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3 years ago

Identify each coefficient. 1) 8x = 2) 3m = 3) y = 4) 14t =

Mathematics

1 answer:

777dan777 [17]3 years ago

6 0

1)8
2)3
3)1
4)14
the coefficient is the number in front of the variable

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Estimate the line of best fit using two points on the line.

mash [69]

Answer:

B. y = -2/3x + 12

Step-by-step explanation:

Formula to find the slope when given two points on a line:

y2 - y1

x2 - x1

Substitute the two given points (6, 8) (9, 6):

6 - 8

9 - 6

Slope = -2/3x

We found the slope! And the answer choices already gave us one y-intercept, which is 12. The last thing we do is we form an equation with the information we solved and that was given to us.

y = slope (x) + y-intercept

y = -2/3x + 12

The answer choice that matches this equation is B.

In conclusion, the equation that best estimates the line of best fit shown above is answer choice B.

5 0

3 years ago

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Use the Distributive property to rewrite each algebric expression.

madreJ [45]

You're basically multiplying the number and the variable with the number on the outside of the parenthesis.

So, 8(x + 7). You multiply 8 and the variable to get 8x. The same with '7'.
8 times 7 is 56.

Answers:

A) 8x + 56

B) 66 + 6x

C) 8x + 8

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4 years ago

What is 30 percent of 60

Naily [24]

Answer: 18

Step-by-step explanation: Well percent means over 100 so we can set up an equation for this problem by reading it from left to right.

What means x, is means equals, 30% is 30/100, of means times 250.

Simplifying on the right side of the equation,

notice that 30/100 reduces to 3/10.

So we have x = 3/10 · 60. Think of the 60 as 60/1 so we can cross-cancel the 60 and 10 to 6 and 1 and we have x = $\frac{(3)(6)}{(1)(1)}$ or x = 18.

Now let's check our answer back in the original problem to see if it makes sense. We have 18 is 30% of 60.

Well we know that 100% of 60 would be 60 so 30% of 60 should be alot less than 60 so 18 seems to make sense as a pretty good answer.

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3 years ago

Find the solution to the system of equations,

olya-2409 [2.1K]

A is the answer :)
Since we are given z = 8, finding y is simple.
By replacing the z in y + z = 11, we can see that y = 3
After finding these two, x can be found

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3 years ago

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Abby is touring China for four days. the car rental is 38.15 per day plus 12 1/2 cents per mile. if Abby drives 380.5 miles how

pickupchik [31]

Hi there!

First, you do first 4x38.15=152.60 then you do 0.12.50x380.50=47.56 then you add total of the result that is how much she own the rental company.

sorry my finger touch the reported button sorry about that.

Hope it was helpful

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3 years ago

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