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3 years ago

Plz help only have ten minutes

Mathematics

2 answers:

just olya [345]3 years ago

5 0

Step-by-step explanation:

1/3 with both sides multiplied by two in order to have same denominator of both fractions, which is 6.

(1/3) x (2/2) = 2/6

Replacing 1/3 with 2/6,

the [ 1/3 - 5/6] becomes [2/6 - 5/6]

2/6 - 5/6 = -3/6

Simplify -3/6 by dividing both sides with 2,

-3/6 becomes -1/2

ANSWER: -1/2

Anarel [89]3 years ago

3 0

Answer:

- $\frac{1}{2}$

Step-by-step explanation:

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Jada walks up to a tank of water that can hold up to 10 gallons.When it is active, a drain empties water from the tank at a cons

worty [1.4K]

Answer:

Part A)The amount of water in the tank is changing at -2/3 gallons per minute. 

Part B) it will take 7.5 minutes for the tank to drain completely.

Part C) The water tank was completely full 4.5 minutes before Jada arrived.

Step-by-step explanation:

Information fetching:

Tank of water can hold up-to 10 gallons.

When it is active, a drain empties water from the tank at a constant rate.
7 gallons of water present in the tank when Jade first saw
5 gallons of water left after 3 minutes

Part A) At what rate is the amount of water in the tank changing?

As the gallons were decreased from 7 to 5 in three minutes. It means in three minutes, 2 gallons were decreased.

So, gallons per minute change would be -2/3 gallons per minute. Hence, the amount of water in the tank is changing at -2/3 gallons per minute. 

Note: negative sign indicates the number of gallons of water are decreasing.

Part B) How many more minutes will it take for the tank to drain completely.

Let 'm' be the number of minutes will it take for the tank to drain completely.

As,

(2/3 gallons per minute) (m minutes) = 5 gallons

So,

m = 5 (3/2)

= 15/2

= 7.5 minutes

So, it will take 7.5 minutes for the tank to drain completely.

Part C) How many minutes before Jada arrived was the water tank completely full

As tank of water can hold up to 10 gallons. So, the tank of water is full when there is 10 gallons of water. So, this is 3 gallons of water more than the total 7 number of gallons at the time when Jada arrived.

As Jada arrived when the tank had left 7 gallons.

Let 'm' be the number of minutes before Jada arrived when the water tank was completely full.

So,

(2/3) (m) = 3

m = 3(3/2) = 9/2

= 4.5 minutes

So, the water tank was completely full 4.5 minutes before Jada arrived.

Keywords: time rate of change, time

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3 years ago

Find the coordinates of the midpoint of the segment with the given pair of endpoints. J(6, 6); K(2, –4)

Levart [38]

Answer:

(4,1)

Step-by-step explanation:

let J(6,6) be x1, y1

let K(2,-4) be x2, y2

midpoint = (x1+x2)/2 , (y1+y2)/2

=(6+2)/2 ,(6-4)/2

= 8/2 ,2/2

=4, 1

3 0

3 years ago

Find the volume of the solid. Use 3.14 for π.

marta [7]

Answer:

Step-by-step explanation:

So this is a cylinder

<h2>formula: π r²h</h2>

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h=43.12in

So it will be = 3.14x8.75²x43.12

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i think it is correct

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stay safe

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have a nice TIME

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2 years ago

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elena55 [62]

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Answer:

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Step-by-step explanation:

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A store makes a profit of $15 on a wallet, after a mark up of 60%, what is the selling price of the wallet ?

Radda [10]

1.5 multiplied by 6 equals 9

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3 years ago

Plz help only have ten minutes ​

Plz help only have ten minutes