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alisha [4.7K]
3 years ago
11

A backpack is normally $64.99 but is discounted ti $45.49. What percent of the original does Maria pay?

Mathematics
1 answer:
Setler [38]3 years ago
3 0

Answer:30%

Step-by-step explanation:

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How do the lengths of line segments define the golden ratio?
NISA [10]

Answer:

\frac{a+b}{a}=\frac{a}{b}

Step-by-step explanation:

The golden ratio is a special number favored by the Greeks. Its ratio roughly equals 1.618. The ratio is formed by taking a line segment and dividing it into two parts labeled a and b. The golden ratio is formed when this proportion is true \frac{a+b}{a}=\frac{a}{b}.

When you add a and b then divide by a, it will be the same as a divided by b. This will hold true only for specific lengths of a and b. This means you must divide the line segment in such a way that a and b meet this requirement.

Example:

If the line segment is 50 cm long. Split the segment into parts a and b where a = 30.9 and b = 19.1. Substitute the values into the proportion \frac{a+b}{a}=\frac{a}{b}.

\frac{30.9+19.1}{30.9}=\frac{30.9}{19.1}

\frac{50}{30.9}=\frac{30.9}{19.1}

1.618 = 1.618

This is the golden ratio.

5 0
4 years ago
A cyclist rides 6.9 km east for 23 minutes, then he turns and heads west for 7 minutes and 2.1 km. finally, he rides east for 12
omeli [17]

do you want average speed?

6 0
3 years ago
20 POINTS<br> urgent help due in 5 minutes.
inna [77]

Answer:

56548.67/942.47=60.0005

so 60 times

Step-by-step explanation:

8 0
3 years ago
Which is the best of -3/5) (17 5/6)?
Zolol [24]

Answer:-9.

Step-by-step explanation: The actual answer is 10 7/10...

The closest estimate therefore is -9

5 0
3 years ago
Read 2 more answers
The leaning tower of pisa in italy has a height of 183 feet and is 4∘ off vertical. find the horizontal distance d that the top
gladu [14]
The horizontal distance will be given by the trigonometry formula:
tan theta=opposite/ adjacent
theta=4
opposite=height=183 ft
horizontal=adjacent=a
thus
tan 4=183/a
hence
a=183/tan 4
a=2617.02 ft
5 0
3 years ago
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