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Lerok [7]
2 years ago
12

The equation the quantity of x plus 20 over 2 = 3x represents when two tutoring services with different rate plans charge the sa

me fees for a session of x hours. solve for x.
Mathematics
1 answer:
victus00 [196]2 years ago
7 0

The solution to the equation is x = 4

<h3>What are linear equations?</h3>

Linear equations are equations that have constant average rates of change. Note that the constant average rates of change can also be regarded as the slope or the gradient

<h3>How to determine the solution to the system?</h3>

A system of linear equations is a collection of at least two linear equations.

In this case, the equation is given as

(x + 20)/2 = 3x

Multiply both sides of the equation by 2

x + 20 = 6x

Subtract x from both sides of the equation

5x = 20

Divide both sides of the equation by 5

x = 4

hence, the solution to the equation is x = 4

Read more about equations at:

brainly.com/question/2972832

#SPJ1

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The function f(x) = –x2 − 2x + 15 is shown on the graph. What are the domain and range of the function?
Makovka662 [10]
The function is a parabola which opens downwards.
-x^2 - 2x + 15
-(x^2 + 2x) + 15
= -[(x + 1)^2 - 1 ]+ 15
= -(x + 1)^2 + 16

The domain is all real numbers and the range is {y|y <= 16}
Its the second choice.


4 0
3 years ago
What is the answer to <br> (p-q)(2)=
kozerog [31]

Answer:

2p - 2q

Step-by-step explanation:

(p-q)(2)

Multiply both p and -q by 2

2p - 2q

This is as simplified as this equation can get, hope this helps :)

7 0
3 years ago
The number of subjects that can be created from the set {1,2,3} is:
larisa [96]
That's 2³ = 8 that gives the number of subsets
5 0
4 years ago
A turtle crawling at a rate of .1 (mi)/(h ) passess a resting bunny that rests for 30 minutes but moves 5 (mi)/(h ). How many fe
antiseptic1488 [7]

The bunny needs to run approximately 269.39 feet

<em><u>Solution:</u></em>

Let "x" be the number of hours passed since the turtle passed the buuny

Given that turtle crawls at a rate of 0.1 miles per hour

Then for "x" hours, distance traveled by turtle is 0.1x miles

Also given that bunny moves at 5 miles per hour but rests for 30 minutes

1 hour = 60 minutes

Therefore,

30 minutes = 0.5 hours

So the bunny rests for 0.5 hours

Thus the distance traveled by bunny is 5(x - 0.5) miles

To find when they will pass each, set the two distances equal to each other

0.1x = 5(x - 0.5)

0.1x = 5x - 2.5

5x - 0.1x = 2.5

4.9x = 2.5

x = 0.51

<em><u>Thus the distance ran by buuny is:</u></em>

Distance = 5(x - 0.5)

Substitute x = 0.51

Distance = 5(0.51020 - 0.5)

Distance = 5(0.010) = 0.05102 miles

Convert to feet

1 mile = 5280 feet

0.05102 miles = 0.05102 x 5280 feet = 269.39 feet

Thus the bunny needs to run approximately 269.39 feet

3 0
4 years ago
Linda has 4 2/3 yards of material . She is making baby clothes for the bazzaar. Each dress patterns requries 1/16 yards of mater
LiRa [457]
4 2/3 / 1/16 =
14/3 • 16 =
224/3 =
74 2/3
She can't make a dress out of 2/3 material so she can only make 74 dresses
4 0
3 years ago
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