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
RoseWind [281]
3 years ago
9

The cost of a service call to fix a washing machine can be expressed by the linear function y = 45 x + 35, where y represents th

e total cost and x represents the number of hours it takes to fix the machine. What does the y-intercept represent? the cost for each hour it takes to repair the machine the service fee for coming to look at the machine the total cost for fixing the washing machine the amount of time that it takes to arrive at the home to make the repairs
Mathematics
2 answers:
8090 [49]3 years ago
7 0

The y-intercept is where the line starts on a graph. The y-intercept is 35.

This number doesn't change ever in the linear expression.

"45x" represents the slope of the line and "the number of hours it takes to fix the machine." y represents the total cost.

35 is the only value that doesn't get altered in the expression because its by it self.

The first option doesn't make much sense because it represents "45x" not the y-intercept.

The second option makes sense because the cost for looking at the machine doesn't change which represents the starting amount.

The third option doesn't make much sense because the total cost to fix the machine is represented by "y" in the original expression. It even says so in the question, "where y represents the total cost."

The fourth option doesn't make much sense because it has nothing to do with the actual problem it self.

Therefore, the only logical answer is "the service fee for coming to look at the machine."

Best of Luck!

Effectus [21]3 years ago
5 0

Answer:

B. The service fee for coming to look at the machine

Step-by-step explanation:

Whenever we have a linear equation like this in real-world problems, the y-intercept always represents a fixed cost of some sort.

Here, 35 is the y-intercept. It cannot represent "the cost for each hour it takes to repair the machine" because that's what 45 means.

It cannot represent "the total cost for fixing the washing machine" because that's what y means.

And it cannot represent "the amount of time that it takes to arrive at the home to make the repairs" because that's what x means.

Thus, 35 must be the service fee. This is the upfront fee that is fixed and doesn't change depending on time.

Hope this helps!

You might be interested in
You can buy ? yen with $560
grigory [225]
No buy crack its way betterksjsjsjsjjsjsjs
5 0
3 years ago
Read 2 more answers
A flying cannonball’s height is described by formula y=−16t^2+300t. Find the highest point of its trajectory. In how many second
Yakvenalex [24]
<span>Highest point = 1406.25 Number of seconds = 9.375 We've been given the quadratic equation y = -16t^2 + 300t which describes a parabola. Since a parabola is a symmetric curve, the highest value will have a t value midway between its roots. So using the quadratic formula with A = -16, B = 300, C = 0. We get the roots of t = 0, and t = 18.75. The midpoint will be (0 + 18.75)/2 = 9.375 So let's calculate the height at t = 9.375. y = -16t^2 + 300t y = -16(9.375)^2 + 300(9.375) y = -16(87.890625) + 300(9.375) y = -1406.25 + 2812.5 y = 1406.25 So the highest point will be 1406.25 after 9.375 seconds. Let's verify that. I'll use the value of (9.375 + e) for the time and substitute that into the height equation and see what I get.' y = -16t^2 + 300t y = -16(9.375 + e)^2 + 300(9.375 + e) y = -16(87.890625 + 18.75e + e^2) + 300(9.375 + e) y = -1406.25 - 300e - 16e^2 + 2812.5 + 300e y = 1406.25 - 16e^2 Notice that the only term with e is -16e^2. Any non-zero value for e will cause that term to be negative and reduce the total value of the equation. Therefore any time value other than 9.375 will result in a lower height of the cannon ball. So 9.375 is the correct time and 1406.25 is the correct height.</span>
4 0
3 years ago
Undecillion how many 0s.
Irina-Kira [14]

Answer:

<u>Undecillion</u> has 36 0's

\sf{\#FromThePhilippines}

8 0
2 years ago
It is expected that 563 quadrillion thermal units of Btu (British thermal units) of energy will be
Evgesh-ka [11]

Answer:

the expected rate of change in consumption is 11.83

Step-by-step explanation:

The computation of the expected rate of change in consumption is shown below:

= (Expected quadrillion thermal units - 2003 quadrillion thermal units) ÷ (difference in years)

= (563 - 421) ÷ (2015 - 2003)

= 142 ÷ 12

= 11.83

hence, the expected rate of change in consumption is 11.83

We simply applied the above formula so that the correct value could come

And, the same is to be considered

3 0
3 years ago
Which of the following is a key property of the linear parent function
marshall27 [118]
It is definitely the letter B because of the liner parent function
5 0
3 years ago
Read 2 more answers
Other questions:
  • Is 3 sin(alpha)+4 cos(beta)=8 possible
    14·2 answers
  • A cafeteria serves 120 pints of milk each day . how many quarts of milk does the cafetieria serve each day
    12·1 answer
  • Write an equation for a line that passes through the following points (-5,8) (-3,-8)
    9·1 answer
  • In a village, the cases of a particular infectious
    6·1 answer
  • Please help me with this question
    6·1 answer
  • Mariano quiere comprar un reloj de $4500. por el pago de contado le hacen un descuento de 900$. a) Qué porcentaje es el descuent
    7·1 answer
  • Given DEFG is a rhombus. Find the indicated measures.
    8·1 answer
  • #10 Compare the<br> numbers below using &lt;, &gt;<br> or =<br> -67 _-62
    6·2 answers
  • A jeweler had a fixed amount of gold to make bracelets and necklaces. The amount of gold in each bracelet is 7 grams and the amo
    10·1 answer
  • A roller coaster at XTRA Fun Rides goes into an underground tunnel during the first descent of the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!