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Lesechka [4]
3 years ago
9

The crew is taking 80 liters of water. There are 4 people on the crew. How many milliliters of water does each person get?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
5 0

Answer:

Each people get 20,000 mili-litres of water.

Step-by-step explanation:

As , we know that

1 litre = 1000 mili-litre

As we have 80 litre of water

⇒ 80 litres = 80×1000 mili-litres

                 = 80,000 mili-litres

⇒ 80 litres = 80,000 mili-litres

∴ we have

Total water available in the crew = 80,000 mili-litres

As , there are 4 people in the crew

Let each people consume x mili-litre

⇒4x = 80,000 mili-litres

⇒x = \frac{80,000}{4} = 20,000 mili-litres

∴ we get

Each people gets 20,000 mili-litres of water.

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PLEASE HELP "
UNO [17]

Considering the perimeter concept, we have that:

  • Danielle's mistake is that she did not consider two outside edges, one of length 6x - 4 and the other of length 12x + 3.
  • The correct perimeter, in feet, is: P = 50x + 27.

<h3>What is the perimeter of a polygon?</h3>

The perimeter of a polygon is given by the sum of all the lengths of the outside edges of the polygon.

For this problem, the outside edges are given as follows:

  • 2 of 6x - 4, due to the isosceles triangle.
  • 2 of 12x + 3, due to the rectangle.
  • 1 of 14x + 13, also due to the rectangle, and only one, because of the other part of the rectangle with the same length is internal to the prism;

Danielle's mistake is that she did not consider two outside edges, one of length 6x - 4 and the other of length 12x + 3. Considering all the edges, the perimeter is given by:

P = 2(6x - 4) + 2(12x + 3) + 14x + 13

P = 12x - 8 + 24x + 6 + 14x + 13

P = 12x + 24x + 14x + 8 + 6 + 13

P = 50x + 27.

More can be learned about the perimeter of a polygon at brainly.com/question/3310006

#SPJ1

5 0
2 years ago
Yoko needs 300 copies of her resume printed. Dakota printing charges 19.50$ for the first 200 copies and 9$ for every 100 additi
Leokris [45]

Answer:

A. c(r)=$19.5 if r < 2

c(r)=$19.5+(r-2) ($9) (1.045) if r ≥ 2

B. $29.78

Step-by-step explanation:

A. Based on the information given if we are to express the cost of the resumes which is c(r) algebraically as a piecewise function what we would have will be:

c(r)=$19.5 when r represent an INTERGER and is less than 2

c(r)=$19.5+(r-2) ($9) (1+0.045)

c(r)=$19.5+(r-2) ($9) (1.045) when r represent an INTERGER and is greater than 2

Therefore to express the cost of the resumes c(r) algebraically as a piecewise function will be: c(r)=$19.5 if r < 2

c(r)=$19.5+(r-2) ($9) (1.045) if r ≥ 2

B. Calculation for How much will 300 copies cost, including a sales tax of 4 1/2%

Cost of 300 copies=($19.5+$9)+($19.5+$9) (0.045)

Cost of 300 copies=$28.5+$28.5(0.045)

Cost of 300 copies=$28.50+$1.28

Cost of 300 copies=$29.78

Therefore How much will 300 copies cost, including a sales tax of 4 1/2% will be $29.78

7 0
3 years ago
use the formula R = log I, where are is the measurement of the Richter scale and I is the intensity, to find the Richter scale m
zysi [14]

Answer:

R ≈ 7.4

Step-by-step explanation:

Substitute I = 25000000 into the equation

log(25000000 ) = R , then

R ≈ 7.4 ( to 1 dec. place )

3 0
3 years ago
The eqution of the diagonal of a parallelogram is 3y=5x +k. The two opposite vertices of a parallelogram are the points (1,-2),
astraxan [27]

Answer:

k = 1

Step-by-step explanation:

Given

3y = 5x + k

Opposite points: (1,-2) and (-2,1)

Required

Find k

First, calculate the midpoint of the opposite points.

(x,y) = 0.5(x_1 + x_2,y_1 + y_2)

This gives:

(x,y) = 0.5(1 -2,-2 + 1)

(x,y) = 0.5(-1,-1)

Open bracket

(x,y) = (-0.5,-0.5)

The equation 3y = 5x + k becomes:

3 * -0.5 = 5 * -0.5 + k

-1.5 = -2.5 + k

Solve for k

k = 2.5-1.5

k = 1

4 0
3 years ago
19x^3 + (14x + 4x^3) =
Brrunno [24]
19x³ + (14x + 4x³)=
You can assume that there is a 1 in front of the parentheses, so you can distribute the one to each term in the parentheses.
19x³ + 1(14x+4x³)=
19x³ + 14x + 4x³=
Then combine like terms to get 23x³ + 14x.
So 19x³ + 14x + 4x³= 23x³ + 14x
6 0
3 years ago
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