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Zielflug [23.3K]
3 years ago
14

At a given time of the day, the ratio of the height of an object to the length of its shadow is the same for all objects. If a 3

ft stick in the ground casts a shadow is 1.5ft, find the height of a tree that casts a shadow that is 10.15ft
Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Answer:

20.3 ft

Step-by-step explanation:

The object-shadow ratio for the stick= 3÷1.5=2:1

The object-shadow ratio is same for all objects.

Let height of the tree be x

2/1 = x/10.15

x=10.15 * 2=20.3

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Novay_Z [31]
<span>We'll do two by two,
1.4 – 5.5= -4.1
</span><span>– 1.73 + 1.8= 0.07
Leaving </span><span>– 1.09,

You get </span> 
=-4.1+<span> 0.07- 1.09
=-4.03-1.09
=-5.12</span>
7 0
3 years ago
What does and 6 7/12 yards x 3 1/6 = ?
aleksandr82 [10.1K]
Well a<span>ll you have to do is turn one of the numbers from yards to feet or feet to yards, so you can accurately add it. Considering it would be easier to turn the yards to feet, you use the fact that, 1 yard is equal to 3 feet. So the 6 7/12 as feet is now 19.75 feet. So now you multiply them and 3 1/6 times 19.75 is 62.5416666535, and you can round this to just 63.</span>
5 0
3 years ago
Mira has breakfast at a restaurant. She leaves a 20% tip of $1.80.
Effectus [21]

Answer:

36 cents

Step-by-step explanation:

3 0
3 years ago
When planning road development, the road commission estimates the future population using the function represented in the table,
Sindrei [870]

The significance of 160,000 in the function is the initial population at the time of the estimation.

The correct option is (C)

<h3>What is data?</h3>

A collection of facts, such as numbers, words, measurements, observations or even just descriptions of things.

Given:

As per the table attached below:

F(x) signify the total population when the time was x hour.

So,  160,000 in the function signifies that the population at starting i.e., initial point.

Learn more about this concept here:

brainly.com/question/17112729

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7 0
2 years ago
you can use the expression 5n to determine the amount of money you have in cents, when you have n nickels. Find the amount of mo
Anni [7]

Answer:

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Step-by-step explanation:

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5n

5(18)

Multiply:

= 90

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8 0
3 years ago
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