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cricket20 [7]
3 years ago
13

What are perfect numbers between 1 and 28

Mathematics
1 answer:
snow_lady [41]3 years ago
5 0

Answer:

i was trying to help u but ok delete my answer

Step-by-step explanation:

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What is the length of rope that needs to be<br> lowered from the helicopter?<br> feet
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Answer:What is the length of rope that needs to be

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feet

Step-by-step explanation:

owered from the helicopter?

feet

6 0
4 years ago
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Nathan measured a line to be 7.4 inches long. If the actual length of the line is 7.2 inches, then what was the percent error of
Verdich [7]

Answer:

2.8%

Step-by-step explanation:

(7.4 - 7.2) / 7.2 =

0.2 / 7.2 =

2.7777777777778%

3 0
3 years ago
Can someone please help me I would appreciate it please!?!
Annette [7]
The answer is:  " 471 cm² " .
_____________________________________________________
The formula for the surface area, "S.A.", of a "cylinder":

S.A. =  2 π r² + 2 π r h ; 

in which:

"S.A." = "surface area" of the cylinder; for which we wish to solve; 

 π = 3.14 (approximation we shall use) ;

  r = radius = 5 cm (given; from figure); 

  h = height = 2 cm (given; from figure);
______________________________________
To solve for the surface area, "S.A." . let us plug in our known values, and solve:


S.A. =  2 π r²   +    2 π r h  ; 


S.A. = 2 * (3.14) * (5 cm)²  +  2 * (3.14) * (5 cm) * 10 cm)  ;

        = 2 * (3.14) * (5²) * (cm²)   +    2 * (3.14) * 5* 10 * cm² ;

        = 2 * (3.14) * (25) * (cm²)  +    2 * (3.14) * 5* 10 * cm²  ;

        = 157 cm²  +  314 cm²  ;

        =  471 cm² .
________________________________________________
The answer is:  " 471 cm² " .
________________________________________________
4 0
4 years ago
A bookstore had 80 copies of a magazine. Yesterday,it sold 1/4 of them. Today, it sold 3/5 of what remained. How many copies doe
Nana76 [90]
1/4 of 80 is 20, so they have 60 left aftef yesterday. then sold 3/5 of 60 which is 36. so the book store has 24 left
4 0
3 years ago
The question is jimmy scores is in the bottom 25% of the scores, but he does not have the lowest score. What is one possible val
Mariulka [41]

Answer:

50% duhh

Step-by-step explanation:

25% is also a equation

4 0
3 years ago
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