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shtirl [24]
4 years ago
15

Please explain!!! This assignment is already very late because I don’t know how to do this!

Mathematics
1 answer:
balu736 [363]4 years ago
6 0
Hey! I can explain exactly how to do this. First off, we need to find slope to do slope intercept form, y = mx+b. To do this, we need two points, and use the formula y2-y1/x2-x1. Because I can't see the points clearly, I can give you an example. If we had (3,5) and (5,6), we would have 6-5/5-3, getting us 1/2 as our slope. Next, we need the y-intercept, or b. The way we find it is we see at which point does the like cross the y axis, the one that goes up and down. This point will always be (0, and then the y value) as there is no x value. Make sure to do this for all of these, and always write it in slope intercept. Message me if you need any more help! I'm here if you need me.
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HEY CAN ANYONE ANSWER DIS!!
blsea [12.9K]

Answer:

  • Option C

Step-by-step explanation:

From the table we can see that

<u>The rate of change is (slope)</u>

  • $90 - $65 = $25

<u>Zero point (y-intercept) considering same rate is </u>

  • $65 - $25 = $40

<u>The rule for the total cost is:</u>

  • y = mx + b
  • y = 25x + 40

Correct option is C

6 0
4 years ago
The heights of American men are normally distributed. If a random sample of American men is taken and the confidence interval is
solmaris [256]

Answer:

<h2>69.5</h2>

Step-by-step explanation:

Given the confidence interval of the heights of american heights given as (65.3,73.7);

Lower confidence interval L = 65.3 and Upper confidence interval U = 73.7

Sample mean will be the average of both confidence interval . This is expressed mathematically as \overline x = \frac{L+U}{2}

\overline x = \frac{65.3+73.7}{2}\\\overline x = \frac{139}{2}\\\overline x = 69.5

Hence, the sample mean is 69.5

7 0
3 years ago
Solve 32+6•5-7+12 divided by 4
Kobotan [32]

Answer:

67

Step-by-step explanation:

First multiply, then do addition and subtraction in order from left to right

6 0
4 years ago
Read 2 more answers
A rectangle has a height of 5 inches and a area of 35 squared inches what is the length of the base of the rectangle? Please hel
DerKrebs [107]

Answer:

The length of the base of the rectangle is 7 inches

Step-by-step explanation:

The Area of the rectangle can be found out by multiplying length with the breadth

Area= length *  breadth

35 squared inches= x *5

5x= 35

x= 35/5

x= 7inches

Hence the length of the base of the rectangle is 7 inches.

If the area and one side are known then we can simply find the 2nd side by simply substituting x in its place and solving the equation.

4 0
3 years ago
Please help me. This is for my math test.
Bad White [126]
13. 5
12. 25%
16. 0.40
17. 75
20. 33 1/3%
21. 7.5
22. 87.5%
23. $200
15. 0.98 or 98%

We hope this helps.
3 0
4 years ago
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