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Lady_Fox [76]
2 years ago
7

in a pepper airplane contest, amanda's plane flew 19ft farther than Darren's plane.Darren's plane flew twice as far as Rachel's

plane. Rachael's plane flew 20ft.how far did Amanda's plane fly?
Mathematics
1 answer:
maw [93]2 years ago
4 0

Answer:

Amanda's plane flew 59ft

Step-by-step explanation:

So you make simple formulas for this A= Amanda D= Darren and R= Rachel

Darren's is twice as far as Rachel's so D=2R

Amanda's when 19 more feet than Darren's so A=D+19

Then you plug in, you know R=20

D=2R          D=2*20     D=40

A=D+19      A=40+19    A=59

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If x is a positive integer, for how many different values of x is StartRoot StartFraction 48 Over x EndFraction EndRoot a whole
DiKsa [7]

Answer:

For 3 different values of x

Step-by-step explanation:

Here, we want to get the values of x for which

√(48/x) is a whole number

We have to consider that the values of x that will make the expression a whole number must be less than or equal to 48

Also, we have to consider that, the division we have to make must yield a perfect square so as to have a whole number square root

The factors of 48 that can yield a whole number are;

1,2,3,4,6,8,12,16,24 and 48

However, the divisions that can yield a perfect square are

3 (yield 16)

12 ( yield 4)

48 ( yield 1)

So the numbers of the value of x that can yield a whole number is 3

7 0
3 years ago
Read 2 more answers
Find the width of rectangle if its area is (3x2 + 9xy + 6y2) square centimeters.
marin [14]
I hope this helps you

5 0
2 years ago
You volunteer at an animal shelter on the weekends and today is adoption day! At the beginning of the event, you start with 44
Angelina_Jolie [31]

6 cats/kittens were adopted.

Step-by-step explanation:

Given,

Number of cats/kittens at the event = 44

Number of cats/kittens adopted = x

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New total = 50

We will subtract the adopted and add the returned cats/kittens.

Total cats/kittens at event - adopted + returned = New total

44-x+2x=50\\44+x=50\\x=50-44\\x=6

6 cats/kittens were adopted.

Keywords: expression, variables

Learn more about variables at:

  • brainly.com/question/10666510
  • brainly.com/question/10699220

#LearnwithBrainly

8 0
3 years ago
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marishachu [46]

Answer:

x^4

Step-by-step explanation:

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5 0
2 years ago
Two buses leave Houston at the same time and travel in opposite directions. One bus averages 55 mi/h and the other bus averages
Veronika [31]
Well you can just keep adding 55 =1hr until you get to 400 the same with 45
6 0
3 years ago
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