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2 years ago

HELLLPPPPPPPP PLEASEEE use the image

Mathematics

2 answers:

Harrizon [31]2 years ago

5 0

Answer:

20 2/3 feet

Step-by-step explanation:

7 3/4 * 2 2/3 = 20 2/3

Convert into improper fraction..

= 31/4 * 8/3

...

Solve equation...

= 20 2/3

The area of the garden is 20 2/3.

Darya [45]2 years ago

5 0

Answer:

20 1/6 feet is the area

Step-by-step explanation:

I did the math. 2 times 7 and 3/4 is 15 and a half, plus two thirds of 7 and 3/4= 5 1/6.

Add 15 and 1/2 plus 5 and 1/6 and you get 20 1/6 feet as your area

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For your friend's birthday, you have 3 presents to wrap. Find the combined surface area of these 3 gifts so you know how much wr

omeli [17]

The answer is: 5,614 square inches.

The explanation is shown below:

1. The gift on the bottom is a rectangular prism. To calculate its surface area, you must apply the following formula:

$SA=2[(l)(w)+(l)(h)+(h)(w)]$

Where $l$ is the length (20 inches), $w$ is the width (42 inches) and $h$ is the heigth (16 inches).

2. Substitute values:

$SA1=2[(20in)(42in)+(20in)(16in)+(16in)(42in)]=3,664in^{2$

3. The surface area of the other gifts can be calculated with the formula for calculate the surface area of a cube:

$SA=6s^{2}$

Where $s$ is the side.

4. The surface area of the bigger cube is:

$SA2=6(15in^{2})=1,350in^{2}$

5. The surface area of the smaller cube is:

$SA3=6(10in^{2})=600in^{2}$

6. The total surface area (the combined surface area of the three gifts) is:

$SAt=SA1+SA2+SA3\\SAt=3,664in^{2}+1,350in^{2}+600in^{2}\\SAt=5,614in^{2}$

7 0

3 years ago

Rafael deposits $5000 into and account that pays simple interest at an annual 5%. He does not make anymore deposits. He makes no

nekit [7.7K]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

How many times larger is 700 than 70?

Strike441 [17]

When it comes to hundreds and thousands and even millions, you can tell how much bigger something is by how many more zeros are at the end. Each new zero added, is another rank up. The system goes:

1=10x bigger
2=100x bigger
3=1000x bigger
4=10000x bigger
5=100000 bigger

so on and so forth. There are 2 zeros in 700, and only 1 zero in 70, the difference in zeros is 1, so you can refer to the chart and conclude that 700 is 10 times bigger than 70. You could also divide 700 by 70 to get 10. This is more accurate, but the chart is simpler.

3 0

3 years ago

Simplify the expression:<br> (3n)(2)

Arlecino [84]

Answer:

Step-by-step explanation:

3n+2)! / (3n-3)! = (3n+2)*(3n+1)*(3n)*(3n-1)*(3n-2)*(3n-3)! divided by (3n-3)! which becomes:

23! / 18! = (23 * 22 * 21 * 20 * 19 * 18! divided by 18! which becomes:

(23 * 22 * 21 * 20 * 19)

the result is 4037880

i used my ti-84 to take 23! and divide it by 18! and i got 4037880.

this confirms the solution is correct.