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ipn [44]
3 years ago
13

Variable a is 4 more than variable b. Variable a is also 1 less than b. Which of the following pairs of equations best models th

e relationship between a and b?
a = b + 4
a = b − 1
a = 4b
a = b + 1
b = a + 4
b = a − 1
b = 4a
b = a + 1
Mathematics
1 answer:
Elis [28]3 years ago
4 0
B=a+4 that is what the answer will be.
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Harrizon [31]
Yea this how is done
6 0
3 years ago
Use technology to find points and graph the line -4y=-x+20<br><br> plotting on a graph
valina [46]

Step-by-step explanation:

First we need to isolate the y, by dividing -4 on both sides. This will give you y = 1/4x - 5.

Now you can properly graph the equation:

Since -5 is the y-intercept (the point in which the line intercepts the y-axis), we will place our first point at (0,-5) on the graph.

In order to find the next point, we will use the slope of the line and do rise/run. So we will go upwards 1 unit and to the right 4 units.

(Image of graph will be attached above⤴⤴⤴)

Hope this helps you :)

5 0
2 years ago
Select all expressions that represent the area of the given triangle
Mice21 [21]

Answer:

A=1/2(12x16)

Step-by-step explanation:

because it's the area of the square divided by two

3 0
3 years ago
The graph of the derivative of a function f crosses the x-axis 3 times. What does this tell you about the graph of f ?
expeople1 [14]

Answer:

D. The function f has 3 horizontal tangent lines

Step-by-step explanation:

Well whenever any function crosses the x-axis, it means that the y-value is equal to zero.

In this case when the derivative passes the x-axis it indicates the tangent line corresponding to that x-value has a slope of zero, which when plotted is a horizontal line.

This means that the graph f has 3 horizontal tangent lines.

7 0
1 year ago
Read 2 more answers
Let X denote the total snowfall in the Twin Cities in December of a given year, measured in centimeters. The five-number summary
Gre4nikov [31]

Answer:

Concept: Caclulating Standard Variables

  1. We have a five number summary which is more than enough information to calculate our mean.
  2. The mean is the sum of all the numbers divided by the nth number of numbers.
  3. Note that we can only find a rough estimation not the EXACT value
  4. We do (min +max + 2(Q1+median+Q3))/8
  5. Now let's plug in our values!
  6. (0+85.3+2(8.4+17.4+30.9))/8
  7. Which gives us option B
  8. Hope this helps, give brainlist

3 0
3 years ago
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