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uysha [10]
3 years ago
13

What is the perimeter. Show your work.

Mathematics
1 answer:
Sphinxa [80]3 years ago
6 0

The perimeter is 14 because the perimeter formula is-> 2L + 2W. So, 2(3) + 2(4) =14

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Read the excerpt from “The Scarlet Ibis.”
Svetach [21]

Answer:

ikakagalit ba ni phrasa kung para sakin ka<33

4 0
2 years ago
A rectangular mat has a length of 12 in. and a width of 4 in. Drawn on the mat are three circles. Each circle has a radius of 2
pickupchik [31]

|\Omega|=4\cdot12=48\\ |A|=3\cdot3.14\cdot2^2=37.68\\\\ P(A)=\dfrac{37.68}{48}\approx0.79

7 0
3 years ago
A plant manufactures part whose lengths are normally distributed with a mean of 16.3 centimeters and a standard deviation of 2.5
EastWind [94]

The probability that the plant manufactures a part between 10.8 and 12.8 centimeters 13%

<h3>How to find the probability that the part is between 10.8 and 12.8 centimeters</h3>

The probability is solved z scores, this measures the amount of standard deviation sample X is from mean. the formula is below

z = (X - μ) / σ

<u>Definition of variables</u>

mean, μ = 16.3 centimeters

standard deviation, σ = 2.5 centimeters

X = 10.8 and 12.8 centimeters

z score, z

substituting into the formula

for X = 12.8 centimeters

=  (X - μ) / σ

= (12.8 - 16.3) / 2.5

= -1.4

the p value for z of -1.4 = 0.161513

for X = 10.8 centimeters

=  (X - μ) / σ

= (10.8 - 16.3) / 2.5

= -2.2

the p value for z of -2.2 = 0.027807

the probability is calculated as below

0.161513 - 0.027807= 0.133706

= 0.13

=13%

Learn more about standard deviation at:

brainly.com/question/28948351

#SPJ1

8 0
1 year ago
If Sasha can run 720 yards in 4 minutes, how many feet can she run in 15 seconds?
Vika [28.1K]
Okay so you're trying to find the unit rate of 720yds/4min. If you divide 720 by 4 you will have the unit rate as 180yds/1 min or 60 sec then if you divide 180 and 60 by 4 again you will get the answer of 45yds/15sec.
6 0
3 years ago
Victoria and Javier are collecting aluminum for a community service project. Victoria previously collected 56 pounds and is coll
Mnenie [13.5K]

Answer:

  • 10 hours

Step-by-step explanation:

<u>Victoria collects:</u>

  • 8x + 56

<u>Javier collects:</u>

  • 12x + 16

<u>They get same amount:</u>

  • 8x + 56 = 12x + 16
  • 12x - 8x = 56 - 16
  • 4x = 40
  • x = 10

8 0
2 years ago
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