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malfutka [58]
3 years ago
10

If (-7,43) and (4,-12) are two anchor points on the trend line, then find the equation of the line

Mathematics
1 answer:
Romashka [77]3 years ago
8 0
Slope, found using the points is -55/11 = -5
We use that for the equation y=mx+b where m=-5. Since we also know one of the points, we can plug that in and find b
-12=-5(4)+b
-12=-20+b
8=b

So the equation of the line is y=-5x+8
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23 ones times 2 tens
grandymaker [24]

Answer:

460

Step-by-step explanation:

23x20=460

3 0
2 years ago
Read 2 more answers
Not sure how to do this
OLEGan [10]
It's pretty simple! So it looks like you are learning proportions. You would cross multiply to achieve your answer. 

First, let's do your first problem: 

2     12
--- = ----
5       n 

You would take 5 and multiply it by 12 and get 60! Then you would do the same with 2 times n, giving you 2n (because you do not know what n represents YET.) 

Now you should have this:
60=2n OR 2n=60

We must isolate our variable, in order to do that, get rid of two! But how? You would do this by dividing 2n by 2. Yet in equations, when you do something to one side, you must do it to the other because they must be EQUAL! (hence the "equa-" in equation) 

2n=60
---   ---
2      2  DIVIDE 2 into 60
----------
n= 30   Simplify! 

Your final answer for the first question is n= 30! 



8 0
3 years ago
Malik earned d dollars raking leaves. His friend, Isaiah, earned
erastova [34]

Answer:

d=3d-5 or the other way around

p.s mark me as brainlist if correct

3 0
3 years ago
Martina chose a random sample of 10 bags of candy from two different Brands, A and B. All bags in the sample are the same size.
weqwewe [10]

B. The number of candies in the bags from Brand B is greater and less consistent than the number of candies in the bags from Brand A.

4 0
3 years ago
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Graph the inequality.<br> -6 ≤y + 2x &lt; 15
omeli [17]

Inequalities help us to compare two unequal expressions. The correct option is B.

<h3>What are inequalities?</h3>

Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed. It is mostly denoted by the symbol <, >, ≤, and ≥.


The given inequality -6 ≤y + 2x < 15 can be broken into two small inequality, as shown below.

  • -6 ≤y + 2x
  • y + 2x < 15

Now, if we plot the inequality as shown below, then the area in which both the shaded region overlap is the area of the this inequality.

Hence, the correct option is B.

Learn more about Inequality:

brainly.com/question/19491153

#SPJ1

6 0
2 years ago
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