What is the slope of a line that is perpendicular to the line whose equation is 8y−5x=11?
Ill give someone brainlist
9514 1404 393
Answer:
-8/5
Step-by-step explanation:
When you solve for y, the slope of the line is the x-coefficient. For the given line, that is ...
8y = 5x +11 . . . . . add 5x
y = 5/8x +11/8 . . . . divide by 8
The given line has a slope of 5/8. The perpendicular line will have a slope that is the opposite of the reciprocal of this:
-1/(5/8) = -8/5 . . . . slope of perpendicular line
Answer:
The slope of the perpendicular line will be -8/5, or -1.6
Step-by-step explanation:
First we need to rearrange the equation to show the slope, putting in the format y = sx + c:
[tex]8y - 5x = 11\\8y = 5x + 11\\y = \frac{5}{8}x + \frac{11}{8}[/tex]
So the given line has a slope of 5/8.
A line perpendicular to that will have a negative reciprocal of that slope, so it's slope will be -8/5.
I NEED HELP ASAP! SO EASY
Answer:
165 hope this helps
Step-by-step explanation:
[tex]--------------------------------------------[/tex]
Answer:
159
[tex]--------------------------------------------[/tex]
Step-by-step explanation:
-4 + 91=87
87 + 72=159
[tex]--------------------------------------------[/tex]
SIMPLE
Help, is this correct?
Answer:
Yes good job!
Step-by-step explanation:
Determine whether the graph shows a positive correlation, a negative correlation, or no correlation. If there is
a positive or negative correlation, describe its meaning in the situation.
Answer:
The answer is A
Step-by-step explanation:
write an equation in point-slope form of the line that passes through (1,0) and (4,4)
Answer:
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Step-by-step explanation:
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Answer:
y=6x+4.2
Step-by-step explanation:
rakka flakka told me
Question 5
Trent has 12 cups of ice cream for his daughter's birthday party
If each serving is
3/4
of a cup, how many children can eat ice cream?
А
1
B
9
С
12
D
16
Answer:
B. 9
Step-by-step explanation:
12 times 3/4 is 9
Answer:
it takes 4 of the 3/4 servings to make a whole number and it's 3 cups.
12/3= 4 and 4*4= 16
so 16 children can eat ice cream
or you could do 12/0.75= 16
you would do that because 3/4=0.75
you would divide and not multiply because you're seeing how many times 0.75 can go into 12
Step-by-step explanation:
What’s the length of the diagonal line that splits the square?
Please answer correctly !!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!
Answer:1:7
Step-by-step explanation:
Answer:
for every 7 miles Nolan drove alexander drove 1
Step-by-step explanation:
Sydney has a bag of stuffed animals containing, 1 elephant, 4 bears, 3 cats, and 2 dogs. If she randomly selects 1 stuffed animal from the bag, places it on her bed and then selects another animal. What is the probability that she chooses a bear both times?
Answer:
2/15
Step-by-step explanation:
Step one:
given data
sample space
1 elephant,
4 bears,
3 cats, and
2 dogs.
sample size= 1+4+3+2= 10
Required:
By selecting without replacement, the probability that she chooses a bear both times
Step two:
the first event= Pr(bear)= 4/10= 2/5
the second event, the sample size is now 9 and the number of bears is now 3
Pr(bear)= 3/9= 1/3
Hence, the probability that she chooses a bear both times
= 2/5*1/3
=2/15
Bonnie filled her cars gas tank. She put in 10 1/2 gallons and paid $15.36.
Does anybody know the ratio in fractional form to find the cost of gasoline per gallon?
And what is the cost of gasoline per gallon.
Three pens and three notebooks cost $6.90. Two notebooks and one pen cost $4.10
Answer:
so whats the question then?
Step-by-step explanation:
Write an equation of the line that passes through (1, 2) and is perpendicular to the line y=13x+4.
Answer:
Step-by-step explanation:
y=-1/13x since it is perpendicular flip it and make it negative
Answer:
y = -1/13x + 27/13
Step-by-step explanation:
A perpendicular line will have the opposite reciprocal and sign.
So the perpendicular line slope to y = 13x + 4 would be -1/13
NOW PLUG IN (1, 2) TO GET THE Y- INTERCEPT
2 = -1/13(1) + b (b represents the y- intercept)
2 = -1/13 + b (add 1/13 to both sides)
y = -1/13x + 27/13 is the perpendicular line.
Hope this helps ya!!
solve this plz
z = 2a + 2. for a
Answer:
a=(z-2)/2
Step-by-step explanation:
You need to isolate your "a" variable so first you want to subtract 2 from both sides, leaving you with:
z-2=2a
then you want to divide by 2 on both sides to isolate your "a" variable which would leave you with
a=[tex]\frac{(z-2)}{2}[/tex]
Samiya bought a tree 3 inches long. Each year, the tree expected to grow 5 inches. How long (How many years) it takes the tree to reach the height of 8 feet (or 96 inches)? Let \large y be number of years it takes to reach 96 inches tall;
Answer:
19 years
Step-by-step explanation:
Initial height of tree when Samiya bought the tree = 3 inches
Growth in the height of tree every year = 5 inches
Number of years = [tex]y[/tex]
Growth in the height of tree in [tex]y[/tex] years = 5 inches multiplied by number of years
Growth in the height of tree in [tex]y[/tex] years = 5[tex]y[/tex] inches
To find:
Number of years taken by the tree to be 8 ft or 96 inches.
Solution:
The equation for height of tree after [tex]y[/tex] years can be written as:
3 + 5[tex]y[/tex] which is to be compared with 96 inches.
Therefore, the equation is:
[tex]3 + 5y = 96\\\Rightarrow 5y=93\\\Rightarrow y \approx 19[/tex]
Therefore, it will take 19 years for the tree to reach a height of 96 inches.
whats the slope of y= 1 over 2x-2
Jasmine took out a college loan of $55,000.00 for college for 10 years. The interest rate
is 4 7%. What will the total cost of the loan be for 10 years?
Answer:
57,585
Step-by-step explanation:
55,000.x4.7%=2585.
55000.+2585=57,585
Answer:
$57,337.50
Step-by-step explanation:
In order to get the answer we would have to add 55, 000 and 4 [tex]\frac{1}{4}[/tex]% of 55,000 (because of the interest rate). In order to find 4 [tex]\frac{1}{4}[/tex] % we would have to multiply 55, 000 by 0,0425. So now we get the following.
Total cost of the loan = 55,000 + 55,000 x 0.0425 = 55,000 + 2,337.5 =
57,337.5
After 12:00, the number of people in Mal-Wart
grows steadily until 6:00p.m. If the equation
y= 228 + 58x represents the number of people in
the store x hours after 12:00, how many people
were in the store at 12:00?
Answer:
228
Step-by-step explanation:
substitute 0 for x
A city has a vacant lot in the shape of an isosceles trapezoid and the city workers are installing a fence around the lot. What length of fencing is required? Round the answer to the nearest meter. А 25 m B x 25 m 45° The length of fencing required is meters.
Answer:
Length of the fence required = 135 m
Step-by-step explanation:
Total length of the fence required to cover the vacant lot = Perimeter of the isosceles trapezoid
Perimeter of ABCD = AB + BC + CD + AD
Since, AB = BC = EF = ED = 25 m
From the given right triangle BEC,
m∠EBC = m∠ECB = 45°
ΔBEC will be an isosceles triangle.
So, BE = EC
By Pythagoras theorem,
BC² = BE² + EC²
25² = 2(EC)²
EC = [tex]\frac{25}{\sqrt{2}} =17.7[/tex] m
And DC = (DF + EF + EC)
= EC + EF + EC [Since, DF = EC]
= 2EC + EF
= 35.4 + 25
= 60.4 m
Hence. perimeter of ABCD = 25 + 25 + 60.4 + 25
= 135.4 m
≈ 135 m
Therefore, length of the fence required = 132 m
please hurry!!! If triangle CAT is similar to triangle DOG, which of the following statements is incorrect?
Answer:
d is the right answer the last one
The forum of Pompeii is a rectangle 520 feet long by 109 feet wide. What's its
area?
It is 56680 square feet.
Step-by-step explanation:
Multiply the two numbers
Question : WHICH OF THE LINES IS PARALLEL ? HOW DO YOU KNOW ?
Answer:
B and R
I think that is the name of the lines. If not the the first two lines!!!!
Hello I need help. What's 10.40 + 66.9 + 100.4 x 2 =
help please
Answer:
278.1
Step-by-step explanation:
Follow order of operations
Multipacation first (in this situation) and then just add left to right :)
Why did many think antisemitism would fade away after the Holocaust? Why do you think it has endured?
Answer:
(someone passed this to me) 90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love you
Step-by-step explanation:
The position of an open-water swimmer is shown in the graph. The shortest route to the shoreline is one that is perpendicular to the shoreline. Write an
equation that represents this path.
Answer:
-1/4x + 3/2
Step-by-step explanation:
i dont know how explain but heres the answer :)
What is 106% of $40?
Answer:
I think it's 42.4 hope this helps
Answer:
42.4 hope this helps
Step-by-step explanation:
Ben purchased lunch today at the school cafeteria for $5.00. Before today, Ben owed $10.00 on his lunch account. What is the status of his lunch account after today?
Answer:
-$15.00
Step-by-step explanation:
simple math bro
Help Pretty please....
Answer:
B
Step-by-step explanation:
Need help ASAP plzzzzz
Answer:
y=2x+1
Step-by-step explanation:
Input X=2 into the function, so y=2(2)+1, which is 5. This matches the table.
Answer:
It's the first one: y= 2x +1
Step-by-step explanation:
If you multiply 2 by 2, you'll get 4. then you add 1. You'll get 5.
same with the others-
3n - 5 =22 what is the value of n
Answer:
n = 9
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Step-by-step explanation:
Step 1: Define
3n - 5 = 22
Step 2: Solve for n
Add 5 to both sides: 3n = 27Divide 3 on both sides: n = 9Solve the portion 20/3 = ?/6
Answer:
40/6
I hope this helps.