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n200080 [17]
2 years ago
15

I need help!!!!!!!!!!

Mathematics
1 answer:
Andru [333]2 years ago
4 0

Answer:

Yes

Step-by-step explanation:

The points will be on the same line if they have the same slope. Calculate the slope of each pair. If the slopes are the same, then they lie on the same line.

m = \frac{y_2-y_1}{x_2-x_1} = \frac{3-2}{1-4} = \frac{1}{-3} = -\frac{1}{3}

m = \frac{y_2-y_1}{x_2-x_1} = \frac{4-2}{-2-4} = \frac{2}{-6} = -\frac{1}{3}

m = \frac{y_2-y_1}{x_2-x_1} = \frac{4-3}{-2-1} = \frac{1}{-3} = -\frac{1}{3}

The slope is the same.

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A washer and a dryer cost $552 combined. The washer costs $98 less than the dryer. What is the cost of the dryer?
Sedaia [141]

552-98 = 450

454/2 = 227

washer cost $227

 227+98 = 325

dryer cost $325

 

5 0
3 years ago
The product of 10 and 2 more than a number is 240. Find the number.
Maurinko [17]

Answer:

The number is 220

Step-by-step explanation:

Let n represent the number

10(2) + n = 240

20 + n = 240

240 - 20 = 220

n = 220

8 0
3 years ago
3. Brenda's school is selling tickets to a spring musical. On the first day of
Natalija [7]

Answer:

The Answer is that Senior Citizen Tickets cost: $4 and Child tickets cost: $7.

Step-by-step explanation:

Let s = the cost of senior citizen tickets

Let c = the cost of child tickets

The number of tickets sold for each type added together equals the sales for each day. Equations below:

Day 1

3s + 9c = $75

Solve for s:

3s = 75 - 9c

s = 25 - 3c

Day 2

8s + 5c = $67

By substitution:

8(25 - 3c) + 5c = 67

200 - 24c + 5c = 67

-19c = -133

c = -133 / -19 = $7 cost for child tickets.

Solve for s:

s = 25 - 3c

s = 25 - 3(7)

s = 25 - 21 = $4 cost for senior citizen tickets.

Proofs:

Day 1

3s + 9c = $75

3(4) + 9(7) = 75

12 + 63 = 75

75 = 75

Day 2

8s + 5c = $67

8(4) + 5(7) = 67

32 + 35 = 67

67 = 67

4 0
2 years ago
Got some easy questions, to do. <br><br>Will give, Branliest.<br><br>:) ​
Ivanshal [37]

1.)3

2.)6

3.)9

4.)12

5.)18

6.)?

7.)?

8 0
2 years ago
Read 2 more answers
SOMEBODY PLEASE HELP ME!!!!!!! <br>Solve each system of equations<br> -3x + 3y =4 <br>-x + y =3​
g100num [7]
The 2 equations have no solution. If both are true, then

-3x + 3y = 4

-x + y = 4/3

Thus, 3 = 4/3, which is obviously wrong. Pls mark me as brainliest!
7 0
2 years ago
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