SIMPLE GRAPHING EQUATION (CORRECT ANSWER = BRAINLIEST, THANKS, 5 STAR, AND A COMMENT + THE POINTSFind the value of “b” so that the slope of the line passing through the points A(5, –8) and B(–1, b) is –2.
Answers
Answer:
b=4
Step-by-step explanation:
For this question we need to know the formula of slope that is m which is
where are the points
respectively
and hence we have the value of m= -2 which is the slope we simply plug in all the values.
So the value of b=4
Answer:
b is 4
Step-by-step explanation:
Several steps are required to find this answer. You need to use the information you are given as well as the formula y=mx+b. You are given the slope and one of the coordinates. Plug the information into the formula to find b, which is the constant.
The point given is (5,-8)
The slope given is -2
Plug the x and y into y=mx+b
-8=-2(5)+b
-8=-10+b
-8+10=b
b=2
Now that you have the full equation, y=-2x+2 , you can plug in the x-coordinate of the other coordinate to find the missing y-value.
y=-2(-1)+2
y=2+2
y=4
Therefore, the b you are solving for is 4.
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An aptitude test has a mean score of 80 and a standard deviation of 5. The population of scores is normally distributed. What raw score corresponds to the 70th percentile?
What would the measurement at the top be?
Answers
Answer:
see below
Step-by-step explanation:
9 x 8 = (10 x 8) - ( blank x 8) =80 - blank = blank
We are replacing 9 with 10 minus something
9 = 10 -1
9 x 8 = (10 x 8) - ( 1 x 8)
80 - 8
72
Answers
Answer:
158.993
Step-by-step explanation:
We have to find the standard deviation of the sampling distribution of the means.
We are given that population standard deviation=σ=2248.5 and sample size=n=200.
Standard deviation of sampling distribution of means=σxbar=σ/√n
σxbar=2248.5/√200
σxbar=2248.5/14.1421
σxbar=158.993
Thus, the standard deviation of the sampling distribution of the means is $158.993.
Answers
Answer:
6.5 minutes
Step-by-step explanation:
Answers
Answer: C
Step-by-step explanation:
Answer:
Answer: C
Step-by-step explanation:
When looking at the whole number, You always want to look at the tenths place to see of it's 5 or higher.
Answers
Answer:
112
Step-by-step explanation:
Difference between each 4,8,7,5,1
Add numbers next to each other in pairs = 12
So 12-1= 11 and
101+11=112
Answers
Answer:
The answer is 17.02, to the nearest tenth is 17.
Step-by-step explanation:
Under the radical, that us take the square root of the following sum:
(Jx - Cx )^2 + (Jy - Cy)^2
Substitute in the values:
(6 - (-7))^2 + (2 - (-9))^2 =
This becomes:
(6+7)^2 + (2 + 9)^2 =
13^2 + 11^2 =
169 + 121 =
Sqrt 290 =
17.029 = To the nearest 10th is 17