Marie has a small copy of rene magritte's famous painting, the schoolmaster. Her copy has dimensions 2 inches by 1.5 inches. The scale of the copy is 1 in :40 cm. Find the dimensions of the original painting

Answers

Answer 1

Answer: We just multiply the scale to the dimensions
2 in to original is: 2×40= 80 cm
or do proportions:
$(2)/(x)$ = $(1)/(40)$
= $(2*40)/(1)$ =x
=80 cm=x the original dimension.
Same thing to the other side.
1.5×40=60 cm
or proportions again:
$(1.5)/(y)$ = $(1)/(40)$
$(1.5*40)/(1)$ =y
60 cm=y
60 cm is the original dimension
80 cm times 60 cm ORIGINAL DIMENSION

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4.75 yards at$5.37 a yard

Answers

Ok

you have 4.75 a yard $5.37 per 1 yard

4x5.37=21.48

so 25.5075 is the answer

Initially a pool contains 350 gallons of water. A hose is placed in the pool and the water is turned on. The hose adds 5.2 gallons of water per minute. Give the total amount, V, of water in the pool for x, the number of minutes the hose has been on. A. V(x) = 5.2x B. V(x) = 350x - 5.2 C. V(x) = 350x + 5.2. D V(x) = 5.2x + 350

Answers

The amount of water that is turned in a minute is 5.2d. Given the fact that initially was 350 gallons of water everything you pour needs to be added to the initial amount. So the answer is V(x) = 350+5.2x (D). I hope that this is the answer that you were looking for and it has helped you.

Answer:

Step-by-step explanation:

V(x) = 5.2x + 350

How many solutions does the following equation have? -6(x+7)=-4x-2

Answers

Answer:

one solution

x=-20

Answer:

-20

Step-by-step explanation:

-6(x+7)=-4x - 2

-6x - 42 =-4x - 2

-6x +4x=-2+42

-2x=40

x=-40:2

x=-20

Think of a number. Double it. Add six. Half it. Take away the number you started with. Your answer is 3.

Answers

$(x\cdot2+6)/2-x=3\n(2x+6)/ 2-x=3\nx+3-x=3\nx-x=3-3\n0=0$

That number can be any real number.

Rachel buys 10m of rope and cuts5 pieces form, each 1.2 meters to tie up things. she then cuts the reaming into some pieces each of length 0.6 meter how many pieces of rope of length 0.6 meter did he cut

Answers

Rachel initially cuts 5 pieces of rope, each measuring 1.2 meters. Therefore, she has used a total of 5 * 1.2 = 6 meters of rope for these 5 pieces.
Now, to find out how much rope is remaining, we subtract the length used from the total length of 10 meters: 10 - 6 = 4 meters.
Rachel then cuts the remaining rope into pieces of length 0.6 meters each. To find out how many such pieces she can make, we divide the remaining length by the length of each piece: 4 / 0.6 = 6.67.
However, since we cannot have a fraction of a piece, we round down to the nearest whole number. Therefore, Rachel cut 6 pieces of rope, each measuring 0.6 meters, from the remaining 4 meters of rope.

At a constant rate of flow, it takes 20 minutes to fill a swimming pool if a large hose is used and 30 minutes if a small hose is used. At these constant rates, how many minutes will it take to fill the pool when both hoses are used simultaneously?

Answers

Answer: 12 minutes

Step-by-step explanation:

This is a standard Work Formula question (2 or more 'entities' that work on a task together). When there are just 2 entities and there are no 'twists' to the question, we can use the Work Formula to get to the correct answer.

Work = (A)(B)/(A+B) where A and B are the individual times needed to complete the task.

We're told that two hoses take 20 minutes and 30 minutes, respectively, to fill a pool. We're asked how long it takes the two hoses, working together, to fill the pool.

(20)(30)/(20+30) = 600/50 = 12 minutes to fill the pool.

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