1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Stells [14]
3 years ago
14

The cost of 4 dance lessons is $49. The cost of 12 lessons is $117. Write a linear equation to find the total cost C for x lesso

ns.
Mathematics
2 answers:
lesantik [10]3 years ago
5 0

Answer:

answer below, I think this is what you mean but idk

Step-by-step explanation:

Write out the 2 points.

(7,82)

(11,122)

2) Find the slope (change in y divided by change in x).

Slope = (122-82) / (11-7) = 40/4 = 10

3) Pick one of the points and insert it into point slope form.

y - 82 = 10(x-7)

y-82 = 10x-70

y = 10x + 12

4) Check your answer on the other point.

82 = 10(7) + 12

82=82

lilavasa [31]3 years ago
4 0

Answer:

4x 49 +117

Step-by-step explanation:

(1): "x4"   was replaced by   "x^4".

STEP

1

:

Equation at the end of step 1

 22x49 +  117

STEP

2

:

Final result :

 4x49 + 117

You might be interested in
Please Help me plz! Thanks
Contact [7]

Option D:

The equation of a line in point-slope form is y = 3x – 7.

Solution:

Take any two points on the line given in the graph.

Let the points be (–4, 4) and (2, 2).

x_1=-4, y_1=4, x_2=2, y_2=2

Slope of the given line:

m_1=\frac{y_2-y_1}{x_2-x_1}

m_1=\frac{2-4}{2-(-4)}

m_1=\frac{-2}{6}

m_1=\frac{-1}{3}

<em>If two lines are perpendicular, then the product of their slopes are –1.</em>

\Rightarrow m_1\times m_2=-1

\Rightarrow \frac{-1}{3} \times m_2=-1

Multiply by 3 on both sides of the equation.

\Rightarrow- m_2=-3

Multiply by –1 on both sides of the equation.

⇒ m_2=3

Perpendicular line passes through the point (2, –1).

Here, x_1=2, y_1=-1.

Using point-slope form:

y-y_1=m(x-x_1)

y-(-1)=3(x-2)

y+1=3x-6

Subtract 1 on both sides of the equation.

y=3x-7

The equation of a line in point-slope form is y = 3x – 7.

Therefore option D is the correct answer.

5 0
3 years ago
Michael Jaison a card from a standard deck of 52 cards she replaces the card in draws a second card what is the probability that
Aloiza [94]
Half of the cards are red, and half are black. The possibility of him drawing red the first time was \frac{1}{2}. The possibility of drawing black the second time was also \frac{1}{2}. To find the possibility of both, simply multiply \frac{1}{2} by itself. What is \frac{1}{2} * \frac{1}{2}?
3 0
4 years ago
A bag of 15 apples was shared among five boys equally.How many apples did each boy get
andreyandreev [35.5K]

Answer:

3 apples

Step-by-step explanation:

15 / 5 = 3

3 0
3 years ago
Read 2 more answers
Vince began practicing piano at 11:15 P.M He stopped at 11:35 P.M How many degrees did the minute hand turn during Vince practic
Serga [27]

Answer:

Vince began practicing piano at 11:15 P.M

He stopped at 11:35 P.M

=> He practiced in 35 - 15 = 20 mins = 1/3 hour.

=> 1/3 hour means 1/3 circle, the number of degrees the minute hand turned:

N = (1/3) x 360 = 120 deg (1 circle = 360 deg)

Hope this helps!

:)

8 0
3 years ago
Read 2 more answers
What value of m satisfies the equation<br> m-2=2-m?<br>​
zhuklara [117]

Hello,

Answer: m = 2

Step-by-step explanation:

       m - 2 = 2 - m

⇔ m - 2 + m = 2 - m + m

⇔ 2m - 2 = 2

⇔ 2m - 2 + 2 = 2 + 2

⇔ 2m = 4

⇔ 2m/2 = 4/2

⇔ m = 2

7 0
2 years ago
Read 2 more answers
Other questions:
  • What is 48,371 rounded to the nearest thousand?
    13·1 answer
  • Joanna joins a CD club. She pays $7 per month plus $10 for each CD that she orders. Write an inequality to find how many CDs she
    13·1 answer
  • Keegan jogs laps around a park playground. The playground is 90m long and 35m wide. How many laps will it take him to jog 1 km?
    6·1 answer
  • Plss help 0-0
    13·1 answer
  • Tim drives at an average speed of 80km per hour for 3 hours and 45 minutes. How many kilometers does Tim drive
    5·1 answer
  • PLS HELP BEST ANSWER GETS BRAINLIEST\
    14·1 answer
  • A number n is no less than -3. what is the inequality
    15·1 answer
  • What is the value of the expression (23 — 1) + 32?​
    5·2 answers
  • the points (80,20) and (120,30) form a proportional relationship. What is the slope of the line that passes though these points?
    7·1 answer
  • Factor the expression using the GCF.<br><br> 58+28=
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!