PLZ HELP!!!! Explain 72. Determine the value of r so that a line through the points with the coordinates (r, 4) and (-2,3) has
slope 1/4
a. 4.5
b. 6
c. -2
d. 2
Answers
9514 1404 393
Answer:
d. 2
Step-by-step explanation:
The point-slope form of the equation for the line can make use of the given slope and point:
y -k = m(x -h) . . . . . line with slope m through point (h, k)
y -3 = 1/4(x +2) . . . . line with slope 1/4 through point (-2, 3)
Filling in the unknown point values, we have ...
4 -3 = 1/4(r +2)
4 = r + 2
2 = r
_____
Alternate solution
The way the question is worded, you seem to be expected to use the slope formula.
m = (y2 -y1)/(x2 -x1)
For the given points and slope, you have ...
1/4 = (3 -4)/(-2 -r)
-2 -r = 4(-1) . . . cross multiply
2 = r . . . . . . . . add r+4 to both sides
Related Questions
Solve for a.
5a2=980
Enter your answers in the boxes.
Answers
a^2=980/5
a=sqrt980/5
a= 14
Please help please I beg you if you love puppy’s puppy eyes please
Answers
The answer is the one that would be D is the choices were lettered: Moving the decimal point one place to the left makes the number 1/10 of its original value.
Solve for x and verify:3(x+3)-2(x-1)=5(x-5)
Answers
Answer:
x=9
Step-by-step explanation:
Distribute:
3x+9-2x+2=5x-25
Combine like terms:
x+11=5x-25
Solve:
x-x+11=5x-x-25
11=4x-25
11+25=4x-25+25
36=4x
Divide by 9:
x=9.
Hope this helps :D
Answer:
x = 9
Step-by-step explanation:
Step 1: Solve both sides by distributing the values.
3x+9-2x+2 = 5x-25
Step 2: Put the like terms together.
3x-2x-5x = -25-9-2
-4x = -36
Step 3: Divide both sides by -4 to get the value of x.
[tex]\frac{-4x}{-4}[/tex] = [tex]\frac{-36}{-4}[/tex]
x = 9
Let's verify the answer.
3x+9-2x+2 = 5x-25
3(9)+9-2(9)+2 = 5(9)-25
27+9-18+2=45-25
20 = 20
Is this a function?explain your choice.be specific by describing the domain and range values that may be problematic
Answers
Answer:
No, this is not a function because this would not pass the vertical line test in which only one y point can be on one x axis not two. As you can see, on (0,3) and (0,(-2)) are on the same x axis. So, not a function.
Which of the following is a correct equation for the line passing through the
point (-1,4) and having slope m=-3?
Check all that apply.
Answers
Answer:
A,B, AND C
Step-by-step explanation:
Max can stuff 11 envelopes per minute. Jennifer can stuff 3 envelopes every 15 seconds. Joyce can stuff 650 envelopes in one hour. Who can stuff the envelopes at a faster rate?
Answers
Max makes 11
And Joyce 10
Answer- Jennifer
The Answer:
The Step-by-step explanation:
HELLLLLLLLLLLLLLLLLLLPPPPPPPPPP
Answers
Answer:
The answer is: 2 * 8n * 8n * 8n * 8n
Step-by-step explanation:
URGENT PLEASE HELP
Approximate the logarithm using the properties of logarithms, given
logb 2 ≈ 0.3562,
logb 3 ≈ 0.5646,
and
logb 5 ≈ 0.8271.
(Round your answer to four decimal places.)
㏒b(2b^3)
Answers
Answer:
kj gfbdhngfbd
Step-by-step explanation:
Solve x2 = 144
A) x = ±12
B) x = ±72
C) x = ±288
D) x = ±20,736
Answers
Answer:
A
Step-by-step explanation:
FOR EDG!! It is not 2,3, & 5!!
Which data collections show bias? Check all that apply.
1) An English teacher polls the top-ten most avid readers to find their favorite books.
2) An insurance company polls drivers of sports cars to find their average number of tickets.
3.) A restaurant manager surveys every tenth customer for one week.
4.) An assistant principal surveys each student who is sent for discipline.
5.) A fundraiser organizer draws five names from a hat that contains all entries.
Answers
Answer:
An assistant principal surveys each student who is sent for discipline
Answer: ITS A.), B.) and D.).
What are the subsets of the set {2, 5}?
a. {2}, {5}, {2,5}
b. { }, {2}, {5}, {2,5}
c. {0,2,5}
d. ∅, {5}, {2,5}
Answers
Answer:
the answer is b.........
A family drove from home to truckee at 55 mph and returned the same route at 40 mph due to a snow storm. the total travel time was 4.75 hours. Determine the distance between their home and truckee
Answers
Answer:
1.3245
Step-by-step explanation:
helllppp meee please
Answers
Answer:
2, 3, 6, 7
Step-by-step explanation:
x + -19 = 25 plsssss
Answers
Answer:
44
Step-by-step explanation:
X + -19 = 25
X-19=25
X=25+19
X=44
So the answer is 44
Write a problem in which $180 would be a reasonable answer
Answers
Answer: Word problem: Mya goes to a carnival and buys food for her and her friends. She buys 5 funnel cakes that were $20 each. She buys 10 buckets of popcorn that were 8 dollars each.
Regular problem: $20+$15+$20+$100+$25=180
Step-by-step explanation: I didn't know what you needed. I'm sorry if that's not it, but hope it helps.
Please help me no one answers my last few questions
#6
Answers
Answer:
[tex][f(x)]^2-g(x) = 5x^2-13x-8[/tex]
Step-by-step explanation:
Given
[tex]f(x) = 2x-2\\g(x) = -x^2+5x+12[/tex]
To find: [tex][f(x)]^2-g(x)[/tex]
First of all the square of first function f(x) will be found and then second function g(x) will be subtracted from the square of first function
Squaring the first function
[tex][f(x)]^2 = (2x-2)^2\\Using\ (a-b)^2 = a^2-2ab+b^2\\\[f(x)]^2 = (2x)^2-2(2x)(2)+(2)^2\\= 4x^2-8x+4[/tex]
Now subtracting g(x) from [f(x)]^2
[tex][f(x)]^2-g(x) = (4x^2-8x+4)-(-x^2+5x+12)\\\[f(x)]^2-g(x) = 4x^2-8x+4+x^2-5x-12[/tex]
Combining alike terms
[tex][f(x)]^2-g(x) = 4x^2+x^2-5x-8x+4-12\\\[f(x)]^2-g(x) = 5x^2-13x-8[/tex]
Hence,
Subtracting g(x) from the square of f(x) gives us:
[tex][f(x)]^2-g(x) = 5x^2-13x-8[/tex]
ann's ribbon was 3/5 m long. Xinyi's ribbon was 3/4 m longer than ann's ribbon. What was the length of xinyi's ribbon?
Answers
Answer:
[tex]1\frac{7}{20}[/tex] m
Step-by-step explanation:
[tex]\frac{3}{5} + \frac{3}{4}[/tex] = [tex]1\frac{7}{20}[/tex] m
Which is 1 7/20 or 1.35
2900 people attended a basketball game. 1769 of the people attending supported the home team, while 1131 supported the visiting team. What percentage of people attending supported the home team?
Answers
The percentage of people attending supported the home team will be 39%.
What is the percentage?The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates to one hundred percent. It is symbolized by the character '%'.
The percentage is given as,
Percentage (P) = [Final value - Initial value] / Initial value x 100
2900 individuals went to a b-ball game. 1769 individuals going to upheld the host group, while 1131 upheld the opposing group.
The percentage is given as,
P = (1131 / 2900) x 100
P = 0.39 x 100
P = 39%
The percentage of people attending supported the home team will be 39%.
More about the percentage link is given below.
https://brainly.com/question/8011401
#SPJ2
Johnny has 12 action figures and wants to choose
5 of them to arrange on his desk. How many
possible arrangements can he create?
Answers
Answer:
2
Step-by-step explanation:
Please help me ASAP. !
Answers
Step-by-step explanation:
distance must positive
so, 25-12
=13
Help!!
The Wonder Wings Insect Museum sells bug-shaped notebooks in their gift shop. Last month, they sold 35 butterfly notebooks and 55 ladybug notebooks. The notebooks were so popular that they want to order more this month. They plan to order 110 ladybug notebooks this month. If they keep the same ratio, how many butterfly notebooks should they order this month?
Answers
Answer:
70
Step-by-step explanation:
The number of butterfly notebooks should they order this month approximately will be 43.
What are ratio and proportion?A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.
The Miracle Wings Bug Exhibition hall sells bug-formed scratch pads in their gift shop. Last month, they sold 35 butterfly notepads and 55 ladybug journals.
The ratio of butterfly notebooks and ladybug notebooks will be given as,
⇒ 35 / 55
⇒ 7 / 11
The scratch pad was well known to the point that they believe should arrange more this month. They intend to arrange 110 ladybug notepads this month.
Let 'x' be the number of butterfly notebooks. Then the number of ladybug notebooks will be (110 - x).
If they keep the same ratio. Then the value of 'x' is given as,
x / (110 - x) = 7 / 11
11x = 770 - 7x
18x = 770
x = 42.77
The number of butterfly notebooks should they order this month approximately will be 43.
More about the ratio and the proportion link is given below.
https://brainly.com/question/14335762
#SPJ2
Two cards are drawn in succession from a standard 52-card deck.1. What is the probability that the first card is red and the second card is black(A) If the cards are drawn without replacement?(B) If the cards are drawn with replacement?2. Two balls are drawn in succession out of a box containing 3 red and 5 white balls. Find the probability that at least 1 ball was red, given that the first ball was(A) Replaced before the second draw(B) Not replaced before the second drawContext Header: Conditional ProbabilityContext Section:Conditional Probability is a calculation of the likelihood of an occurrence provided that another event has already occurred. Conditional probability A provided B is generally written as:P(A/B)=P(A∩B)P(B)
Answers
Answer:
52 cards:
26 red and 26 black
P(R) = probability of picking a red card
P(B) = probability of picking a black card
P(R) = P(B) = ¹/₂
If with replacement:
P(R∩B) = (¹/₂)(¹/₂) = ¹/₄
If without replacement:
P(R∩B) = (¹/₂)(²⁶/₅₁) = ¹³/₅₁
8 Balls:
3 red and 5 white
P(R) = probability of picking a red ball
P(W) = probability of picking a white ball
P(R) = ³/₈
P(W) = ⁵/₈
If with replacement:
P(R∩W) ∪ P(W∩R) = (³/₈)(⁵/₈) + (⁵/₈)(³/₈)
= ¹⁵/₆₄ + ¹⁵/₆₄
= ³⁰/₆₄
= ¹⁵/₃₂
If without replacement:
P(R∩W) ∪ P(W∩R) = (³/₈)(⁵/₇) + (⁵/₈)(³/₇)
= ¹⁵/₄₂ + ¹⁵/₄₂
= ³⁰/₄₂
= ⁵/₇
Calculate the probability that a life aged 0 will die between ages 19 and 36, given the survival function
Answers
Answer:
Question: **Actuarial Mathematics, Survival Models** Calculate The Probability That A Life Aged 0 Will Die Between Ages 19 And 36, Given The Survival Function S0(x) = (1/10), 0 X 100 Answer: 0.1.
Step-by-step explanation:
An investor flips a house, selling it for $88,000. If her profit was 30%, how much did she pay for the house originally? Round to two decimal places.
Answers
Answer:
She paid $67692.31 for the house originally.
Step-by-step explanation:
Let the initial cost of the house be [tex]x[/tex] dollars.
Given:
Selling price of the house (S.P) = $88000
Profit made = 30% of 'x' = [tex]0.30x[/tex]
We know that,
Profit = Selling Price - Original price
[tex]0.30x = 88000 - x[/tex]
Adding [tex]x[/tex] on both sides, we get:
[tex]0.30x+x = 88000\\\\1.3x=88000[/tex]
Dividing both sides by 1.3, we get:
[tex]x = 88000/1.3\\\\x = \$ 67692.307[/tex]
Rounding to 2 decimal places, we get:
[tex]x=\$67692.31[/tex]
Therefore, she paid $67692.31 for the house originally.
will someone plz do this question
Answers
Answer:
the answer is a your welcome
3x + 4y =12
What is the slope of the line?
Answers
Answer:
-3/4
Step-by-step explanation:
I hope this helps!
Answer:
-3/4Step-by-step explanation:
Given3x + 4y = 12To findSlope of the lineSolutionConverting the equation into slop-intercept form:
3x + 4y = 124y = -3x + 124y/4 = -3x/4 + 12/4y = -3/4x + 3Slope is -3/4
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
Consider functions f and g.
Evaluate the function composition.
Answers
Answer:
I think answer wil me
find by multiple of that f.g
Answer:
Answer = 1 (Plato)
Step-by-step explanation:
I NEED HELP WITH THIS PICTURE IS PROVIDED
Answers
Edwin's dog eats 1/3 of a pound of food each day. Edwin has a bag containing 2 1/3 pounds of dog food. How many days will the bag feed Edwin's dog?
Write your answer as a fraction or as a whole or mixed number.
Answers
Answer:
7 days
Step-by-step explanation:
A florist sells a dozen long-stemmed red roses for $54.99. In honor of their 16th wedding anniversary, a man wants to buy 20 roses for his wife. (Hint: How many roses are in one dozen?)
Let c represent the cost of 20 roses. Write a proportion, in terms of c, that can be used to solve for the cost of 20 roses.
What will the roses cost (in dollars)?
Answers
Answer:
20 roses cost $91.65
Step-by-step explanation:
Given
1 dozen rose = $54.99
Required
Determine the cost of 20 roses
To calculate the proportion, we make use of:
[tex]c = kx[/tex]
Where
c = cost
k = constant of proportionality
x = number of roses
For a dozen rose
[tex]c = 54.99[/tex] and [tex]x = 12[/tex]
So:
[tex]c = kx[/tex]
[tex]54.99 = k * 12[/tex]
[tex]54.99 = 12k[/tex]
[tex]k = \frac{54.99}{12}[/tex]
[tex]k = 4.5825[/tex]
For 20 roses
[tex]c = kx[/tex]
Where
[tex]k = 4.5825[/tex]
[tex]x = 20[/tex]
[tex]c = 4.5825 * 20[/tex]
[tex]c = 91.65[/tex]