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3 years ago

The length of a rectangle is four times its width.

Mathematics

1 answer:

melamori03 [73]3 years ago

4 0

Answer:

200

Step-by-step explanation:

multiply the rectangle sides

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a pole that is 3.3 M tall casts a shadow that is 1.22 M long at the same time a nearby Tower cast a shadow that is 50.75 M long

jenyasd209 [6]

Since there is no distance between the pole and the base of the tower, we can assume that the pole is at the base of the tower.
We can create a right triangles between the pole and its shadow and between the tower and its shadow as shown in the figure. Let $x$ be the height of the tower. Since our triangles are similar the ratio between its sides is going to be proportional, so we can establish a proportion to find $x$ :
$\frac{x}{3.3} = \frac{50.75}{1.22}$
$x= \frac{(50.75)(3.3)}{1.22}$
$x=137.27$

We can conclude that the tower is 137.27 meters tall.

6 0

3 years ago

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A ballroom has a square dance floor. The area of the floor is 400 square feet. If the length of each side of the square increase

Vikentia [17]

Yes, in the sense that the new area could be written as (x+1)^2 / 1.
Usually we would not bother with the "1" as divisor.

Let's actually do the work: what is the area of the square if we increase the side length of the existing square by 1 ft?

(x+1)^2 = x^2 + 2x + 1 (This is not a fraction, and thus not the ratio of
two integers, which, in turn, is the definition of
"rational number."

7 0

3 years ago

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What is 26/36 in simplist form?

andreyandreev [35.5K]

Answer:

13/18

Step-by-step explanation:

26/2= 13

36/2= 18

13/18

5 0

4 years ago

Read 2 more answers

I need help, if you put an answer put an explanation please.

Tanya [424]

Answer: B

Step-by-step explanation: Formula of a slope on a table is Δy/Δx, in this case it is 15/5 simplified is 5/1. So the slope is 5/1. The y-intercept is the first number which is -75. So the answer is y=5x-75 which is b, your welcome

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3 years ago

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Mariamaria can shovel snow from her driveway in 4040 minutes. tomtom can do the same job in 3535 minutes. how long would it take

Assoli18 [71]

Maria does 1/40th of the driveway per minute. Tom does 1/35th. Together, they do:
1/40+1/35=75/1400=3/56
1/3/56=56/3, or 18&2/3 minutes working together
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8 0

4 years ago