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Sergeeva-Olga [200]
3 years ago
12

Simplify 2 square root of 5 plus 3 square root of 5 minus square root of5?

Mathematics
1 answer:
Nataly [62]3 years ago
5 0

Answer:

<u>The answer is 4√5</u>

Step-by-step explanation:

Simplify 2√5 + 3√5 - √5

We can simplify this operation this way:

√5 (2 + 3 - 1) or (2 + 3 - 1)√5

Now, we resolve the operations inside the parenthesis:

√5 (5 - 1) = √5 (4) = 4√5 or (5 - 1) √5 = (4) √5 = 4√5

<u>So, the result of the simplification of this operation is 4√5.</u>

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An amusement park profit can be found by using the expression 34(t - 52) + 15 where t is the number of tickets sold. If the park
PIT_PIT [208]

Answer:

t = 59

Step-by-step explanation:

Profit made by the amusement park is given by the equation

Profit = 34(t-52) + 15.

                       where,  t is the number of tickets sold.

Given, Total profit made by the park is equal to $238.13.

Equating the profit with the equation,

We get,  34(t-52) + 15 = 238.13

              34(t - 52)  = 223.13

                  t - 52 = 6.56

                   t = 58.56

Rounding off the number of tickets sold we get t = 59 .

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4 years ago
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Anuta_ua [19.1K]

Answer:

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Step-by-step explanation:

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2 years ago
Solve for 2.<br> 25<br> 10<br> 7y - 1<br> 22
Digiron [165]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Launa bought 20 pizzas for a party. How many pieces of pizza will she have if she divides them each into eighths? A 20 B 190 C16
mart [117]

Answer:

D. 160 pieces of pizza!

Step-by-step explanation:

If each pizza is cut into 8 pieces you would multiply 20 by eight and you get 160. Hope this helps! Have a great day!

5 0
3 years ago
76 cm a 52 cm Find the area of the regular pentagon (the answer has one digit after the decimal point)​
alekssr [168]

Answer:

98.8 cm²

Step-by-step explanation:

Hi there!

A=\frac{1}{2} Pa where P is the perimeter of the pentagon and a is the apothem (the line going from the center of the pentagon one edge)

<u>1) Find the perimeter</u>

P=5l where l is the side length

Plug in the side length 7.6 cm

P=5(7.6)\\P=38

Therefore, the perimeter of the pentagon is 38 cm.

<u>2) Find the area</u>

A=\frac{1}{2} Pa

Plug in the perimeter (38) and the apothem (5.2)

A=\frac{1}{2} (38)(5.2)\\A=\frac{1}{2} (38)(5.2)\\A=\frac{1}{2} (197.6)\\A=98.8

Therefore, the area of the pentagon is 98.8 cm².

I hope this helps!

5 0
3 years ago
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