Mathematics College

Match the line described on the left with the slope of the line on the right. y = 3‐--------------------------------------undefined 9x – 3y = 18.--------------------------,------- - 2 the line through (5, 7) and (5, – 8) -------0 the line through ( – 4, – 1) and (-1,–7)--- 3.

Answers

Answer 1

Answer:

y=3, 0; 9x-3y=18, 3; line through (5, 7) and (5, – 8), undefined; the line through ( – 4, – 1) and (-1,–7), -2;

Step-by-step explanation:

y=3 is a horizontal line so the slope is 0

9x-3y=18 can be written as 3y=9x-18 or y=3x-6 so the slope is 3

the line through (5,7) and (5,-8) is a vertical line since the x value didnt change between the two points so the slope is undefined

we have to find the slope of the line through ( – 4, – 1) and (-1,–7). to do this use the formula (y_2-y_1)/(x_2-x_1)=(-7-(-1))/(-1-(-4))=(-7+1)/(-1+4)=-6/3=-2 so the slope is -2

Related Questions

14 subtracted from three times a number is -53 find the number

Answers

Step-by-step explanation:

let the number

[tex] = x[/tex]

Then:

[tex](3x - 14) = 53 \\ 3x = 53 + 14 \\ 3x = 67 \\ x = 67 \div 3 = 22.33[/tex]

Answer:

[tex]number = x \\ 3x - 14 = - 53 \\ 3x = - 53 + 14 \\ 3x = - 39 \\ x = \frac{ - 39}{3} \\ x = - 13 \\ thank \: you[/tex]

People drive on average 15,099 miles per year about how many miles each week is that ?

Answers

Answer:

The answer is 2,157

Step-by-step explanation:

15,099÷7=2,157

Which is the correct conjugate for √3+2?

A) 2-√3
B) -3-√2
C) 3+√2
D) 3-√2

Answers

[tex]\\ \rm\longmapsto \overline{z}=-(z)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-(x+iy)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-(\sqrt{3}+2)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-\sqrt{3}-2[/tex]

C is correct bro. I

write all prime numbers from 20 to 50.

Answers

Answer:

So, 23, 29, 31, 37, 41, 43 and 47 these are the prime numbers between 20 and 50.

Step-by-step explanation:

plz mark me brainliest

Answer:

So the prime numbers between 20 and 50 are so easy

- 23, 29, 31, 37, 41, 43 and 47

these are the prime numbers between 20 and 50

Step-by-step explanation:

Hope it helps

The area of the rectangle is 68 square units. Notice that you can divide the rectangle into two squares with equal area. How can you estimate the side length of each square? Estimate the length and width of the rectangle.

Answers

let "L" represent the length of the rectangle

let "W" represent the width of the rectangle

Area of the rectangle = LW

68= LW --------eqn 1

Area of a square = L/2 ×L/2

34= L^2/4

136=L^2

L= 11.67

From eqn 1 , W=68/L

W=68/11.6619

W=5.83

f(x)=19x+11 find f(4)

Answers

Answer:

Step-by-step explanation:

f(x)=19x+11

Let x = 4

f(4) = 19*4 +11

=76 +11

= 87

Answer:

[tex]f(x) = 19x + 11 \\ f(4) = 19 \times 4 + 11 \\ = 76 + 11 \\ = 87 \\ thank \: you[/tex]

Give THREE reasons why it is important to revise your study methods

Answers

Parking permits for school in

it helps you to remember facts, figures,topics and methodologies

Calculate x,y and z fully and give reasons.

Answers

Answer:

X=67°,Z=113°,Y=0°

Step-by-step explanation:

2.1=

X+113°=180°(being straight angle)

Or, X=180°-113°

Or,X=67° answer

Now,

Z=113°(being alternative angle)

Again,Y+Z+X=180°(being co-interior angle)

Or, Y+113°+67°=180°

Or,Y+180°=180°

Or,Y=180°-180°

=Y=0° answer

Simplify and show step by step 30 POINTS!

Answers

Step-by-step explanation:

the explanation is in the diagram above

20 points if these are correct pls

Answers

Step-by-step explanation:

14. 8

15. 60

16. 42

17. 45

18. 2

19. 8

20. 13

21. 18

o 14 . —> 8

o 15. —> 60

o 16 . —> 42 ( not 43 )

o 17. —> 45

o 18. —> 2

o 19. —> 8 (not 4 )

o 20. —> 13

o 21 —> 18 (not 12)

I hope I helped you^_^

If two vectors are perpendicular then what is the condition

Answers

Answer:

If two vectors are perpendicular, then their dot-product is equal to zero. The cross-product of two vectors is defined to be A×B = (a2_b3 - a3_b2, a3_b1 - a1_b3, a1_b2 - a2*b1). The cross product of two non-parallel vectors is a vector that is perpendicular to both of them.

Step-by-step explanation:

what is payment undercast

Answers

Answer:

Undercast refers to a forecasting error when estimated numbers turn out to be lower than realized numbers. The estimates that are valued can include sales, expenses, income, cash flows, or any other financial account or metric.

Hope it helps you.

Romeo bought a mixture of 20-cent, 35-cent,
and 50-cent valentines. The number of 20-cent
valentines was 1 more than twice the number of
35-cent valentines, and the number of 50-cent
valentines was 2 less than the number of
35-cent ones. If he spent $4.20 all together,
how many valentines of each kind did he buy?

Answers

9514 1404 393

Answer:

20-cent: 935-cent: 450-cent: 2

Step-by-step explanation:

Let x, y, z represent the numbers of 20-cent, 35-cent, and 50-cent valentines. Then the given relations can be written as ...

x = 1 +2y

z = -2 +y

0.20x +0.35y +0.50z = 4.20

Using the first two equations to substitute for x and y in the third equation, we get ...

0.20(1 +2y) +0.35y +0.50(-2 +y) = 4.20

1.25y -0.80 = 4.20 . . . . . simplify

1.25y = 5.00 . . . . . . . . . . add 0.80

y = 4 . . . . . . . . . . . . . . . divide by 1.25

x = 1 +2(4) = 9

z = -2 +4 = 2

Romeo bought 9 20-cent, 4 35-cent, and 2 50-cent valentines.

Which of the numbers below are not factors
of 108?
1, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 72, 108

NO LINKS PLEASE

Answers

Factors of 108: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54 and 108

3 pizza are shared equally between 10 people. Wat fraction of a pizza does each person receive?

Answers

Answer:

3/10

Step-by-step explanation:

Take the number of pizzas and divide by the number of people

3 pizzas / 10 people

Each person got 3/10 of a pizza

Answer:

[tex] \frac{3}{10} [/tex]

Step-by-step explanation:

[tex] \frac{pizza}{number \: \: of \: \: \: people} \\ \frac{3}{10} [/tex]

Each person received 3/10 of pizza

How do I simplify 2m : 125cm

Answers

Step-by-step explanation:

125cm = 1.25m.

2m : 1.25m = 8:5

125=1.25

2m: 1.25=8.5

what is ninety two thousand one hundred seventy

Answers

Answer:

92170

I hope it's helps you

Evaluate x square2 +12,when x=3

Answers

Answer:

Step-by-step explanation:

3^2=9

9+12=21

Keep it up

Find the difference.
1/2 - 1/8

Answers

Answer:

3/8

Step-by-step explanation:

1/2=⁴/8 and ⁴/8-¹/8=³/8

Last part of my brothers homework

Answers

So to find the average we need to add all three days of fishes together. And divide by the amount of days.

88 + 96 + 32= 216

216/3= 72

The average fish saw was 72.

Any questions? :)

A building is 1 foot from a 7 foot fence that surrounds the property a worker wants to wash a window in the building 10 foot from the ground he plans to place a ladder over the fence so it rest against a building he decides he should place a ladder 7 feet from the fence for stability to the nearest 10th of a foot how long with the latter need to be

Answers

Answer:

The guitar's volume was amplified, but it was hard to hear the notes since it was so loud.

What word or phrase is a signal word that a context clue might be nearby to help determine the meaning of "amplified"?

Step-by-step explanation:

Maggie studied for 2/5 of an
hour. Julie studied for 1/4 of an
hour. How much longer did
Maggie study?

Answers

Answer: 3/20

Concept:

When encountering questions that ask for [how much longer A comparing to B], the basic operation would be the value of A subtracted by the value of B.

Solve:

Given information

Maggie study time = 2/5 hours

Julie study time = 1/4 hours

Given expression deducted from the concept

Maggie (study time) - Julie (study time)

Substitute values into the expression

2/5 - 1/4

Find the denominators' Least Common Multiple (LCM)

First five multiples of 5: 5, 10, 15, 20, 25

First five multiples of 4: 4, 8, 12, 16, 20

Since [20] is the first term that appears in both multiples, it would be the LCM of 4 and 5

Convert the fractions to common denominator

2/5 = (2 × 4) / (5 × 4) = 8 / 20

1/4 = (1 × 5) / (4 × 5) = 5 / 20

Simplify by subtraction

=8/20 - 5/20

=(8 - 5) / 20

=[tex]\boxed{\frac{3}{20} }[/tex]

Hope this helps!! :)

Please let me know if you have any questions

Find (f-g) f (x)=2χ 2-2and g (x)=4x+1

A6x2-x
B 2x2+4x+3
C 2x2-4x-1
D 2x2+4x1

Answers

Answer:

None of the above.

Step-by-step explanation:

Just subtract the functions

it cost 25 to rent a car each day a 0.95m per mile

Answers

So what do l need to answer here ( the question is incomplete)

If X= 9 and Y = 3, what is XY

Answers

Answer:

[tex]x = 9 \\ y = 3 \\ xy = x \times y = 9 \times 3 \\ = 27[/tex]

Think About the Process The length of a rectangle is twice the width. The area of the rectangle is
54 square units. Notice that you can divide the rectangle into two squares with equal area. How
can you estimate the side length of each square? Estimate the length and width of the rectangle.
+
27
B. Estimate
4
C. Estimate 27.
D. Estimate 54
The rectangle is
(Round to the nearest tenth as needed.)
units long and units wide.
0
vo
(10
More
Enter your answer in the edit fields and then click Check Answer.

Answers

Answer:

Step-by-step explanation:

d is the midpoint of AC.what is the lenght of AB
look above for picture or below

Answers

Answer:

you would add 3x+2 and 6x-4

9x -2 is the length

Step-by-step explanation:

pls solve and put in simplest form

Answers

Answer:

Step-by-step explanation:

1. 20

2. 100

3. 25

4. 45

5. 50

6. 54

7. 80

8. 192

9. 33

10. 128

Find the area of the rectangle.
(3y+1) miles
25 miles

Answers

Answer:

Srectangle: (3y+1)*25=75y+25(cm^2)

Step-by-step explanation:

Srectangle= w*L

2259 round to nearest hundred

Answers

Answer:

2300

Step-by-step explanation:

when rounding 2259 to the nearest hundred look at the digit in the tens place, if the number is 5 or higher, you round up to 2300, if its 4 or less, you round down to 2200. hope this helps!

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Match the line described on the left with the slope of the line on the right. y = 3‐--------------------------------------undefined 9x – 3y = 18.--------------------------,------- - 2 the line through (5, 7) and (5, – 8) -------0 the line through ( – 4, – 1) and (-1,–7)--- 3. ​

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Match the line described on the left with the slope of the line on the right. y = 3‐--------------------------------------undefined 9x – 3y = 18.--------------------------,------- - 2 the line through (5, 7) and (5, – 8) -------0 the line through ( – 4, – 1) and (-1,–7)--- 3.