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nadezda [96]
3 years ago
14

A) equal lines B) parallel lines C) perpendicular lines D) None of the above

Mathematics
2 answers:
Nat2105 [25]3 years ago
8 0
I think the answer is D, None of the above
navik [9.2K]3 years ago
8 0

Answer:

D its none of the above answers

Step-by-step explanation:


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Stephanie goes shopping on Sunday, she has $60. After buying 20 chocolates, she has $10 left. How much did the chocolate cost?
m_a_m_a [10]

Answer: x=2.5


Step-by-step explanation:

First we need to set up and equation

10= 60 - 20x

where x is the amount the cookies cost

subtract 60 from both sides

-50=- 20x

now divide each side by 20 so hat we can isolate the x

-50/-20= x

x= 2.5

now to check just multiply it by 20 then subtract from 60.

2.5 x 10= 50

60-50=10


6 0
3 years ago
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Paul is going to have the exterior of his home painted. Painting USA charges $75.00 to come out and evaluate the house plus $25.
user100 [1]
Given:$75
25 hours

Painting USA : Fixed cost: $75 ; Variable Cost: $25x
Total Cost = 75 + 25(25) = 75 + 625 = 700

Upscale Home Painting: No Fixed Cost ; Variable Cost : $40x
Total Cost = 40(25) = 1,000

The most cost effective company will be Painting USA whose charge will amount to $700.
3 0
3 years ago
If Susie is 14, what was her age x years ago?<br><br> A.) x - 14<br> B.) 14 - x<br> C.) 14x
Cerrena [4.2K]
Susie's age from x years ago would be the difference of her current age and the numbers of years that passed which is x. The expression that best represent her age x years ago is 14 - x. Thus, the answer is letter "B. 14 - x". 
4 0
3 years ago
. A _____ is a flat surface that has no thickness.
daser333 [38]

Answer: plane

A plane can be thought of a sheet of paper with no thickness, and this sheet does not bend or curve. A plane extends infinitely in all directions. Think of a perfectly flat floor that goes on forever.

5 0
3 years ago
Read 2 more answers
The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for
dezoksy [38]

Answer: 44 gallons

Step-by-step explanation:

Using proportion,

33 gallons = 3hours

X = 4hours

Cross multiply

3 × X = 33 × 4

3X = 132

Divide bothside by 3

3x/3 =132/3

X = 44

Therefore the helicopter uses 44gallons for 4 hours.

3 0
3 years ago
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