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givi [52]
3 years ago
7

The cost of a plane ticket from Sydney to Brisbane cost $108 four weeks ago.it now costs $216.by what percentage has the the cos

t of the ticket increase by?
Mathematics
2 answers:
Lorico [155]3 years ago
6 0
It increased by 100%.

This is the formula for future problems like this
(new cost - original price) / original price

enot [183]3 years ago
6 0
The answer is it has increased by 100 percent
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Pick the pair of lines that is perpendicular: a. Y = -2/3x + 7 b. Y = 2/3x - 7 c. 4x+ 6y = 12 d. 9x - 6y = 27
Llana [10]

Answer:I think the pair that is perpendicular is

Y=2/3x

6 0
2 years ago
an architect wants to build three similar triangles such that the ratio of the middle triangle. The smallest one has side length
vampirchik [111]

Answer:  15

<u>Step-by-step explanation:</u>

small:     5     12      13

middle:  __   36     39

large:    45   108    117

Notice that to get from the small to the large, multiplied by 9

5(9) = 45    12(9) = 108    13(9) = 117

That is because the sides are proportional \dfrac{5}{45}=\dfrac{12}{108}=\dfrac{13}{117}\rightarrow\dfrac{1}{9}

To get from small to middle, multiply by 3  

5(3) = 15     12(3) = 36    13(3) = 39

To solve it using proportions:

\dfrac{5}{x}=\dfrac{12}{36}\\\\\\\text{Cross Multiply and solve for x:}\\5(36)=12x\\\\\dfrac{5(36)}{12}=x\\\\5(3)=x\\\\\large\boxed{15}=x

7 0
3 years ago
Can a prime number be a multiple of any other number except itself? Explain why or why not.
frozen [14]

Answer:No it cannot,

Step-by-step explanation:

A prime number is any number that is pime doesnt matter what number as long as it is a prime number it can be a multiple techically,but not offen depends but in this case most likely not

3 0
3 years ago
Read 2 more answers
10 points. See picture, find area of shaded region. please answer in a way that I can fill out the blanks at the bottom
matrenka [14]
I'm sorry I can't answer this but the triangle looks like it's wearing a thong
4 0
3 years ago
On this map, Oxford Street is perpendicular to_______ , and Rosewood Street is perpendicular to ________. Assume that the street
melamori03 [73]
Hi there!

We are looking for perpendicular angles, which means the angle between the streets is 90 degrees. So, each time we need to find the street that intersects the given street with a 90 degree angle.

On this map, Oxford Street is perpendicular to Waterloo St., and Rosewood Street is perpendicular to Oak St..

The answers are (in correct order): Waterloo St. and Oak St..
~ Hope this helps you!
6 0
3 years ago
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