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attashe74 [19]
3 years ago
5

Could someone help me with this?

Mathematics
2 answers:
Veronika [31]3 years ago
5 0
No, you can’t afford a repair that takes 4 hours. If you have to pay $50 for a house call that leaves you with $150 and at a rate of $40 an hour that’d be another $160 you’d have to pay.
Tasya [4]3 years ago
4 0

Answer:

Step-by-step explanation:

To how did you attach a link?

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Theorem: The segment joining the midpoints of two sides of a triangle is parallel to the third side and half its length. A two-c
natali 33 [55]

Answer:  By the slope formula.

Step-by-step explanation:

Given: ABC is a triangle (shown below),

In which A≡(6,8), B≡(2,2) and C≡(8,4)

And, D and E are the mid points of the line segments AB and BC respectively.

Prove: DE║AC and DE = AC/2

Proof:

Since, And, D and E are the mid points of the line segments AB and BC respectively.

Therefore, By mid point theorem,

coordinate of D are (\frac{2+6}{2} , \frac{2+8}{2} ) = (\frac{8}{2} , \frac{10}{2} )= (4,5)

Coordinate of E are  (\frac{2+8}{2} , \frac{2+4}{2} ) = (\frac{10}{2} , \frac{6}{2} )= (5,3)

By the distance formula,

DE=\sqrt{(5-4)^2+(3-5)^2}=\sqrt{5}

AC=\sqrt{(8-6)^2+(4-8)^2}=2\sqrt{5}

By the slope formula,

Slope of AC = \frac{4-8}{8-6} = \frac{-4}{2} = -2

Slope of DE =  \frac{3-5}{5-4} = \frac{-2}{1} = -2


            Statement                                              Reason

1. The coordinate of D are (4,5)  and           1. By the midpoint formula

the coordinate of  E are (5,3)

2. The length of DE = √5                            2. By the Distance formula

The length AC = 2√5 ⇒ Segment DE

is half the length of segment AC

3. The slope of DE = -2 and the                3. By the slope formula

slope of AC = -2

4. DE║AC                                                   4. Slopes of parallel lines are equal


7 0
3 years ago
Read 2 more answers
Which table represents a proportional relationship?
crimeas [40]

Answer: d

Step-by-step explanation: because every x has 1 y

5 0
2 years ago
What is 100/8 simplified
KonstantinChe [14]
25/2 because you can reduce by 4.
3 0
3 years ago
Read 2 more answers
Solve the inequality for x: -3(2x+5) < -45
balandron [24]

Answer:

x>5

Step-by-step explanation:

-3(2x+5)<-45

2x+5<-45/-3

2x+5<15

2x<15-5

2x<10

x<10/2

x<5

x>5

7 0
3 years ago
tongue tied sauces inc finds that the revenue in dollars from the sale of x bottles of barbeque sauce is given by
charle [14.2K]

Answer:

The answert is "$0.007 / bottle".

Step-by-step explanation:

Please find the complete question in the attachment file.

\to R(x) =7.5x^{0.7}

The  average income:

\to A(x) = \frac{R(x)}{x} =7.5 x^{-0.3}

The change rate on the average revenue:

\to A'(x) =7.5(-0.3)x^{-1.3}

when 81 bottles were produced , then the rate of change in average revenue

\to =A'(81)\\\\\to -0.007  \ / \ bottle

The average income  is decreasing at rate = $0.007 / bottle

4 0
2 years ago
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