A line passes through the points (4, -1) and (2,3). What is the slope of the line?

Answers

Answer 1

Answer:

-2

Step-by-step explanation:

image attached!

A Line Passes Through The Points (4, -1) And (2,3). What Is The Slope Of The Line?

Related Questions

i just need the work for 11 & 12. i know the answer for 11 is (16,4) and 12 is (5,7) but i don’t know how to work it out to get those answers. (solving a system of linear equations)

Answers

Answer:

Step-by-step explanation:let x be the number of bicycles,

let y be the number of tricycles

given x+y=20→equation 1

also given 2x+3y=44→equation 2

from eq 1, y=20-x

substitudin ineq 2

2x+3(20-x)=44

2x+60-3x=44

60-x=44

-x=44-60

=-16

x=+16

then y=20-16=4

no of bicycles=16

no of tricycles=4

hope this helps

plzz mark me brainliest

Solve for n.
n + 1 = 4(n - 8)
n = 1
T
n = 8
n = 11
n = 16

Answers

Answer:

n=11

Step-by-step explanation:

n+1=4(n-8)

11+1=4(11-8)

12=4(3)

12=12

n= 11


question:
n+1= 4(n-8)

first step: distribute 4 through the parenthesis:
n+1= 4n-32

next step: move the variable to the left hand side and change the sign:
n-4n+1= -32

next step: collect the like terms:
-3n= -32-1

last step: divide both sides by -3:
-3n= -33

solution: n= 11

4. Find the surface area of the space figure represented by the net.
A 75 cm
B 96 cm2
C 90 cm2
D 69 cm

Answers

The correct answer is C. 20 characters

Which values are solutions to the inequality below
Check all that apply

Answers

Answer:

3 and -3

Step-by-step explanation:

because both have the same which is equal to 9 so it not above 25 or equal to 25

Answer:

c & F

Step-by-step explanation:

A. 25>25 true

B.144>25,true

C.9>25false

D.25>25 true

E.144>25 true

F.9>25 false

When a fair 6-sided dice is rolled 10 times, the resulting face values are as
follows: 1, 2, 6, 5, 5, 6, 3, 4, 5, 1. After conducting the experiment, the researcher
claims that P(5) = .30. This is an example of ______
probability.

Answers

Answer:

This is an example of independent probability.

Step-by-step explanation:

Independent events are not affected by previous events, just like the outcome of rolling a dice is not effected by the previous outcome. (The dice has no memory of any kind, what so ever!).

When two events are said to be independent of each other, meaning the probability that one event occurs in no way affects the probability of the other event occurring. Another example of an independent event is when you flip a coin. (The coin has no memory of any kind, what so ever!).

Multiplication Rule: When two events, A and B, are independent, the probability of both occurring is:

P(A and B) = P(A) · P(B)

The dice was cast 10 times. In three occasions a 5 came out, and in 7 occasions another outcome occurred. The probability of the outcome of exactly 3 times a 5 in 10 casts, can be calculated as:

P(5) =(1 / 6)^3 + (5 / 6)^7

P(5) = 0.28

P(5) = .3

please help!! thank you

Answers

Answer:

Step-by-step explanation:

[tex]3d^{-4}*4d^{4}=3*4*d^{-4+4}\\\\ =12d^{0}\\\\=12*1\\\\=12[/tex]

Answer:

12

Step-by-step explanation:

[tex]3 {d}^{ - 4} .4{d}^{ 4} \\ \\ = 3.4 \frac{{d}^{ 4}}{{d}^{ 4}} \\ \\ = 12[/tex]

Solve. What is -11 2/3 x (-4 1/5) =
A. -44 2/15
B. -49
C. 49
D. 44 2/15

Answers

Answer:

C

Step-by-step explanation:

-35/3*(-21/5)=35/3*21/5=49

Answer:

B

Step-by-step explanation:

I converted both to decimals and I got -49.

The regional manager of a chain of department stores created the following stem and leaf plot showing the number of pairs of glasses at each of the stores how many department stores have exactly 37 pairs of glasses

Answers

Answer:

The stem and leaf plot is not shown, so I will answer the question in a general way.

Suppose you have the following stem and leaf plot

I 2 I 0 5 8

I 3 I 4 4 7 8

I 4 I 0

Then, the data is: 20, 25, 28, 34, 34, 37, 38, 40. In consequence, one department stores has exactly 37 pairs of glasses. But if your stem and leaf plot is:

I 2 I 0 5 8

I 3 I 7 7 7 8

I 4 I 0

then, three department stores have 37 pairs of glasses, and none of them have 34 pairs of glasses.

guys i need help lol

Answers

Answer:

x = 17°, m∠ A = 114°

Step-by-step explanation:

We can tell that these pair of angles are corresponding, provided;

Line 1 ║ Line 2, AB ∩ Line 1 and Line 2 ⇒ corresponding ∠s ≅,

m∠ A = m∠ B ⇒ Substitute values of A and B,

6x + 12 = 3x + 63 ⇒ Subtract 3x on either side,

3x + 12 = 63 ⇒ Subtract 12 on either side of equation,

3x = 51 ⇒ Divide either side by 3,

x = 17 ⇒ Substitute value of x to solve for m∠ A,

m∠ A = 6 * ( 17 ) + 12,

m∠ A = 102 + 12,

m∠ A = 114

Solution; x = 17°, m∠ A = 114°

Answer:

x = 17, ∠A = 114°

Step-by-step explanation:

I'm 8 years old and I know how to do this.

6x + 12 = 3x + 63

3x + 12 = 63

3x = 51

x = 17

6(17) + 12

102 + 12 = 114

Please tell me the answer quick. Thank you in advance.

Answers

Answer:

1176 cm3

Step-by-step explanation:

The shark dove down 48 feet in 6 minutes. How many feet did the shark dive down per minute?

Answers

Answer:

8 ft per minute

Step-by-step explanation:

Take the number of feet and divide by the number of minutes

48 ft / 6 minutes

8 ft per minute

The answer is 8 sorry if I am wrong

The value of which of these expressions is closest to e?
A. (1+1/19)^19
B. (1+1/22)^22
C. (1+1/20)^20
D. (1+1/21)^21

Answers

Answer:

B.

Step-by-step explanation:

Given: expressions

To find: the expression whose value is closest to e

Solution:

Value of e is 2.718

[tex]\left ( 1+\frac{1}{19} \right )^{19}=\left ( \frac{20}{19} \right )^{19}=2.65\\\left ( 1+\frac{1}{22} \right )^{22}=\left ( \frac{23}{22} \right )^{22}=2.659\\\left ( 1+\frac{1}{20} \right )^{20}=\left ( \frac{21}{20} \right )^{20}=2.653\\\left ( 1+\frac{1}{21} \right )^{21}=\left ( \frac{22}{21} \right )^{21}=2.656[/tex]

Therefore, value 2.659 is closest to the value of e.

So, option B. is correct.

Answer:

B

Step-by-step explanation:

Question 1 Please help. I'm not sure if I'm correct.
If mIJ⌢=46∘, what is the measure of angle HOK?

Answers

Answer:

HOK =167

Step-by-step explanation:

HOK = HOI +IOJ + JOK

         = 44+46+ 77

          =167

Please help me with this.

Answers

Answer:

the ancer is 1

Step-by-step explanation:

When solving a word problem why is it important to check if the final answer makes sense for the problem?

Answers

To make sure your answer is right

Find the product.
(6y+2) (y-7)

Answers

Foil:

6y•y= 6y^2
6y•-7= 42y
2•y= 2y
2•-7= -14

Therefore:

6y^2 + 42y + 2y - 14 is almost the answer, now collect like terms:

6y^2 + 44y - 14 is your answer
the answer is 6y^2 + 44y - 14

Keta sold tickets for her school play at $6 for students, and $9 for adults. She sold 15 adult tickets and made a sales total of $315. How many student tickets were sold 48 points

Answers

Answer:

Let x be the number of tickets sold to adults and y the number sold to students:

x + y = 315. But we know that y was double x, then :

y = 2x

Plug the value of y (in the 1st equation) by 2x:

 x+ 2x = 315

3x = 315

and x = 105 (which is the number of tickets sold to adults

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Step-by-step explanation:

Complete number one which is b and c for 9 points

Answers

Step-by-step explanation:

b) [tex] I= prt\implies r = \frac{I}{pt} \\[/tex]

c) [tex] I= prt\implies t = \frac{I}{pr} \\[/tex]

Answer:

1.

B. i/Pt = Prt/Pt

i/Pt = r

C. prt/pr = i/pr

t=i/pr

Step-by-step explanation:

Pretty Easy with Algebra and Geometry.

9 yd
2.5 yd find the surface area of the square

Answers

Answer:

51.25

Step-by-step explanation:

Do you mean the surface area of the pyramid?

Base = [tex]2.5^2[/tex] = 6.25

Triangles = [tex]\frac{9 * 2.5 * 4}{2}[/tex]

9 * 2.5 * 2 = 45

45 + 6.25 = 51.25

a reflection over the x-axis and y-axis produces the same result as what other transformation?

Answers

Answer:

A mirror

Step-by-step explanation:

thats all

8+n the answer is 45

Answers

Answer:

n=37

Step-by-step explanation:

45-8=37

Answer:

n=37 easy math :)

A tower is composed of a prism with a square base and
a pyramid. The base length is 20 meters, and the
height of the prism is 40 meters, while the slant height
of the pyramid is 10v2 meters. What is the total surface
area, including the bottom base?
O 400V2 + 3,600 m2
O 200V2 + 3,600 m2
0 40012 + 400 m2
O 400012 m2

Answers

Answer:

a)400V2 plus 3,600 m2

Step-by-step explanation:

Answer:

400V2 + 3,600 m2

Step-by-step explanation:

Got it right on edge

Find the area of the kite.
56 mm 2
40 mm 2
30 mm 2
80 mm 2

Answers

Answer:

30 mm 2

Step-by-step explanation:

The answer is 40 mm 2

Keith has 3 3/4 books left to read for school. Keith read 1 1/4 books on Monday.
How many more books does Keith have to read?

Answers

Answer:

2 2/4 or 2 1/2

Step-by-step explanation:

since its like denominators,

3 minus 1= 2

then you move onto fractions

3/4 minus 1/4= 2/4

and if you wanted to simplify 2/4= 1/2

In the expression 16x + 2x – 5y + 17, which terms are “like terms”?

Also i didn't mean to say exam on last question, turns out it was a quiz, my bad it just has alot of questions over 4, it has 6.

Answers

the like terms are 16x and 2x

Answer:

16x and 2x have like terms

If a fair coin is tossed 8 times, what is the probability, to the nearest thousandth, of
getting exactly 7 tails?

Answers

1/256 because it would be 1/2 multiplied by 1/2 eight times to get a certain outcome.

The probability of getting exactly 7 tails is 1/32.

How to find probability using binomial distribution?

The binomial distribution is based on the binomial theorem which can be written as (a + b)ⁿ = ⁿC₀aⁿb⁰ + ⁿC₁aⁿ⁻¹b¹ + ⁿC₂aⁿ⁻²b²+ ....+ ⁿCₙa₀bⁿ.

In order to use in the probability, there should be events independent of each other and the sum of there probabilities is 1.

The number of times of toss of a fair coin is given as 8.

The probability of getting head is 1/2.

And, the probability of getting tail is 1/2.

The given problem can be solved using the expression of binomial distribution as ⁿCₓpˣqⁿ⁻ˣ, where p and q are the probability of success and failure respectively, n is the total number of trials and x is the favorable number of trials.

In order to find the probability of getting tail 7 times out of 8, the binomial distribution can be used as,

P(exact 7 tails) = ⁸C₇(1/2)⁷(1/2)¹

                        = 8 × 1/128 × 1/2

                        = 1/32

Hence, the probability of getting exactly 7 tails is 1/32.

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At the beginning of the year, students in Mrs. Johnson's class took a survey. It was discovered that 1 /3 of the whole class was born in a summer month. Of those born in the summer, 2 /5 of them were born in July. What fraction of the entire class was born in July?

Answers

Answer:

2/15

Step-by-step explanation:

1/3 × 2/5 = 2/15

Mrs. Harless surveyed 18 students about the number of movies they watched this past summer. She displayed the results in a circle graph and a line graph. Which is the better display? Why?

Answers

The line graph is bettee.

The better display for the survey of 18 students about the number of movies they watched this past summer is a circle graph.

What is graph?

A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner.

Given that, Mrs. Harless surveyed 18 students about the number of movies they watched this past summer, she used a circle graph and a line graph.

Since, a line graph used to track changes over short and long periods of time, It represents the change in a quantity with respect to another quantity. It shows how the value of something changes over time, or compare how several things change.

Whereas, a circle graph helps organize and show data as a percentage of a whole, it is divided into slices to illustrate numerical proportion.

Therefore, if Mrs Harless used a circle graph, it would be better to understand the data of the students.

Hence, the better display for the survey of 18 students about the number of movies they watched this past summer is a circle graph.

Learn more about graph, click;

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20 POINTS EACH PERSON

The perimeter of a rectangular swimming pool is represented by the expression 8x – 2. If the width of the swimming pool is represented by the expression x – 1, which expression represents the length of the pool? 7x – 1 6x – 4 3x 6x

Answers

Answer:

61 ft

Step-by-step explanation:

Answer:

The length of rectangle is 3x.

Step-by-step explanation:

Given that the perimeter of rectangle formula is P = 2l + 2w where l represents length and w is width. Then you have to substitute the expressions into the formula :

[tex]p = 2l + 2w[/tex]

Let p = 8x - 2,

Let w = x - 1,

[tex]8x - 2 = 2l + 2(x - 1)[/tex]

[tex]8x - 2 = 2l + 2x - 2[/tex]

Next you have to find the expression for length by moving all the unrelated terms to the other side :

[tex]8x - 2 - 2x + 2 = 2l[/tex]

[tex]2l = 6x[/tex]

[tex]l = 3x[/tex]

What are all solutions to the equation lxl = 4?

Answers

Answer:

x= -4, x = 4

Step-by-step explanation:

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