The line passes through the point (-4,1) and is perpendicular to the line y=1/2x-4.

Answers

Answer 1

Answer:

y=-2x-7

Step-by-step explanation:

lines are typically written in y=mx+b form, where m is the slope and b is the y intercept

we are given the line y=1/2x-4

perpendicular lines are negative and reciprocal; if the slopes are multiplied together, the result is -1

so to find the slope of the new line, use this formula:

1/2m=-1

multiply by 2

m=-2

so the slope is -2

here's the equation so far, written in y=mx+b form

y=-2x+b

we need to find b

because the line passes through the point (-4,1), we can use it to solve for b

substiute -4 as x and 1 as y

1=-2(-4)+b

1=8+b

-7=b

so b is -7

therefore the line is:

y=-2x-7

Hope this helps! :D


Related Questions

Sara is mong a call. One of the finie piece she is using is 1 inches 3
inches. She will need 20 of the pieces. How many fear of fabric will she need
fispatam

Answers

Answer:

What are you even asking?

24 swimmers are swimming in the pool. 9 of them are female. What fraction of swimmers are male?

Answers

Answer:

5/8 of swimmers in pool are male

Step-by-step explanation:

24 total swimmers

9 female so 9/24

15 male so 15/24

simplify 15/24

5/8 of swimmers in pool are male

What is the correct value for x , in the equation, 4x + 12 = 60?

Answers

Answer:

x = 12

Step-by-step explanation:

im 100% sure i hope this helps :)

Answer:

[tex]4x + 12 = 60 \\ 4x = 60 - 12 \\ 4x = 48 \\ x = \frac{48}{4} \\ x = 12[/tex]

=> 12 IՏ Tᕼᗴ ᑕOᖇᖇᗴᑕT ᗩᑎՏᗯᗴᖇ.

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

A sample of 68 college students yields a mean annual income of $3248 and a standard deviation of $885. Find the margin of error in estimating μ at the 99% level of confidence.

Answers

Answer:

 can put this solution on YOUR website!

margin of error is t(0.995 df=67)*s/sqrt(n)

t=2.65

the margin of error is 2.65*885/sqrt(68)=$284.40

find the cost of fencing a rectangular field 250m long and 130m wide at rupees 30 per meter​

Answers

Answer:

length of rectangular =250m

breath =130m

perimeter of rectangular field =(130*250)

=32500m

cost of fencing a rectangular field at the rate of 30 per meter

cost of the rectangular field =32500*30  

=rupees 975000

hope it helps

3/10 of the beads in a jar are red, the rest are blue if there are 500 more blue beads than red, how many beads are together?​

Answers

Answer:hope it helps.

Step-by-step explanation:

A random sample of 900 13- to 17-year-olds found that 411 had a computer in their room with Internet access. Let p be the proportion of all teens in this age range who have a computer in their room with Internet access.Suppose you wished to see if the majority of teens in this age range have a computer in their room with Internet access. To do this, you test the hypotheses
H0: p = 0.50 vs HA : p≠0.50
The test statistic for this test is:_______.
a. 1.96
b. 2.60
c. 27.50
d. 2.59424

Answers

Answer:

The test statistic for this test is: z = -2.60, option b.

Step-by-step explanation:

The test statistic is:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

H0: p = 0.50 vs HA : p≠0.50

This means that [tex]\mu = 0.5, \sigma = \sqrt{0.5*0.5} = 0.5[/tex]

A random sample of 900 13- to 17-year-olds found that 411 had a computer in their room with Internet access.

This means that [tex]n = 900, X = \frac{411}{900} = 0.4567[/tex]

Value of the test-statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{0.4567 - 0.5}{\frac{0.5}{\sqrt{900}}}[/tex]

[tex]z = -2.598[/tex]

The test statistic for this test is: z = -2.60, option b(should be).

17
11
S
3
18
If the median is 17, which number could s be?
7
18

Answers

Answer:

s=18

Step-by-step explanation:

the median is 17(middle number)

It goes from smaller to bigger

2 numbers onthe left of 17 and 2 numbers on the right of 17

3       11     17     18     18

Answer:

it would be 18

Step-by-step explanation:

18 being the answer makes 17 the middle it has to be more than 17 and it is 18

1. The parent function f(x) = x2 was
transformed to create the graph shown below.
x
Which function best represents the
transformation?
A f(x) = 3x2 - 1
B f(x) - 3x +1
c/(x) = $x-1
D) = -1 - 3

Answers

The 4 th one is the answer

Which inequality is true (I ready diagnostic)

Answers

Answer:

Step-by-step explanation:

I am sorry but please give detailed question

Answer:

i'd be happy to help you, but there isn't an image attached.

Step-by-step explanation:

Please could somebody help me on this one

Answers

Answer:

49π

Step-by-step explanation:

Are of the circle equal π[tex]r^{2}[/tex] (where π is pi and "r" is the radius). Radius equals the diameter divided by 2. Therefore the area of this circle equals...

[tex](14 / 2)^{2}[/tex]π = [tex]7^{2}[/tex]π = 49π

In triangle ABC, m∠A=(2x)∘, m∠B=(3x+1)∘, and m∠C=(3x−5)∘.
What is the value of x?

Answers

Answer:

x=16

Step-by-step explanation:

8x-4=180

8x=184

x= 16

HELPPP 30PTS FOR THIS

Answers

Answer:

pucha no se

Step-by-step explanation:

Answer:0.08

Step-by-step explanation:4756454434232

what is 9/-2 as an equivalent fraction

Answers

Answer:

18/-4 as equivalent fraction there are many others

The normal rainfall in September for Denver is 1.24 inches. The normal rainfall for Miami in September is 7.63 inches. The normal rainfall in January for Miami is 2.01 inches. The normal rainfall in January for Denver is 6.91 inches.
To the nearest tenth of an inch, how much more rain does Miami get in September than it gets in January?

Answers

Answer:

5.60 inches

Step-by-step explanation:

7.63 - 2.01 = 5.62

5.62 ≈ 5.6

Tell me if there is any missing information in the question because the information for Denver seems useless and there probably something missing

89.5, 71, 75, 76, 74, 87, 89, 71, 85

mode = ?

Answers

Answer:

mode of this question is 71

Answer:

71

Step-by-step explanation:

because mode is the number that occurs most frequently

A ball is thrown into the air from a height of 4 feet at time t = 0. The function that models this situation is
h(t) = -1662 +63 + 4, where t is measured in seconds and h is the height in feet.
What is the height of the ball after 2 seconds?

Answers

Answer:

B, D, B, D

Step-by-step explanation:

5th grade question PLEASE HELP!

Vedansh filled 10 lbs of candy equally into 6 bags to give to six of his friends. How
much candy does each friend get? Simplify your answer. I WILL MARK U BRAINLIEST!

Answers

Answer:

1.66666666666666666667

Step-by-step explanation:

if rounded by the nearest tenth it is 1.7

Hope this helps :)

Answer:

10/6 = 1 and 2/3

Step-by-step explanation:

10 pounds of candy, 6 bags.

that means 10 divided by 6, or 10/6

simplify that 10-6 = 4, 6 can only be subtracted once, so it is 1 and 4/6 or 2/3

2/3 is 0.666666... so add it together and you get 1.66666... or 1 and 2/3


PLEASE HELP !

Someone has offered you a wager on the outcome of a die roll. You will pay him
$100 for each time the standard, six-sided die lands on one, and he will pay you $30 for each time the die lands on any other number. Without your awareness, he has loaded the die so that it has a 40% change to land on the number one, and besides
that an equal change to land on any of the values 2 through 6.

What is the expected value of one round of gambling in this scenario?

-$12
-$32
$2
-$22

Answers

Answer:  Choice D)  -$22

You'll lose on average $22 per roll.

====================================================

Explanation:

Normally there is a 1/6 chance to land on any given side of a standard die, but your friend has loaded the die in a way to make it have a 40% chance to land on "1" and an equal chance to land on anything else. Since there's a 40% chance to land on "1", this leaves 100% - 40% = 60% for everything else.  

Let's define two events

A = event of landing on "1".B = event of landing on anything else (2 through 6).

So far we know that P(A) = 0.40 and P(B) = 0.60; I'm using the decimal form of each percentage.

The net value of event A, which I'll denote as V(A), is -100 since you pay $100 when event A occurs. So we'll write V(A) = -100. Also, we know that V(B) = 30 and this value is positive because you receive $30 if event B occurs.

To recap things so far, we have the following:

P(A) = 0.40P(B) = 0.60V(A) = -100V(B) = 30

Multiply the corresponding probability and net value items together

P(A)*V(A) = 0.40*(-100) = -40P(B)*V(B) = 0.60*30 = 18

Then add up those products:

-40+18 = -22

This is the expected value, and it represents the average amount of money you earn for each dice roll. So you'll lose on average about $22. Because the expected value is not zero, this means this game is not mathematically fair.

This does not mean that any single die roll you would lose $22; instead it means that if you played the game say 1000 or 10,000 times, then averaging out the wins and losses will get you close to a loss of $22.

Jim and Jabu join a gym. Jim's gym take R150 deposit,and he pays R120 monthly. Jabu's gym takes no deposit, but his monthly payment is R150. They compare their total payments after four months, after five months and after six months.

3.1 Reasoning
3.2 Number sentence​

Answers

Answer:

What should I answer?

Step-by-step explanation:

Jim's payment is more than Jabu's after four months and Jabu's payment is more than Jim’s after five months.

It is given that Jim’s gym takes a deposit of 150 and a monthly charge of 120.

Let x be the number of months for which both are paying the charges.

Then, Jim's total charge=150+120x.

Now, Jabu’s gym takes no deposit and takes a monthly charge of 150.

Jabu’s gym total charge=150x

Substitute x=4 in the obtained expression to determine the total payment of both after four months.

Jim's total charge=150+120(4)

=150+480

=620

​Jabu’s gym total charge=150(4)

=600

So, Jim's payment is more than Jabu after four months.

Substitute x=5 in the obtained expression to determine the total payment of both after five months.  

Jim's total charge=150+120(5)

=150+600

=750

Jabu’s gym total charge=150(5)

=750

​So, Jabu's payment is more than Jim’s after five months.

Therefore, Jim's payment is more than Jabu's after four months and Jabu's payment is equal to Jim’s after five months.

To learn more about the deposit visit:

https://brainly.com/question/22697743.

#SPJ2

Yesterday, a movie theater sold 269 bags of popcorn. A large bag of popcorn costs $4. A small bag of popcorn costs $1. In all the movie theater made $494 from
popcom sales. Write and solve a system of equations to find how many bags of each size of popcorn were sold.
The movie theater sold large bags of popcorn and small bags of popcorn.

Answers

Answer:

S=194, L=75 L+S=269, 4L+1S=$494

Step-by-step explanation:

Trina is making a friendship necklace at summer camp using 1.6 cm beads. What is a reasonable estimate for the length if she uses 24 beads? *
A.22.4 cm
B.40 cm
C.33.8 cm
D.38.4 cm

Answers

c would be your answer

Jennifer. Wants to wrap her Mother’s Day present in pink wrapping paper the wrapping paper cost $0.09 per square inch. How much will it cost her to wrap the present

Answers

The answer is 12.97

whats 3/10 out of 140?

Answers

Answer:

you have got your mark in fraction.

Answer: the answer is 42.

Step-by-step explanation:

This is how you solve.

Take 140 and divide by 10.

You would get 14.

then, times 14 by 3 or add it 3 times.

14+14+14 is equal to 42.

hope This helped!

A sofa can ve purchased for 890.00 cash or by making 12 monthly payments of 92.00. How much would be saved by paying cash?​

Answers

You would do 92 x 12 which is 1104 for the monthly payment, then do 1104 - 890 which is 214. So you would save 214$

Answer: $214

Step-by-step explanation:

First find how much you would have to pay if you payed $92 for 12 months. It would be 1104 (12 times 92)

Then you have to substract how much it would cot to pay by cash rather than paying $92 for 12 months. ( 1104-890 = 214)

Your answer is $214. You would save $214 if you pay by cash.

I hope this helps! May God bless you! :)

I’ll give points + brainalist please help!!

Answers

Step-by-step explanation:

x+6+90+3x-4=180 - - > x=22

So, the angle is 22+6=28°

Please explain step by step I dont get it.

Answers

Answer:

B

Step-by-step explanation:

minus 3 twice

 -3 times 2

Answer:

B (-3 x 2)

Step-by-step explanation:

Think about it like simple multiplication. On the number line, there are two groups of 3, except the integer is actually negative. It's about the same though.

Suppose there are n people on a bus. At the next stop, 9 more people get on the bus. No one gets of the bus. Draw a bar diagram to model the number of people now on the bus. Use this model to write an algebraic expression for the number of the people now on the bus.

Answers

Answer:

Algebaric Expression & Bar Diagram graphic representation of number of people in bus.

Step-by-step explanation:

No. of people on bus = n

After 9 more boarding & no one deboarding the bus , no. of people = n + 9

Bar diagrams is graphical method for presentation of data. Presenting the given in bar diagram :

7. Find S 14 for the arithmetic sequence. 101+98+95+92+..

Answers

Step-by-step explanation:

[tex]S _{n} = \frac{n}{2} (2a + (n - 1)d) \\ S _{14} = \frac{14}{2} ((2 \times 101) + (14 - 1) \times -3) \\ =1,141[/tex]

what is the range of the function in this table

Answers

Answer:

B

Step-by-step explanation:

RANGE  are the Y values

Answer:

b

Step-by-step explanation:

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