what is the solution of 2x-y=9

Answers

Answer 1
Simplifying 2x + -1y = 9 Solving 2x + -1y = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'y' to each side of the equation. 2x + -1y + y = 9 + y Combine like terms: -1y + y = 0 2x + 0 = 9 + y 2x = 9 + y Divide each side by '2'. x = 4.5 + 0.5y Simplifying x = 4.5 + 0.5y

Hope this helps :)

~I tried to space it out so it wont look like a bunch of mess scrambled up xD~

Related Questions

Help evaluating the question for 14,16

Answers

Number 14 is 61 and Number 16 is 36..,.



number 14 is (36 + 16), sorry I could only do the first one

slope slopeeeeeeee slopeeee

Answers

Only (2,3). If you plug in the other one, you get a false equation. 

What is the length of the hypotenuse?

Answers

I hope this helps you
a^2+b^2=c^2
9^2+12^2=c^2
81+144=c^2
225=c^2(get the square root 
15=c
hypotenuse=15

Phil is riding his bike he writes 42 miles in 4 hours whats 52.5 miles in 5 hours and 63 miles and 6 hours find the constant of proportional and write an equation to describe the situation let X represent the #of hours.

Answers

Answer:

Step-by-step explanation:

The constant of proportionality (known as "speed" in this case) is 12.5 miles per hour. 

d= 12.5 x t 

To find the constant of proportionality, divide one value in each pair by the other. If this relationship is a true direct proportionality , when you repeat these for every pair, your will come up with the same value:

For example

25miles÷2hours=12.5mileshour

A direct proportionality will always result in an equation that resembles this:

y=kx

where y and x are the related quantities and k is the constant of proportionality. If you draw a graph using the values you have, the graph will show a straight line the passes through the origin. The slope of this line will be the constant of proportionality. (And if the values given are real physical quantities, this constant will contain important information about the situation you are studying!)

help asap i raised to 15 points so plz help and i want clear answer The rental rate for a cement mixer has a flat rate of $40 plus $20 for each day of the rental. The graph shows points representing the total cost of the rental.

Which linear equation, in slope-intercept form, that models the total cost of the rental over time?

a y=x+50

b y=25x

c y=20x+40

d y=50x+25

e y=75x

Answers

Im not really good at these but i do think it is c. Sorry im not 100% sure. 
Well, the formula for that is y=mx+b, so we know b and e are invalid.  The slope is 20, so the answer should be c.
 Hope this helps!

Kelli and Karl each have a job. Kelli earns $20 an hour. She also receives a $100 weekly bonus. 

Kelli made a table to show how much she earns in a given week.

Hours : 0, 5, 10, 15, 20, 25, 30, 35, 40,

Weekly earnings : 100, 200, 300, 400, 500, 600, 700, 800, 900,

Karl earns $25 an hour and receives a $50 weekly bonus.

Karl made a graph to show how much he earns per hour in a given week.

How many hours will it take Kelli and Karl to earn the same amount of money?

Enter your answer below.

? Hours

Answers

Equation for Kelli's earning = 20x + 100
Equation for Karl's earning = 25x + 50

Now, 20x +100 = 25x +50
25x-20x = 100-50
5x = 50
x = 10

So, your answer is 10 hours.

Hope this helps!
20h+100=25h+50
20h+50=25h
50=5h
10=h
They must work 10 hours a week to earn the same amount.

Hope this helps :)

A filter in the shape of a cone has a diameter of 3 inches and a height of 4 inches.
How much liquid can the filter hold without it overflowing?
A) π in3
B) 3π in3
C) 12π in 3
D) 36π in3

Answers

Answer:

the correct answer in ''B''

Step-by-step explanation:


Final answer:

The cone-shaped filter with a diameter of 3 inches and a height of 4 inches can hold 3π inches³ of liquid without overflowing, which corresponds to choice B.

Explanation:

To find how much liquid can be held in a cone-shaped filter without overflowing, we use the formula for the volume of a cone, V = πr²h/3, where r is the radius, h is the height, and π (pi) is approximately 3.14. Given that the diameter of the cone is 3 inches, the radius (r) would be half of that, which is 1.5 inches. The height (h) is given as 4 inches. Plugging these values into the formula gives us:

V = π(1.5²)(4)/3 = π(2.25)(4)/3 = π(9)/3 = 3π inches³

Therefore, the cone-shaped filter can hold 3π inches³ of liquid without overflowing, which corresponds to choice B.

A car traveled 200 miles on 8 gallons of gas. Find the unit rate of gallons per mile.

Answers

0.04 gallons per mile

Hope I helped please press "thanks" button, It will make me happier
what comes after 24?

25...............................















what expression can be used to find the total discount $42 30%

Answers

42 x 30 divided by 100 because


42 is how much it is, and your trying to find 30% of it, so 42x30. Since 100 is the max percentage for 1 whole, divided by 100 to get your discount price

Atlantic Auditorium has 850 seats. Tickets were sold for 816 of the seats. For what percent of the seats were tickets sold?

Answers

96%

816/850 = 0.96, which is 96%

Answer:

96%

Step-by-step explanation:

Just divide 850 and 816 and you will get 0.96 which is 96 %.

What number does ▲ stand for in this equation?
6 × 3 = (▲ × 5) – (▲ × 2)

Answers

For the sake of this problem I will cal the triangle x and the times sign will be *

6*3=(x*5)-(x*2)
18=5x-2x
18=3x
6=x

Hope this helps  :)

If 2 feet on a model represent 1/4 inch, then how many feet represent 1 inch

Answers

8. 2 feet = 1/4 inch.
2 x 4 = 8 or 4/4

Answer: Eight feet equal 1"

Solution:
1/4 or .25 = 2'
2/4 or 1/2 or .50 = 4'
3/4 or .75 = 6'
4/4 or 1" = 8' ----> Answer

What is the slope intercept form of the linear equation x + 4y = 12

Answers

y= -1/4x + 3

i need the brainliest answer please

x+4y=12
-x from each side to isolate the y term:
4y=-x+12
Divide everything by 4 so that 4y become just y:
y=-1/4x+3

Hope this helps :)

Which ratio forms a proportion with 18/27?
A. 1/3
B. 2/5
C. 2/3
D. 7/9

Answers

C, 2/3

18 divided by 9 equals 2

27 divided by 9 equals 3

Answer:

C. [tex]\frac{2}{3}[/tex]

Step-by-step explanation:

The proportions are nothing but the equivalent ratios.

We  are given the proportion =  [tex]\frac{18}{27}[/tex]

We can reduce this proportion using the Greatest Common Factor (GCF).

The GCF of 18 and 27 is 9.

Therefore, dividing the numerator and the denominator by 9, we get

=  [tex]\frac{18divide9}{27divide9}[/tex]

=  [tex]\frac{2}{3}[/tex]

Therefore, the answer is C. [tex]\frac{2}{3}[/tex]

9 and 3/4 divided by 4 and 1/8 as a fraction or mixed number in simplest form

Answers

2 and 4/11

39/4 / 33/8

39 x 8
4 x 33

312/132

Simplify it to 26/11 or 2 4/11

When adding 51.2 to a certain number, the sum is 56.05, as seen below. What number should go in the box to complete the addition problem?

Answers

the number in the box would be 4.

hope this helps you
The answer is 4 because when you add the two digits to the right you have to carry one, and 1+1+x = 6 so 2+x=6, so x=4

is this scientific notation? 0.99×10^12

Answers

Yes fam Yes fam Yes fam Yes fam Yes fam

If the wall is 8 feet high, what is the combination height of all of the heights of the bouncy balls?

Answers

18 but just add and if there is for the 8/8 that us ur answer hope i heloed

balance the equation out by filling in the blank for the missing number

89 - 45 = 90 - ____

with an examle

Answers

89 - 45 = 90 - 44 I would think?
89 - 45 = 90 - ___
44 = 90 - ___
44 = 90 - 46
44 = 44 

the answer is 44

lee walked a total of 4.48 miles. he walks 1.4 miles each hour. how long did lee walk?

Answers

The answer is 3.2 hours

lesson 7 homework practice convert measurment unit

Answers

What is the problem? 

The correct option is d. 8 oz. can of juice is most convenient to meet this requirement.

First, let's convert 240 milliliters to ounces because the answer choices are in ounces.

1 milliliter is approximately equal to 0.0338 ounces.

So, 240 milliliters is approximately \( 240 \times 0.0338 \) ounces, which is about 8.112 ounces.

Now, let's examine the options:

a. 5 oz. can of juice: Not enough juice. It's less than the required 8.112 ounces.

b. 4 oz. can of juice: Not enough juice. It's less than the required 8.112 ounces.

c. 12 oz. can of juice: More than enough juice. It's more than the required 8.112 ounces.

d. 8 oz. can of juice: Exactly the amount needed. It matches the required 8.112 ounces.

Since the resident is supposed to have 240 milliliters of juice every 2 hours, and 240 milliliters is approximately 8.112 ounces, the closest can size that would meet this requirement without being wasteful is an 8 oz. can. The 5 oz. and 4 oz. cans would not provide enough juice, and the 12 oz. can would provide more than necessary, potentially leading to waste or overconsumption. Therefore, the 8 oz. can is the most convenient and appropriate choice.

Members of the Blade runners skating club collected $950 from fundraising activities.They want to buy Altrablade skates, which are $48 a pair. How many pairs of skates can they buy? What does the remainder represent

Answers

They can buy 19 pairs of skates, the $38 that remained is for the skating club.

Answer:

19 pairs

need 21% of $48 to buy 20th pair

Step-by-step explanation:

If the members collected $950 and they want to by Altrablade skates for $48 a pair, the amount of pairs of skates can be determine by dividing the total amount collected by the cost per skates:

[tex]950/48=19.79=19[/tex]

They can buy 19 pairs of skates by the remainder is 0.79. This represents the amount still needed to buy the 20th pair of skates. So they would need 21% of the $48 to buy a extra pair.

what is the answer to 38-19+12

Answers

To solve the expression 38-19+12, we subtract 19 from 38, resulting in 19, and then add 12 to get an answer of 31.

To solve the expression 38-19+12, we should follow the proper order of operations, which in this case, simply requires us to perform the subtraction and addition in the sequence they appear from left to right. First, subtract 19 from 38, then add 12 to the result.

Subtract 19 from 38, which equals 19 (38 - 19 = 19).

Add 12 to the result from step 1, which gives us 31 (19 + 12 = 31).

Therefore, the answer to the expression is 31.

is 3/2 and 18/8 proportional

Answers

No, to get 3 to 18, you multiply by 6. To get 2 to 8, you multiply by 4. 
No because 3/2 can't multiply any number to get to 8 and 18 because it is not compatible.

divide 130 in the ratio 6:7

Answers

60:70 That is the answer
60:70 is the right answer

Hope This Helps

23×42+ 12×23+23×23+12×32

Answers

The answer will be 2,155

Answer:

 2,155

Step-by-step explanation:

What is Least to greatest??

Answers

The smallest amount to the largest
-10, -0.5, 5/16, 2
Smallest number to biggest. Negatives are smaller than positive ones.

If hot dog buns come in packages of 6 and hot dog buns come in packages of 8 what is the least number of hot dog and buns you could buy to have the same number of hot dogs and buns?

Answers

48 is the answer for sure
You would need to buy 48

What percent of 60 is 15

Answers

15 percent of 60 is 9.

Replace each with <, >, or = to make a true sentence.
–6 −4

Answers

If both of the numbers were positive, then we would do 6 > 4. But because these numbers are negative, we do the opposite.

-6 < -4
(-6) <(4)
I said -4 is greater than -6 because when the number is closer to the zero it is greater than the other.
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