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3 years ago

I NEED THE ANSWER NOWWWWWWWWWWWWWW

Mathematics

1 answer:

Verizon [17]3 years ago

5 0

Answer:

I think it might be $123.75

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Calculate the area of each triangle using two different methods

timurjin [86]

The area of a triangle is 1/2 bh
so to find the area of the larger triangle do the following calculation:
1/2 time 12 time 7. that will give you 42 ft squared. that is the larger triangle.
the next way to find the area i will show you is:

pretend that the the triangle is inside of a rectangle. now you have 4 triangles. you know that the base of the rectangle is 15 ft anf the height is 7. now take the smaller triangle and it has its rectangle base 3 and height 7. multiply to get 21 feet squared. divide by 2 since there are 2 triangles in the small rectangle. 10.5 feet squared

4 0

3 years ago

A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round your answer to the near

slamgirl [31]

complete question:

A fountain is made up of two semicircles and a quarter circle. The diameter of the semicircles is 10 ft. Find the perimeter of the fountain. Round your answer to the nearest tenth. The picture is represented below.

Answer:

The perimeter of the fountain = 47.1 ft

Step-by-step explanation:

The fountain has 2 semi circle from a smaller circle with the diameter represented as 10 ft and a quarter circle from a bigger circle with the radius equals to 10 ft.

The perimeter is the distance around the fountain.The perimeter is the circumference in circular perspective. Therefore,

perimeter for a full circle = 2πr

Half circle = 2πr/2 = πr

For 2 half circle = πr + πr = 2πr

For 2 half circle = 2πr

r = 10/2 = 5

perimeter for 2 half circle = 2 × 5 × 3.14 = 31.4 ft

Perimeter for the quarter circle

r = 10 ft

Quarter circle perimeter = 1/4 × 2πr = πr/2

Quarter circle perimeter = (3.14 × 10)/2

Quarter circle perimeter = (31.4)/2

Quarter circle perimeter = 15.7 ft

The perimeter of the fountain = 15.7 ft + 31.4 ft = 47.1 ft

4 0

3 years ago

When multiplying what number can go into 46 and 5

Whitepunk [10]

Since 5 is a odd number and 46 is even, the only number that can go into both evenly is 1.

6 0

3 years ago

3. Before tax, Louise spent a total of $38 on the items below at Starbucks

soldier1979 [14.2K]

Answer:

47.4%

Step-by-step explanation:

The total amount Louise spent on Frappuccinos was 4×$4.50 = $18. The fraction that is of the total is ...

Fraps/Total = $18/$38 = 9/19

That can be converted to a percentage by multiplying by 100%:

9/19 = (9/19)×100% ≈ 47.4%

Louise spent 47.4% of the $38 on Frappuccinos.

_____

<em>Additional comment</em>

The decimal equivalent of 9/19 is a repeating decimal with an 18-digit repeat.

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2 years ago

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Find the inverse of 6x^2-7

valina [46]

This would be the correct answer

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2 years ago

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