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LiRa [457]
3 years ago
10

How do I solve 6x (y-x)

Mathematics
1 answer:
Rudik [331]3 years ago
8 0

Answer:

Step-by-step explanation:

6x(y-x)

=6xy-6x^2

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The function y=3.5x+2.8 represents the cost y (in dollars) of a taxi ride of x miles
andrew11 [14]
Given that the function y=3.5x+2.8 represents the cost y (in dollars) of a taxi ride of x miles, and that <span>you have enough money to travel at most 20 miles.

The domain of a function is the set of possible values of x, given that the maximum number of miles you can travel is 20 miles, the domain of the function is from 0 to 20.

Domain = {x: 0 ≤ x ≤ 20}

The range of a function is the set of the possible values of the function.

For x = 0, y = 3.5(0) + 2.8 = 2.8
For x = 20, y = 3.5(20) + 2.8 = 72.8

Therefore, the range of the function is from $2.8 when no mile was covered and $72.8 when 20 miles was covered.

Therefore, range = {y: 2.8 ≤ y ≤ 72.8}
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4 0
3 years ago
I need the answer key to all they questions. The book is Digits. Lesson 11 Unit 5 Angle- Angle Triangle Similarity. Who can help
OlgaM077 [116]
Go to slader online and try to look up your textbook for the answers to all the questions
4 0
3 years ago
Think of one leg of a right triangle is 21' and the length of the hypothenuse is 29' what is the length of the other leg
Ksivusya [100]

Answer:

length of other leg = 20'

Step-by-step explanation:

Given:

One leg of triangle let it be base of triangle = 21'

Hypotenuse = 29'

To Find:

Third leg =perpendicular = ?

Solution:

Given is a right angled triangle with two of its sides given to us

We have Pythagoras theorem for right angled triangle and according to it

Pythagoras theorem is

for a right angled triangle

(hyp) ² = (perp)²+(base)²

We have the values of hyp and base

putting them in the equation we get

(29) ² = (perp) ²+(21) ²

841 = (perp) ² + 441

subtracting 441 from both sides we get

841 - 441 = (perp) ² + 441 - 441

400 =  (perp)²

or

(perp) ²=400

Taking square root of both sides

\sqrt{(perp)^{2} }=\sqrt{400}

it gives us

perp = ± 20'

As it is length and it can not be negative so

perp = 20'

or

length of other leg = 20'

3 0
3 years ago
Bob earns money by tutoring friends at $8 per hour and walking dogs for $7.50 per hour. He has 15 hours available to work each w
Yakvenalex [24]
14.375 hours a week hope this helps, mark as brainlyest
5 0
4 years ago
The area of the rectangle shown below is 6x2+11x-7 square units. the length is 2x-1 what is the width
Hitman42 [59]

Answer:

Width is 3x+7 units

Step-by-step explanation:

In the attached file

5 0
3 years ago
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