Answer:
3y - 16x = -40
Step-by-step explanation:
Given the coordinate points (4,8) and (1, -8).
The point slope form of the equaton is expressed as;
y - y0 = m(x-x0)
m is the slope
(x0, y0) is the point on the line
Get the slope
m = -8-8/1-4
m = -16/-3
m = 16/3
Get the required equation using the point (1, -8)
y - (-8) = 16/3 (x-1)
y+8 = 16/3 (x-1)
3(y+8) = 16(x-1)
3y + 24 = 16x - 16
3y - 16x = -16 - 24
3y - 16x = -40
Hence the required equation is 3y - 16x = -40
!!!!!!!!!!!!!!!!!!!!help me
Answer:
pretty sure its 75
Kimberly has $80. She wants to purchase a school bag for $16 and as many pairs of shoes as she can. Each pair of shoes is $8. Write an inequality for the number of school shoes she can purchase.
A. 16x + 8 ≤ 80
B. 80 + 16 ≤ 8x
C. 16x + 8x ≤ 80
D. 8x + 16 ≤ 80
Answer:
D
Step-by-step explanation:
Patrick is reading a book about the history of baseball. The book is 210 pages long; 140 of the pages have illustrations on them. If Patrick opens the book to a random page, what is the probability that the page will have an illustration on it?
Answer:
Probability: 140/210= 14/21Extra Points and brainliest! Question below
Answer:
14 one fourths
Step-by-step explanation:
First, we convert 7/2 into a fraction with the denominator of a four. To do this, we multiply the top and bottom by 2. 7*2 is 14, and 2*2 is 4, which gives us 14/4. This means that there are 14 one fourths in 7/2. Hope this helps!
Answer:
14 fourths
Step-by-step explanation:
Hey There!
So to solve this problem we need to divide 7/2 by 1/4
[tex]\frac{7}{2}divided by\frac{1}{4} =14[/tex]
Therefore 14 fourths can go into 7/2
-7( 2y - 3x + 9 ) =
Plz help
Answer:
21x - 14y - 63
Step-by-step explanation:
Rearrange the terms so it's: -7(-3x + 2y + 9)
Then distribute it and you have your answer, unless you know what x and y are
Based on the scatterplot below what is the most likely value for pounds of apples phone number of Apples is 60
Help me out thanks !!!!!
Answer:
B) ∠SBY = 117°
Step-by-step explanation:
interior angles in a pentagon = (5x180) - 360 = 540°
each angle = 540/5 = 108°
interior angles in a octagon = (8x180) - 360 = 1080°
each angle = 1080/8 = 135°
∠SBY = 360 - 108 - 135 = 117°
Can you help me on question nine please?!
Answer:
24
Step-by-step explanation:
plug in 2
2^3+7(2)+2
2×2×2+14+2
8+14+2
24
I have a rectangular prism 9 ft 15 ft by 8 feet I need to find the surface area and the volume
Answer:
Step-by-step explanation:
A=2(xy+xz+yz) where x,y,z are its dimensions
A=2(9(15)+9(8)+15(8))
A=2(135+72+120)
A=2(327)
A=654ft^2
V=xyz
V=9(15)8
V=1080ft^3
Hi. I need help with math. 8th grade.
Answer:
260 is the answer. jjrjejjehene
please helppp!!!!!! im giving all my points left
A teacher wants to compare how two classes have performed on a test they have taken. Should the teacher report the test mean or the test median? Which measure might describe the data set better? Why?
Your response should be 3-5 sentences long.
Answer: median
Step-by-step explanation: In this situation the mean is widely preferred as the best measure of central tendency because it is the measure that includes all the values in the data set for its calculation
if f(x) =2((x)), find f(-1/4)
Answer:
Combine
f and 1/4.
and u get - f/4
Step-by-step explanation:
Answer:
-1/2
Step-by-step explanation:
2(-1/4)
a company that sells annuities must base the annual payout on the probability distribution of the length of life of the participants in the plan. suppose the probability distribution of the lifetimes of the participants in the plan is approximately normal with mean equal to 66.3 years and standard deviation equal to 3.6 years. nine participants are randomly selected. what is the probability that the average age at death of these nine participants will exceed 68 years
Answer:
0.0778 = 7.78% probability that the average age at death of these nine participants will exceed 68 years
Step-by-step explanation:
To solve this question, we need to understand the normal probability distribution and the central limit theorem.
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
Approximately normal with mean equal to 66.3 years and standard deviation equal to 3.6 years.
This means that [tex]\mu = 66.3, \sigma = 3.6[/tex]
Sample of 9:
This means that [tex]n = 9, s = \frac{3.6}{\sqrt{9}} = 1.2[/tex]
What is the probability that the average age at death of these nine participants will exceed 68 years?
This is 1 subtracted by the pvalue of Z when X = 68. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
By the Central Limit Theorem
[tex]Z = \frac{X - \mu}{s}[/tex]
[tex]Z = \frac{68 - 66.3}{1.2}[/tex]
[tex]Z = 1.42[/tex]
[tex]Z = 1.42[/tex] has a pvalue of 0.9222
1 - 0.9222 = 0.0778
0.0778 = 7.78% probability that the average age at death of these nine participants will exceed 68 years
Please help solve this angle problem! It is due today!
Answer:
The answer is B.
Step-by-step explanation:
Two angles that add up to 90° are called complementary angles.
Angles A and B are complimentary angles. Complimentary angles are angles which add up to exactly 90 degrees.
They are often confused with supplementary angles, but supplementaries add up to 180.
4 ft 5 ft 2 ft 6 ft 6 ft 11 ft
Answer:
34 feet
Step-by-step explanation:
I need help with this question.
9514 1404 393
Answer:
1.13 feet
Step-by-step explanation:
We know that the sine relation is ...
Sin = Opposite/Hypotenuse
so the length (L) of the ramp surface will be ...
sin(angle) = 2/L
L = 2/sin(angle)
For 18°, the ramp length will be about ...
L = 2/sin(18°) ≈ 6.472 . . . . feet
For 22°, the ramp length will be about ...
L = 2/sin(22°) ≈ 5.339 . . . . feet
The difference in lengths is about ...
6.472 -5.339 = 1.133 ≈ 1.13 . . . . feet
Solve for x in the figure below
Answer:
x=13
Step-by-step explanation:
all triangles add up to 180 so set equal to 180
77+90+x=180
solve for x
x=13
Answer:
x = 13
Step-by-step explanation:
90 + 77 + x = 180
90 + 77 = 167
180 - 167 = 13
x = 13
Plz mark as brainliest if correct! Have a nice day!!!
-Lil G
Can y’all help me on question 16?!
Answer:
[tex]e^{2} - 21[/tex]
Step-by-step explanation:
Hey there!
Let's get you your answer!
We have to multiply e by e. Then we need to subtract 21 from it. That would look like this: [tex]e^{2} - 21[/tex]
Hope that helps!
what is the value of the exponital expression below 36 1/2
Connie had some marbles. She gave 6 to Juan l. Now she has 10 marbles left. How many marbles did Connie have to start with? What equation(s) might represent this story problem?
16 marbles 16-6 since she she gave 6 and still has 10 left
A checking account contains 6,274.54.how much is left after withdrawing $385.79
Answer:
$5888.21
Step-by-step explanation:
when you see the words withdrawing remember that u always are subtracting so the equation will be 6274.54 - 385.79.
Determine whether the given value is a solution to the equation.
A. x + 15 = 10; x=5
B.m/3=11 ; m=33
C. 5n=42; x=7
Answer:
B) m/3=11 ; m=33
Step-by-step explanation:
First, I substituted in my 33 in the m in me m place. Then, divide 33 by 3 and you get 11=11, and that is a true statement. I hope this helps :)
Find sequence 10 5/22, 9, 7 17/22, ___, 5 7/22
Answer:
6⁶/11
Step-by-step explanation:
adding -27/22 to the previous number will give you the next number in the sequence
10 5/22 + -27/22 = 9
9 + -27/22 = 7 17/22
7 17/22 + -27/22 = 6 6/11
6 6/11 + -27/22 = 5 7/22
help me pleaseee! thank you!!!
Answer:
you shouldn't be cheating kid
7x2 + 4x - x2 whats the answer?!?
Answer:
14 + 2x I think
Step-by-step explanation:
Wait for more responses if needed
Answer:
[tex] {6x}^{2} + 4x[/tex]
Step-by-step explanation:
1) Collect like terms.
[tex](7 {x}^{2} - {x}^{2} ) + 4x[/tex]
2) Simplify.
[tex] {6x}^{2} + 4x[/tex]
Therefor, the answer is 6x² + 4x.
PLEASE ANSWER THIS QUESTION IS IN THE IMAGE!! DUE TODAY!
20 POINTS!
I cannot do the math on this but the answer equals to 4 and 1/14
How to get 14 equal pieces from 6.3m of cord
2/5 x 30 pls help me
Answer:
12
Step-by-step explanation:
Answer:
The answer is 12.
PLEASE HELP I WILL GIVE BRAINLIEST IF YOU GET IT RIGHT 7TH GRADE MATHH
Answer:
990
Step-by-step explanation:
(21*18*2)+(21*3*2)+(18*3*2)
=990
Robert has 7 pounds of ground beef. He is dividing the beef into burgers that are each 1/3 of a pound. How many burgers can he make