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Korolek [52]
3 years ago
13

Use the information in the diagram, set up a proportion to solve for the height of the tree

Mathematics
1 answer:
Leona [35]3 years ago
4 0

Answer:

Step-by-step explanation:

There are a couple of ways you could solve this problem. B is one of them.

The correct answer is going to be Small hypotenuse / Large hypotenuse = tree / building height

Let the tree equal x

100/220 = x / 176           Multiply both sides by 176

100 * 176 / 220 = x

x = 80

Notice that 80 is almost 1/2 of 176 so the answer should be right since 100 is nearly 1/2 of 220

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180 is the lcm of 12 and a number n . What are the possible values of n?
love history [14]
12|\fbox2\\.\ 6|\fbox2\\.\ 3|\fbox3\\.\ 1|\\----------\\180|\fbox2\\.\ 90|\fbox2\\.\ 45|\fbox3\\.\ 15|3\\.\ \ 5|5\\.\ \ 1|\\\\Answer:\\5\times3\times3=45\\5\times3\times3\times2=90\\5\times3\times3\times2\times2=180
6 0
3 years ago
You are testing two scales for accuracy by weighing two different objects. Use the drop-down menus to complete the statements ab
Snezhnost [94]

Answer:

<em>Because the object on scale 1 weighs </em><em><u>more</u></em><em> than the object on scale 2, each pound of error results in a </em><em><u>lesser</u></em><em> percent error. Scale 1 was</em><em><u> 10</u></em><em> pounds off and scale 2 was </em><em><u>3</u></em><em> pounds off, so scale 1 was </em><em><u>10%</u></em><em> off and scale 2 was </em><em><u>12%</u></em><em> off.</em>

The object on scale 1 weighs 100 pounds and the object on scale 2 weighs 25 pounds so the object on scale 1 weighs more than scale 2.

Scale 1 error margin:                                            Scale 2 error margin:

= Actual weight - measured weight                    = 25 - 22

= 100 - 90                                                              = 3 pounds

= 10 pounds

Scale 1 error percentage:                                     Scale 2 error percentage:

= Error margin/ Actual weight                              = 3/25

= 10/100                                                                 = 12%

= 10%

<em>Scale 1 object has less percent error. </em>

8 0
3 years ago
Read 2 more answers
ILL GIVE YOU BRAINLIST ! Marlene is given 7 feet of fabric to design a dress. She uses 6 1/9 feet of fabric. How much fabric is
ivolga24 [154]

Answer:

This question is a lot easier than it seems. What you have to do here is subtract 6 1/9 from 7.

This will give you 0.8 of the fabric left, or 8/9.

3 0
4 years ago
−5 + (−5r) + 10 Not that hard but I keep getting stuck
djverab [1.8K]
5-5r

-5 and 10 have like terms, so you can add them
they make positive 5
(-5r) is just -5r, and you can't add it to a number without a variable
so the answer is 5-5r
5 0
4 years ago
Read 2 more answers
PLEASE HELP ME ACE THIS<br><br> angle a = ___ degrees
Ludmilka [50]

Angle B = ADC arc / 2

32 = ADC arc / 2

ADC arc = 2 × 32

ADC arc = 64

_________________________________

ADC arc + ABC arc = 360

64 + ABC arc = 360

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Angle D = ABC arc / 2

x = 296 / 2

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_________________________________

Angle A = x - 40

Angle A = 148 - 40

Angle A = 108 degrees

8 0
3 years ago
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