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KatRina [158]
2 years ago
13

A sandbox is being built in a park. The diagram shows the four vertices of the sandbox. Each unit in the

Mathematics
1 answer:
____ [38]2 years ago
5 0

Answer:

the answer is 90 square feet.

Step-by-step explanation:

the length is 10, and the height is 9.

10×9=90

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I need help with area of a rectangle! Plese help me out this is a starr review!
Kryger [21]

Answer:

B

Step-by-step explanation:

5 0
2 years ago
A roller coaster starts with the cars being pulled up a ramp. The mass of the cars is estimated by the function m(p) = 175p + 1,
KiRa [710]

Answer:

E(p)=51,450p+346,920

Step-by-step explanation:

The function

m(p) = 175p + 1,180

gives the mass of the car as a function of the number of passengers in it.

And the function

E(m) = 9.8m*h

gives the potential energy of the car as a function of the car's mass.

Now if the height of the ramp is 30 meters, we have

E(m) =9.8m*(30)

E(m) =294m

And to find the potential energy as a function of the number of passengers, we just substitute m(p) into E(m) to get:

E(m(p))=294(175p+1180)

\boxed{ E(p)=51,450p+346,920}

which gives the potential energy as a function of the number of passengers.

7 0
3 years ago
The area of a rectangular playground is 16 square yards. The length of the playground is 4 times longer than
Alexxandr [17]

length = 8 yd and width = 2 yd

So, Option D is correct.  

Step-by-step explanation:

Area of rectangular playground = 16 square yards

Width of playground = w

Length of playground = l = 4w

We need to find length(l) and width(w)

The formula used is:

Area = Length * Width

Putting values:

Area = Length * Width\\16=4w*w\\16=4w^2\\w^2=\frac{16}{4}\\w^2=4\\Taking\,\,square\,\,root:\\\sqrt{w^2}=\sqrt{4}\\ w=\pm 2

Since width of rectangle is always positive, so we will take w = 2

So. Width = 2

Length = 4w = 4(2) = 8

Hence, length = 8 yd and width = 2 yd

So, Option D is correct.  

Keywords: Area of rectangle

Learn more about Area of rectangle at:

  • brainly.com/question/4054269
  • brainly.com/question/4459688
  • brainly.com/question/6564657

#learnwithBrainly

3 0
3 years ago
Rowan baked 17 chocolate chip cookies and 9 sugar cookies for her class how many cookies does she have left
frez [133]

Answer: She has 8 cookies left

Step-by-step explanation:

17-9=8

6 0
2 years ago
Your dog, Cujo, has a water bowl, shown below, that is in the same shape of a right circular cylinder with a diameter of 8 inche
liberstina [14]

Answer:

The answer to your question is the letter D. 64π

Step-by-step explanation:

Data

diameter = 8 in

depth = 4 in

Volume = ?

Formula

Volume of a cylinder = πr²h

Process

1.- Calculate the radius

   radius = 8 /2

   radius = 4 in

2.- Calculate the volume

- Substitution

  Volume = π(4)²(4)

- Simplification and result

  Volume =  π(16)(4)

  Volume = 64π  

8 0
3 years ago
Read 2 more answers
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