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d1i1m1o1n [39]
4 years ago
9

While on a train trip, Marsha noticed that there were 35 people in her train car. After the next stop, there were only 21 people

in her car. If p represents the percent decrease in the number of people in Marsha’s train car, what is p?
Mathematics
2 answers:
babunello [35]4 years ago
7 0

Answer:

the answer is 40

Step-by-step explanation:

because i big smart and because i did the answer:/

const2013 [10]4 years ago
5 0

Answer:

40%

Step-by-step explanation:

To find a percent, divide the part by the total and multiply by 100.

To find the part, subtract 21 from 35 to find the people who left.

35 - 21 = 14

(14/35)*100 = p

.4 *100 = p

40 =p

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SOME ONE PLEASE HELP!!!<br> if you can, please show your work. thank you.
miskamm [114]

Answer:

315

Step-by-step explanation:

If i understand this correctly, you just need to get the volume of the box and divide it by the volume of the 1/2 cube to see how many will fit.

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3 years ago
Which expression is equivalent to 3y+4+y
Colt1911 [192]
The answer to this question is 4y+4
8 0
3 years ago
There are currently 441 dairy cows at Dancing Dairy Farm. Due to some considerations, the number of dairy cows is decreasing at
Ymorist [56]

Answer:

the production of milk at the Dancing Dairy Farm is increasing by 2158 gallons/year

Step-by-step explanation:

Given the data in the question;

Let us represent the number of cows at the farm with x and

each cow produces y gallons of milk

Total mil production will be T.

so

T = x × y

now, differentiating with respect to t

dT/dt = d( xy )/dt

dT/dt = xdy/dt + ydx/dt

given that;

x = 441

y = 1157

dx/dt = -13

dy/dt = 39

so we substitute

dT/dt = ( 441 )( 39 ) + ( 1157 )( -13 )

dT/dt = 17199 - 15041

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Therefore, the production of milk at the Dancing Dairy Farm is increasing by 2158 gallons/year

3 0
3 years ago
What equation of a line is perpendicular to 6x+4y=3?
katovenus [111]
First find the slope of the given line. 6x+4y=3. Isolate y. 4y=-6x+3, y=-3/2x+3/4.
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