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mamaluj [8]
2 years ago
10

15. Mary was given data comparing students’ mark in math class and the number of classes missed. She plotted the data on the gra

ph below and drew a line of best fit. Do you agree with Mary’s drawing of the line of best fit? Justify your answer. PLEASE HELP ITS RLLY IMPORTANT

Mathematics
1 answer:
Lemur [1.5K]2 years ago
5 0
Answer:

I dont know

Step by Step Explanation:

nobodys helping me out 0.1
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Simplify: 3x(x^2 + 4x - 5)
Alina [70]

Answer:

3x^3+ 12x^2-15x

Step-by-step explanation:

First, you would have to distribute the 3x to everything in the parentheses. So you can write it out as (3x*x^2)+(3x*4x)+(3x*5). Solving this will give you the answer. We'll start off with (3x*x^2). Because we are MULTIPLYING, this part will equal to 3x^3. There is ONE x with 3x (think of it as 3x^1) and 2 x's in x^2, having a total of 3 x's, or x^3. Since the 3 is being multiplied as well, we can write it as 3x^3.

Second, we will solve (3x*4x). We are multiplying, so first we multiply 3*4 and then x*x. 3*4 is 12 and x*x is x^2.  There are 2 x's being mutipled by each other, so the x becomes squared. Now we finish and multiply 12*x^2 wich is 12x^2.

Lastly, we solve (3x*5). 3x is being multiplied 5 times which gives us 15x.

I hope this helped :)

3 0
3 years ago
What is the integer for -22 + (-16) =
natka813 [3]

Answer:

-38

Step-by-step explanation:

4 0
3 years ago
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LET me know how you got the answer
andre [41]

6/2*3 / 3(3)

First simplify the numerator: 6/2*3 = 3*3 = 9

Next simplify the denominator: 3(3) = 3*3 = 9

So you have 9/9, which equals 1.


The 3rd answer is correct.

6 0
3 years ago
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What are two different ways of factoring -3x - 9? Select all that apply.
sergiy2304 [10]

Answer:

The correct answer is A and C.

5 0
2 years ago
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To find the weight of the golden 22 karat gold object
zaharov [31]
Multiply the objects weight by .917
8 0
3 years ago
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