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mariarad [96]
3 years ago
15

Please help me in really confused

Mathematics
1 answer:
Marina86 [1]3 years ago
5 0
The chart on the side should help you out. The width of a doorway is approximately 1 meter and the height of a skyscraper is 1,000 meters. Divide the height of the skyscraper by the width of the doorway to get your answer. It would take 1,000 door widths to make up the height of a skyscraper, so the height of the skyscraper is 1,000 times the width of the doorway.
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Complete the statement. 469.1 mg = ? g A. 0.4691 <br> B. 46,910 <br> C. 469,100 <br> D. 46.91
Lana71 [14]
The answer is A. 0.4691 g

1 g = 1000 mg
⇒ 1 mg = 1/1000 g
<u>1 mg = 0.001 g

</u>469.1 mg = 469.1 * 1 mg = 469.1 * 0.001 g = 0.4691 g<u>
</u>
8 0
3 years ago
Read 2 more answers
Hiking Two hikers are walking along a marked trail. The first hiker starts at a
9966 [12]

Answer:

You can find your answer here

(at quizlet. Its not letting me post the link tho)

Step-by-step explanation:

(just log into your account and it will let you see it)

4 0
3 years ago
last month, dory biked 11 times as many miles as karly. together they biked a total of 156 miles. how many miles did dory bike l
Anni [7]
\
Hi there

Let x be the number of miles Karly biked
Dory biked 11 times as many miles as Karly, therefor, Dory = 11x
The total number of miles back by both is 156
The equation will be:
11x + x = 156
Before we can get the number of miles Dory biked, we must first get the number of miles
Karly biked represented by x.
Get the x
12x = 156
12x/12 = 156/12
<span>x = 13 </span>
Karly = x = 13 miles biked
Dory = 11x = 11(13) = 143 miles biked
to check:
11x + x = 156
11(13) + 13 = 156
143 + 13 = 156
<span>156 = 156
  i hope it helps have a nice day:)

</span>
4 0
4 years ago
Read 2 more answers
Exactly 20% of the students in a school wear glasses. Sixty-five students are randomly selected to determine the probability tha
garik1379 [7]

Answer:

A binomial probability density function should be used because the question asks for determining the probability that exactly 10 students wear glasses.

Step-by-step explanation:

A binomial probability density function is used when we want to know the probability of an exact value.

A cumulative distribution function is used when we want to know the probability of less than or equal to a value.

4 0
3 years ago
A 20° sector in a circle has an area of 684 yd^2.
Ira Lisetskai [31]
So this is like a pie chart or fractions
20 degreees is x% or x/whole parts
circle=360degrees
20/360=2/36=1/18

so the area represents 1/18 of the circle
684=1/18 of circle
multply both sdies by 18
12312=18/18 circle

the area of the circle=12312 yd^2
3 0
3 years ago
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