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noname [10]
3 years ago
12

If you need to construct a dog run for your dog and the total perimeter needs to be 40 feet, and you only have enough room to ma

ke it 5 feet wide, how long can you make the dog run?
Mathematics
1 answer:
Lemur [1.5K]3 years ago
5 0

Answer:15 ft

Step-by-step explanation:

Given

The total perimeter needed is 40\ ft

The available width of the room is w=5\ ft

Suppose l is the length of the room

So, the perimeter of a rectangle-shaped room is 2(l+w)

Putting values

\Rightarrow 40=2(l+5)\\\Rightarrow l+5=20\\\Rightarrow l=15\ ft

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Yesterday Andre ate a cup and a half of yogurt. One serving is 2/3 of a cup and 80 calories. How many total calories did Andre e
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80. there's no mathematical equations, also there's nothing to compare
7 0
3 years ago
Please help me with number 4!
Mariulka [41]

Answer:

x = 20√2 and y = 20√3.

or x = 28.28 and y = 34.64 to the nearest hundredths.

Step-by-step explanation:

Take the 2 'inside' triangles. They are similar.

So we have  x / (60-40) = 40 / x

x/ 20 = 40 /x

x^2 = 800

x = √800

x = 20√2

y = √(800 + 20^2)

= √(1200)

= 20√3.

8 0
3 years ago
The area of a rug is : 42 1/4 square feet. The rug is 6 1/2feet wide. What is the length of the rug?
MissTica

Answer:

Square footage is calculated by multiplying width by length. So if a room is 9 foot wide by 12 foot long, 9 x 12 = 108 square feet.

Step-by-step explanation:

This should help!

6 0
3 years ago
Fill in the table using this function rule y=5x-3
Rudiy27

Answer:

-2, -13

0, -3

2, 7

4, 17

Step-by-step explanation:

To fill out the table, substitute the table x-values into the equation and the y-values will fill the table.

y = 5x - 3

y = 5(-2) - 3

y = -10 - 3

y = -13

This means the table value corresponding to -2 should be -13.

y = 5x - 3

y = 5(0) - 3

y = 0 - 3

y = -3

This means the table value corresponding to 0 should be -3.

y = 5x - 3

y = 5(2) - 3

y = 10 - 3

y = 7

This means the table value corresponding to 2 should be 7.

y = 5x - 3

y = 5(4) - 3

y = 20 - 3

y = 17

This means the table value corresponding to 4 should be 17.

6 0
3 years ago
Least the containers from least to greatest capacity; 1.73, 2.061, 1.59, 2.1
RSB [31]

Answer:

1.59 < 1.73 < 2.061 < 2.1

Step-by-step explanation:

Hello,

We know that 2 is higher than 1. So to pick the first ones we know it won't be the two numbers starting with a 2. We are left with two numbers : 1.73 and 1.59. <u>In this case we can multiply these two numbers by 100. We are allowed to do this only if we do it to all the numbers we are trying to figure out.</u> In this case, it is 1.73 and 1.59 (we are excluding the 2s). So we end up with : 173 and 159. This might help you. We obviously know that 173 is a larger number than 159.

So, we then proceed to the numbers starting with a 2. <u>In this case we can multiply both by 1,000 considering the fact that the number 2.061 has 3 digits after the dot.</u> This will make it easier for us. When we multiply both by 1,000 we end up with 2,061 and 2,100. We obviously know that 2,061 is smaller than 2,100.

I hope this helped

Kind regards,

Clém

7 0
3 years ago
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