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AlekseyPX
2 years ago
6

Yis inversely proportional tox.Wheny=50,x=4Work outywhenx=8

Mathematics
1 answer:
quester [9]2 years ago
8 0

Answer:

55555

Step-by-step explanation:

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Simplify the following expression.<br><br> 0.82 / 0.2
AlekseyPX

Answer:

0.41

Step-by-step explanation:

0.82 = 0.2 x 0.41

0.82 / 0.2

= ( 0.2 x 0.41 ) / 0.2

= 0.41

5 0
3 years ago
Read 2 more answers
A Ferris wheel can accommodate 45 people in 25 minutes. How many people could ride the Ferris wheel in 2 hours? What was that ra
Sliva [168]

Answer:

5400

Step-by-step explanation:

60 min=1 hour

120 min=2 hr

120 x 45=5400

4 0
3 years ago
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Scuba diver dives at a rate of 20 ft./min. If the diver starts at the surface what is the depth of the diver after 4 minute
Paraphin [41]

Answer:

80 ft

Step-by-step explanation:

Distance = rate x time. Therefore, 20 ft / min x 4 min = 80 ft.

6 0
2 years ago
). If a, ß are zeroes of the quadratic polynomial p(x)=kx²+4x+4 such
natta225 [31]

Answer:

The values of k are 2/3 and -1

Step-by-step explanation:

Product of zeros = αβ= constant  / coefficient of x^2 =  4/k

Sum of zeros =α+β = - coefficient of x / coefficient of x^2= -4/k

Given

Consider a= α and b= β

(\alpha)^2 + (\beta)^2 = 24

(\alpha)^2 + (\beta)^2 can be written as (\alpha)^2 + 2(\alpha)(\beta) + (\beta)^2 if we add \pm 2 (\alpha)(\beta) in the above equation.

(\alpha)^2 + 2(\alpha)(\beta) + (\beta)^2 -2(\alpha)(\beta)

(\alpha + \beta)^2 -2(\alpha)(\beta)

Putting values of αβ and α+β

(\frac {-4}{k})^2 -2( \frac {4}{k}) = 24\\\frac {16}{k^2} - \frac {8}{k} = 24\\Multiplying\,\, the \,\, equation\,\, with\,\, 8K^2\\ 2 - k= 3K^2\\3k^2-2+k=0\\or\\3k^2+k-2=0\\3k^2+3k-2k-2=0\\3k(k+1)-2(k+1)=0\\(3k-2)(k+1)=0\\3k-2=0 \,\,and\,\, k+1 =0\\k= 2/3 \,\,and\,\, k=-1

The values of k are 2/3 and -1

8 0
3 years ago
8 +1 + 10 + 7 + 10 + 6 = 42<br> What is the average value?
Maslowich
7

Explanation:
Add up all the numbers
8 + 1 + 10 + 7 + 10 + 6 = 42
Divide the total by the amount of numbers add together. (6)
42/6
Which gives you 7.
6 0
2 years ago
Read 2 more answers
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