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miss Akunina [59]
4 years ago
12

140 fluid ounces increased by 45%

Mathematics
1 answer:
Leokris [45]4 years ago
4 0
First divided 140 by 100 to find out how much 1 percent is
140 ÷ 100 = 1.4

multiply 1.4 by 45 to find 45 %; 1.4 x 45 = 63

then add 63, which is 45%, to 140, which is 100%, and you get 203, which is 140 + 45%, or 145%

please mark brainliest if this helped you. I hope it did!

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A sightseeing boat charges $5 for children and $8 for adults. on its first trop of the day, it collected $439 for 71 paying pass
Mrac [35]

if 71 paying passengers are all children, they should pay 5* 71= $355 in total.

$439 is paid so adults pay $439-$355 = $84 more than money paid by same number of children.

each adult pays $8-$5=$3 more than each child

so there are $84/$3= 28adults

and 71-28= 43 children

4 0
3 years ago
A car is at a distance s, in miles from its starting point in t hours, given by s(t)=10t^2. Find s(2) and s(5). Find s(5)-s(2).
weeeeeb [17]

Answer:

Average Velocity= 70 miles per hour

Step-by-step explanation:

Distance= s

Time = t

s(t)=10t^2

Putting the values

s(2) = 10 (2)^2= 10&4

s= 40

s(5) = 10 (5)^2 = 10*25

S(5)= 250

The average velocity is defined as the rate of change of speed in unit time.

So

Speed= distance/time

Velocity = Speed in a definite direction

Average Velocity= Displacement/ Time

Average Velocity= Change in distance/ Change in time

s(5) - s(2)/ t(5)- t(2)

= 250-40/5-2= 210/3= 70 miles per hour

4 0
3 years ago
Solve for k, the constant of variation, in a direction variation problem where y = 240 and x = 30.
Minchanka [31]
\bf \qquad \qquad \textit{direct proportional variation}
\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=240\\
x=30
\end{cases}\implies 240=k30
\\\\\\
\cfrac{240}{30}=k\implies 8=k
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3 years ago
HELP! 10 POINTS+Braniest
guajiro [1.7K]
When the son is 8, the father is five times that so 8*5 = 40, difference between their ages is 32

twice as old 32*2 = 64

The father will be 64.
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2 years ago
How is the distance between two rational numbers related to their distance?
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