correlation. Hope this helps!!

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Nadya [2.5K]

Answer:

Step-by-step explanation:

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3 years ago
Formulate the situation as a system of two linear equations in two variables. Be sure to state clearly the meaning of your x- an
Lorico [155]

Answer:

There are 18 nickels and 52 dimes in the jar

Step-by-step explanation:

First establish the variables of x and y

x = number of nickels.

y = numer of dimes.

Then develope the system of two linear equations with two variables.

The first equation can result from adding the number of nickels and dimes which result will be 70 coins then

x + y = 70

The second equation is related with the value, so if we multiply the number of nickels by its value and add it with the number of dimes by its value we will have $6.10 then we have:

0.05x + 0.1y = 6.10

Now we have the two equations and we are going to solve them by the elimination method

x + y = 70

0.05x + 0.1y = 6.10

We are going to eliminate x then we have to multiply by -0.05 in both sides of the first equation and we are going to leave the second equation the  same but in the first line to make easier the process.

0.05x + 0.1y = 6.10

(x+y)(-0.05) = 70*(-0.05)

0.05x + 0.1y = 6.10

<u>-0.05x -0.05y = -3.50</u>  (now do the operation)

0 +0.05y = 2.60

y = \frac{2.60}{0.05\\}

y = 52

We have 52 dimes.

Now replace in the initial equation the y value

x + 52 = 70

x = 70 - 52

x = 18

We have 18 nickels

Then in the jar we have 52 dimes and 18 nickels

5 0
3 years ago
ɢʀᴀᴅᴇ 8 ᴍᴀᴛʜᴇᴍᴀᴛɪᴄs ᴍᴇᴍᴏʀᴀɴᴅᴀᴍ ​
DIA [1.3K]

Answer:

can u attach a question its not there

7 0
3 years ago
Read 2 more answers
PLSSS I NEED HELP I’LL MARK BRAINLYESS OR WTV IS CALLED
pickupchik [31]

Answer: y= -7   y= -5   y= -3   y= -1

Step-by-step explanation:

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2 years ago
HLP WILL GIVE BRAINLIEST PROMISE!
Ivanshal [37]

Answer:

It'd be C?

Step-by-step explanation:

Well, if you turn 5/2 into a mixed number, it will be 2 1/2, and if you add 2 1/2 to 3, it would be 5 1/2, and C is the only one that shows it. Not only that, you could probably find out with common sense, because there is no subtracting in this problem, but every other answer besides C is subtracting.

Hope this helps

Bit late though lol

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3 years ago
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