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Harrizon [31]
3 years ago
9

Consider a function that describes how a particular cars gas mileage depends on its speed. What would be an appropriate domain f

or this function?
Mathematics
2 answers:
Elina [12.6K]3 years ago
8 0

gas mileage = k*s, where k is a constant of proportionality and s is the speed. Unfortunately, this does not take into account the fact that the engine consumes fuel even when the car is not moving.


Here it makes most sense to regard {0, S} as the domain for this function. Here, S would represent the car's top speed.


erica [24]3 years ago
8 0

Answer:

a

Step-by-step explanation:

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What is the estimate of 8.354
MakcuM [25]
It's 8 if you're doing ones but if you're doing tenths it's 8.4 and i
8 0
3 years ago
A student is trying to solve the system of two equations given below: equation p: y z = 6 equation q: 3y 4z = 1 which of these i
Vadim26 [7]

<u>Option C is correct </u><u>(y + z = 6) ⋅ −3</u>

What is a linear equation in math?

  • A linear equation only has one or two variables.
  • No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.
  • When you find pairs of values that make a linear equation true and plot those pairs on a coordinate grid, all of the points lie on the same line.

As per the statement -

A student is trying to solve the system of two equations given below:

Equation P:   y + z = 6              ....[1]

Equation Q:  3y + 4z = 1           ....[2]

Multiply the equation [1] by -3 to both sides we have;

-3 .( y + z = 6 ) ⇒ -3y -3z = -18..........(3)

                   

Add equation [2] and [3] to eliminate the y-term;

z = -17

Therefore, the  possible step used in eliminating the y-term is, (y + z = 6) ⋅ −3

Learn more about linear equation

brainly.com/question/11897796

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<u>The complete question is -</u>

A student is trying to solve the system of two equations given below: Equation P: y + z = 6 Equation Q: 3y + 4z = 1 Which of these is a possible step used in eliminating the y-term?

(y + z = 6) ⋅ 4

(3y + 4z = 1) ⋅ 4

(y + z = 6) ⋅ −3

(3y + 4z = 1) ⋅ 3

6 0
1 year ago
1.5x + 1.3x = -8.4<br><br> I just wanted to make sure i got it right I got X = 42
Marianna [84]

Answer:

Hello there! I'm Ashlynn I'm always here to help!

___________________________________________

1.5x+1.3x

Combine 1.5x and 1.3x to get 2.8x.

(2.8x)

Subtract 1 from 1.

2.8x  

0

 

For any term t except 0, t  

0

=1.

2.8×1

For any term t, t×1=t and 1t=t.

2.8

________________________________________________________

<em>“Let your unique awesomeness and positive energy inspire confidence in others.” </em>

<em> - </em><em>Anonymous</em>

4 0
3 years ago
What number makes the equation true? 25-6=7+4+?
lora16 [44]
The answer is 8, I hoped I helped you!
5 0
3 years ago
Write a formula for the sequence of cube numbers: 1, 8, 27, 64, ….
Marianna [84]

Answer: n^3, where n = 1,2,3,4,.....

Step-by-step explanation:

The given sequence : 1, 8, 27, 64, ….

We observe that the terms are perfect cubes of consecutive integers (starting from 1) .

Terms can be written as:

First term =  a_1=1=1^3

Second term=a_2=8=2^3

Third term = a_3=27=3^3

Fourth term =a_4=64=4^3

Thus , for any nth term ,the formula for the sequence is : n^3, where n = 1,2,3,4,.....

4 0
3 years ago
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