MATHEMATICS MIDDLE SCHOOL

For a contest, Dominique is stacking 3 super-long pens lengthwise on top of each other. Each pen is 2 feet long. If she succeeds, how many inches tall will her stack of pens be

Answers

Answer 1
Answer: ok so 12 inches = 1foot so 12 x 3= 36 so 36 inches is your anwser :P
~Riley
Answer 2
Answer:

Answer:

Step-by-step explanation:

1 foot = 12 inches

2 feet = 2 × 12 = 24 inches

24 + 24 + 24 = 72 inches

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If a 10-foot piece of electrical tape has 0.037 feet cut from it,then what is the new length of the tape

Answers

10-0.037 = 9.963.

if they mean that 0.037 or 3.7% cut from TOTAL length 
when -> 10*(1-0.037)=96.3
10-.037 = 9.963. It's simple subtraction ;) 

A hospital has a large fish tank with the dimensions shown. The tank does NOT have a cover. What is the surface area of the fish tank? Math item stem image CLEAR CHECK 25 square feet 332 square feet 392 square feet 480 square feet

Answers

Answer:8300

Step-by-step explanation:

If rolling a number cube, identify the following events as disjointed or overlapping.Event A: rolling a prime number
Event B: rolling a number larger than 4

Overlapping events ?
or
disjointed events ?

Answers

Answer:

Overlapping events

Step-by-step explanation:

Note that in the question, it specifically specifies that there is only a number cube (or 1 number cube). Note that the two events asked for us to solve is does not conflict at all.

Event A is asking for the probability of you rolling a prime number (1 , 3 , 5), while Event B is asking for the probability of you rolling a number larger than 4 (5 , 6). These two can occur at the same time, and both events can be confirmed by rolling the number 5.

~

Answer:

overlapping events

Step-by-step explanation:

Event A: Rolling a prime

The following are the prime numbers from 1 to 6 (inclusive):

2,3,5

Event B: Rolling a number larger than 4

The following are larger than 4 from 1 to 6 (inclusive):

5,6

Do you see any overlap?

The overlap is 5.

These are overlapping events.

Since your little brother loves cereal you decide to give him his favorite cereal cinnamon toast crunch as a surprise present.There is only one square sheet of wrapping paper that measures 60 cm wide and 60 cm long.

The measurements at the cereal box are 30 cm X 40 cm x 5cm

Do you have enough wrapping paper to wrap the cereal box?

Answers


oops answer is in the comments... there are two sides of the box that have a match. so take the area 60*60 and subtract ( 2*(30*40) + (30*5)*2 ) enough paper!!

Final answer:

Yes, you have enough wrapping paper to wrap the cereal box.

Explanation:

To determine if you have enough wrapping paper to wrap the cereal box, you need to find the surface area of the box and compare it to the area of the square sheet of wrapping paper. The surface area of the cereal box can be found by adding up the areas of all six sides. In this case, the surface area of the box is 2(30 * 40) + 2(30 * 5) + 2(40 * 5) = 2400 + 300 + 400 = 3100 square centimeters. The square sheet of wrapping paper has an area of 60 * 60 = 3600 square centimeters. Since the surface area of the cereal box is less than the area of the wrapping paper, you have enough wrapping paper to wrap the box.

Learn more about Wrapping a cereal box here:

brainly.com/question/268235

#SPJ2

New Clarendon Park is undergoing renovations to its gardens. One garden that was originally a square is being adjusted so that one side is doubled in length, while the other side is decreased by three meters.The new rectangular garden will have an area that is 25% more that the original square garden. Write an equation that could be used to determine the length of a side of the original square garden.
Determine the area, in square meters, of the new rectangular garden.

Answers

The answer is 80 square meters.

The square area is expressed as:
A = a²,
where A is the area of the square, and a is the side of the square.

The rectangle area is expressed as:
A₁ = a₁ · b₁,
where A₁ is the area of the rectangle, and a₁ and b₁ are the sides of the rectangle.

After renovations, square garden becomes rectangular.

One side is doubled in length:
a₁ = 2a

The other side is decreased by three meters.
b₁ = a - 3

The new area is 25% than the original square garden:
A₁ = A + 25%A =
     = A + 25/100·A
     = A + 1/25·A
     = a² + 1/25·a²
     = a² + 0.25·a²
     = 1.25·a²

If the starting equation is:
A₁ = a₁ · b₁

Thus, the equation is:
1.25a² = 2a·(a - 3)
1.25a² = 2a · a - 2a · 3
1.25a² = 2a² - 6a

Therefore, the equation that could be used to determine the length of a side of the original square garden is:
2a² - 6a = 1.25a²


Now, we will solve the equation:
2a² - 6a = 1.25a²
2a² - 1.25a² - 6a = 0
0.75a² - 6a = 0
⇒ a(0.75a - 6) = 0

From here, one of the multiplier must be zero - either a or (0.75a - 6). Since a could not be zero, (0.75a - 6) is:
0.75a - 6 = 0
0.75a = 6
a = 6 ÷ 0.75
a = 8

If the side of the square is 8, then the area of the rectangle is
A₁ = 1.25 · a²
A₁ = 1.25 ·8²
A₁ = 1.25 · 64
A₁ = 80

Therefore, the area of the new rectangle garden is 80 square meters.

Can someone please help me with #10. i need the one with solution. thanks!

Answers

Problem 10
One foot is equal to 0.333 yards, so convert the feet to yards.
One inch is equal to 0.0278 yards.
(36 feet × 0.333 = 12) 36 feet = 12 yards 
(24 feet × 0.333 = 8) 24 feet = 8 yards 
(9 inches × 0.0278 = 0.25) 9 inches = 0.25 yards 
Now, multiply it all together (L × W × H).
12 × 8 × 0.25 = 24 yards
Then multiply the number of cubic yards.
24 × 55= $1320
The answer is $1320
The reason this problem is so sneaky is that it has a lot of
different units in it, and you have to keep them all straight.

Volume of concrete for the patio = (length) x (width) x (height).

You know all of these dimensions, but be careful.  Before
you multiply them, they must all be in the same units.

          Length  =  36 ft
          Width  =  24 ft
          Height  =  9 inches  =  3/4 of a ft  (0.75 ft).

NOW you can multiply to get the volume.

         Volume = (36 ft) x (24 ft) x (0.75 ft) .

                       The result is the volume in ft³  (cubic feet).

Now you need to figure out how much this will cost, but you run into
another problem . . . you know how much each yd³ costs, but you
only have the volume in ft³.  You have to change the ft³ into yd³ .

Here's the tool you need to do that:      1 yd³ = 27 ft³
 
The rest is just arithmetic.  I know you can handle it from this point.
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