Mathematics High School

3x-3y= 4
-3x+3y= 3
how do i solve this equation using the elimination method?

Answers

Answer 1

Step-by-step explanation:

3x-3y=4

3y= 3x -4

y= x-4/3

-3x+3y=3

3y= 3x+3

y= x +1

.....

Since they have the same slope and different y-intercepts , then there are no solutions for these equations because they're parallel.

Related Questions

Help me I have a Timer

Answers

Answer:

14 x 10^6

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
1.4×10^7

Blue box: 1.4
Exponent/Orange Box: 7

PLEASE HELP!!! THIS IS DUE TODAY!

A three-bedroom house in Burbville was purchased for $210,000. Housing prices are expected to increase 2% annually in that town. Find the price of the house in 5 years. Show your equation (2 points), and then your answer (2 points).

Answers

Answer:

qjavaivsjsjajjsnssjskksjskskmamaansxbxk

Answer: y=210000(1+0.02)^5

y=231856.97

Step-by-step explanation:

210000 is the total cost and it increases by two percent and its asking how much it will be in 5 years so when you plug in the equation you should get y=231856.97.

Hope this helped

fill in the table using the function rule

Answers

Answer:

for number 1 y = 21 for number 2 y = 39 for the 3rd 1 its y = 54 and the final 1 is y = 63

Step-by-step explanation:

plz if I'm right plz mark me brainlist because this took a long time

What is the value of x?
55
105
A. 55
B. 500
C. 160°
D. 200

Answers

Answer:

c

Step-by-step explanation:

Pls answer b and c for my brother

Answers

Answer:

B and C

Step-by-step explanation:

Answer:

this was hard

Step-by-step explanation:

1b. 7 1/2

2b. 9 3/4

3b. 6 1/2

4b. 2 2/3

5b. 3 1/3

6b. 9 3/4

7b. 8 6/7

8b. 5 2/3

9b. 3 3/5

10b. 28

1c. 8 4/5

2c. 8 2/3

3c. 5 2/3

4c. 2 1/3

5c. 5 1/2

6c. 2 3/7

7c. 7 4/5

8c. 8 1/2

9c. 2 3/4

10c. 122

Write an equation that could be used to find how many miles a hybrid suv can travel in the city on 20 gallons

Answers

Answer:

m=36×20

Step-by-step explanation:

A hybrid SUV uses 36 miles per gallon in the city.

The equation that could be used to find how many miles a hybrid SUV can travel in the city on 20 gallons of gas is m=36×20.

8 pens cost £4.72
How much would 13 pens cost?

Answers

Answer:

$7.67

Step-by-step explanation:

So if 8 pens cost $4.72, one pen would cost $0.59. 0.59 x 13 will be equal to 7.67.

Answer:

13 pens would cost £22.

Step-by-step explanation:

8 divided by 4.72 is equal to 1.70 (Estimated)

13 times 1.7 is equal to 22 (Estimated)

Not Estimated

8 divided by 4.72 is equal to 1.69491525424

13 times 1.69491525424 is equal to 22.0338983051

1+√1-x =(√2x +4)² ........
​

Answers

Answer:

x =−3.28642165

Step-by-step explanation:

ABC is a straight angle.
Find ABX and CBX .

Answers

Answer:

Step-by-step explanation:

14x+70+20x+8 =180

34x + 78 = 180

34x = 102

X = 3

ABX 14(3)+70 = 112

CBX = 20(3) +8= 68

SOLVE PLEASE!!!

A. If a person bikes .24 miles in 1 minute, how far can he bike in 90 minutes?

B. A store sells notebooks at 2 for $4.72. Mrs. Johnston needs to buy 11 for her 3rd period class. How much will she have to pay for all of them.


Please solve a AND b BOTH OF THEM THEN YOU'LL GET 100 points plus the drown.

Answers

Answer: A.1.5 hours = 90 minutes

B.2.4 x 9= 21.6 miles

Step-by-step explanation:

Which relationship between x and y in the equation shows a proportional relationship?

A y=x/2 + 3
B y = 2x + 6
C y = 12x
D y=12/x

Answers

Answer:

the answer is c

Step-by-step explanation:

at least they got a relationship

1 markers cost $7.04
Which equation would help determine the cost of 7 markers!

Answers

the answer to the question is A

What is the value of c?

Answers

answer is c=26

hope that helped loll

Answer:

by using angle sum property

Angles a+b+c = 180 degree.

thus, 42+86+c= 180

128+c=180

c=180-128

c=52

If your phone cord is wrapped up in a rectangle that is 2x1 feet, how far can it reach?

Answers

Answer:

6 feet

Step-by-step explanation:

You are basically finding the perimeter of this rectangle.

2+2+1+1 = 6

PLEASE HELP DUE IN 15 MINS​

Answers

Answer:

22) 3 in<x<11 in

23) 8 cm<x<26 cm

24) 0 ft<x<10 ft

25) 9 m<x<31 m

26) 2 km<x<14 km

27) 13 in<x<61 in

Step-by-step explanation:

It has to be greater than the difference and smaller than the sum.

22) 7-4=3, 4+7=11, so the answer is 3<x<11

23) 8<x<26

24) 0<x<10

25) 9<x<31

26) 2<x<14

27) 13<x<61

In this triangle, what is sin 30°? What is sin 60°? What is the product of sin 30° and sin 60°?

Answers

Answer:

1800

Step-by-step explanation:

60.30= 1800

The correct answer is 1800

What is the multiplicative inverse 23/7?​

Answers

Answer:

7/23

Step-by-step explanation:

HELP I NEED HELP ASAP

Answers

Last one lose .05 mL

There is 1/ 3 gallon of water in a 3-gallon container. What fraction of the container is filled?

Answers

Step-by-step explanation:

2/3 gallons is empty

1/3 gallons is filled

so

3*1/3= 1

1 gallon filled

Answer:

1/9

Step-by-step explanation:

if it is only 1/3 of 1 gallon, then multiply 3 by 3 to get 9, then you have 1/9

Subject:Mathematics ​

Answers

The answer is A/the first one, I hope this helped

What is the value of z?

Answers

answer is z=17

hope that helped loll

Answer:

17

Step-by-step explanation:

30+31=61

180-61=119

119/7=17

Evan measured a line to be 17.5 inches long. If the actual length of the line is 16.7
inches, then what was the percent error of the measurement, to the nearest tenth of a
percent?

Answers

Answer:

3.6%

Step-by-step explanation:

( sorry for commenting, I need points to ask questions I dearly apologize!)

some help me!!!! Please

Answers

This is a system of equations or simultaneous equations.
M=1.95 S=1.25

7 Lanza is a gardener.
She has this plan of a garden.
9m
8m
Lanza needs to put grass turf to cover this garden.
She charges £16 a square metre to put grass turf in a garden.
Lanza thinks she will need to charge more than £800 to put grass turf in this garden.
Is she correct?
Show why you think this.​

Answers

Answer:£872

Step-by-step explanation:

please help and explain how to solve

Answers

Answer:

45

Step-by-step explanation:

25 ÷ 45 = 0.555 x 81 = 45

Answer:

A 45-foot tree will cast a 81-foot shadow.

Step-by-step explanation:

Set up a proportion.

I'll set mine up like this:

[tex]\frac{Height of Tree}{Shadow}=\frac{Height of Tree}{Shadow}[/tex]

Insert the values given then solve for the unknown (t).

[tex]\frac{25}{45}=\frac{t}{81}[/tex]

[tex](81)\frac{25}{45}=\frac{t}{81}(81)[/tex]

[tex]45=t[/tex]

Suppose you are facing north, each time you turn, you are going to turn 90 degrees. If you turn 2 times to the right, 1 time to the left, 3 times to the right, 2 times to the right, and 1 time to the left, which way are you now facing?

Answers

Answer:

East

Step-by-step explanation:

Starting position = North

Condition = each time you turn, you are going to turn 90 degrees

Using the image attached as a guide;

If you turn 2 times to the right

- Turning the first time to the right changes the direction to East

- Turning the second time to the right changes the direction to South

1 time to the left

- Turning once to the left changes the direction to East

3 times to the right

- Turning the first time to the right changes the direction to South

- Turning the second time to the right changes the direction to West

- Turning the second time to the right changes the direction to North

2 times to the right

- Turning the first time to the right changes the direction to East

- Turning the second time to the right changes the direction to South

1 time to the left

- Turning once to the left changes the direction to East

A woman put $580 into a savings account for one year. The rate of interest on the account was 6½%. How much was the interest for the year in dollars and cents? (Round to the nearest cent)

Answers

Answer:

Step-by-step explanation:

principal amount by women for savings = $ 580

duration = 1 year and rate of interest on it = 6 .1/2 % = 13/200

now amount of interest she'll be earning = $580 x 1 x 13 /200 = $37.7

thats  37 dollar 70 cents

Explain how you would solve the equation. Justify each step.
d ÷ 9 = 8

Answers

first you do 9 x 8 which equals 72 and 72 divided by 9 equals 8 so it is 72.

simplify answer, round to nearest 10th in radical form

Answers

Answer:

adassdasdsa c c c c cc c c c c c c c cc c c c

Step-by-step explanation:

2) Find the volume of a container that measures 4 inches long,
5 inches high, and 8-inches wide.

Answers

Answer:

160 inches

Step-by-step explanation:

4*5*8=160

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