MATHEMATICS HIGH SCHOOL

What is the slope of a trend line that passes through the points (1, 3) and (10, 25)?

Answers

Answer 1
Answer:

Answer:

slope of a trend line that passes through the points (1, 3) and (10, 25) is  (22)/(9)

Step-by-step explanation:

Formula of slope(m) for two points is given by:

\text{Slope}(m) = (y_2-y_1)/(x_2-x_1)

Given the two points:

(1,3) and (10, 25)

Substitute these points in the given formula we have;

m = (25-3)/(10-1)

Simplify:

m = (22)/(9)

Therefore, the slope of a trend line that passes through the points (1, 3) and (10, 25) is  (22)/(9)

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According to a survey, 67.5% of Californians prefer hot weather over cold weather. Let X = number of Californians in a sample of 19 who prefer hot weather over cold weather. What is the probability that at least 16 Californians prefer hot weather over cold weather? O 0.9098 O 0.0902 0.0284 0.0618

Answers

The correct option is 0.9098. The probability that at least 16 Californians prefer hot weather over cold weather is 0.9098.

According to a survey, 67.5% of Californians prefer hot weather over cold weather. Let X = number of Californians in a sample of 19 who prefer hot weather over cold weather. Then, the probability that at least 16 Californians prefer hot weather over cold weather can be calculated by using the cumulative binomial probability formula. Let X = the number of Californians in a sample of 19 who prefer hot weather over cold weather.

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**For this question: you just have to come up w/ an equation.Jared has $3.85 in dimes and quarters. There are 25 coins in all. How many of each type of coin does he have?
Variables are: d (for dimes) and q (for quarters)

Answers

There's two actually.
0.25q + 0.10d = 3.85
q + d = 25

The number of cell phones sold by a store on consecutive days of a month is shown below:25, 13, 16, 34, 13, 31, 16, 34, 19, 22, 13, 28, 19, 16, 22, 16, 13, 16, 13, 16

Sam created the following incorrect dot plot to represent the data:


What should Sam do to make the dot plot correct?

Put another dot on 13
Put another dot on 16
Delete one dot on 22
Delete one dot on 34

Answers

B. Put another dot on 16

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PLEASE ASAP.. what is the volume.? Show your work

Answers

Step-by-step explanation:

The length, breadth and height of the solid is not equal, so it's a cuboid

Volume of a cuboid is calculated by productoflength,breadthandheighti.e. V = lbh.

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Please, help, this is for my best friend! I will mark Brainliest.

Answers

Answer:

y = - (3)/(20) x + 900 \n \n y = - (20)/(3) x + 6000

Step-by-step explanation:

\n part \: a. \:( food \: expenses) \n to \: solve \: these \: problems \: we \: surmone \n \: the \: following \: laws : \to \nm = ( y_(2) -y_(1) )/(x_(2) - x_(1)) = (815 - 812)/(390 - 410) = - (3)/(20) = - 0.15 \n the \: general \: slope \:i ntercept \: form \: is : \n y = mx + c \n to \: find \: c \: lets\: insert \: any \: two \: pairs \: for \: x \: and \: y \to \n 812 = - (3)/(20) (410) + c \n 16,240 = - 3(410) + 20c \n c = (1747)/(2) \n c = 873.5 \n \n therefore \: y = - (3)/(20) x + 900 \: (i.e \: to \: he \: nearest \: thousand). \n \n \n part \: b. \: (medical \: expenses) \n to \: be \: able \: to \: solve \: these \: problems \: we \: surmone \n \: the \: following \: laws : \to \nm = ( y_(2) -y_(1) )/(x_(2) - x_(1)) = (390 - 410)/(815 - 812) = - (20)/(3) = - 6.667 \n the \: general \: slope \:i ntercept \: form \: is : \n y = mx + c \n lets \: find \: c \: by \: insert \: any \: two \: pairs \: for \: x \: and \: y \to \n 410 = - (20)/(3) (812) + c \n 1230 = - 20(812) + 3c \n c = (17470)/(3) \n c = 5823.3333 \n \n therefore \: y = - (20)/(3) x + 6000 \: (i.e \: to \: he \: nearest \: thousand). \n \n

Answer:

y= -3/20x+90

y= -20/3x+6000

Step-by-step explanation:
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