MATHEMATICS HIGH SCHOOL

Il perimetro di un pentagono regolare è 18,25cm. quanto misura il lato del pentagono​

Answers

Answer 1
Answer:

Answer:

3,65 cm

Step-by-step explanation:

Un pentagono ha 5 lati congruenti

18,25 : 5 = 3,65 cm

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The graph of the linear equation 3x + 5y = 15 cuts the x-axis at the point ________.​
Write an expression that matches the verbal expression: seven less than a number.
The perimeter of a pool table is 30 feet. The table is twice as long as it is wide. What is the length of the pool table?
During the first week of the year, Angelina's dad give her $10 and says that he will give her $10 more each week for the rest of the year. At the end of the year, how much money will Angelina receive from her dad? (Hint : 1 year = 52 weeks) Make a table to show the pattern, and explain your answer.

What is the length of segment ol?

Answers

Answer:

The length of segment of OL is 22.4 cm

Option 3 is correct

Step-by-step explanation:

In ΔMNL, NM||PO

If two sides are parallel then their corresponding sides are in ratio.

Basic Proportionality Theorem: If a line is parallel to a side of a triangle which intersects the other sides into two distinct points, then the line divides those sides in same ratio.

Therefore,

(OL)/(OM)=(PL)/(NP)

(x+4)/(8)=(14)/(5)

5(x+4)=14\cdot 8

5x+20=112

5x=92

x=18.4

OL = x+4

OL = 18.4 + 4 = 22.4 cm

Hence, The length of segment of OL is 22.4 cm
Ok, so to do this problem you have to set up a proportion. You are given x+4, 14, 8, and 5. The proportion is as follows:

X+4      8
-----  = ----     Now cross multiply to get 5x+20=112. 112-20= 92, and 
14        5       92/5= 18.4. Your answer is A, 18.4 cm.


Hope this helps! :)

A student runs 100 meters in 11 seconds. What is the speed of the student? 9.1 miles per hour 16miles per hour 20.3miles per hour 24miles per hour

Answers

The answer is 20.3 miles per hour. First, you need to change meter and second to mile and hour. The 100 meter equals 100/1609 mile. 11 seconds equals 11/3600 hour. Then using mile number divides by hour you can get the answer.

Tile costs $28 per square meter. how much will it cost to cover the countertop with new tile? (48 square Feet)

Answers

You multiply 48 by28. You get 1344.So it would cost $1,344.00.

Jason is saving up for a skateboard and helmet. The skateboard is 45.50 with tax and the helmet is 18.25 with tax. He earned 1/3 of the money by mowing lawns and the rest by babysitting. How much did jason earn with babysitting

Answers

Answer:

  2/3 of the money, $42.50

Step-by-step explanation:

The total Jason is saving is ...

  $45.50 +18.25 = $63.75

If 1/3 was earned by mowing, the remaining 2/3 was earned by babysitting. Two thirds of the amount is ...

  (2/3) × $63.75 = $42.50

Jason earned $42.50 by babysitting.

Maisha is using special paint for her artwork.The art supply store chargers $ 1.50 per cup of paint.Maisha needs 2 pints of blue paint, 3 cups of green paint, 1 1/2 quarts of orange paint,and 1/2 cup of yellow paint.How much will she pay?

Answers

Maisha can calculate the total cost by multiplying the total amount of paint by the price per cup, Maisha will pay $71.25 for the paint she needs.

What is multiplication?

Multiplication is an arithmetic operation in mathematics that involves combining two or more quantities to form a product. It is a way of finding the total amount or size when there are multiple equal groups or units of the same size.

Maisha needs to calculate the total cost of the paint she needs to buy for her artwork.

First, she needs to convert the units of paint to cups since the price is given in terms of cups of paint:

2 pints of blue paint = 2 x 2 x 8 = 32 cups of blue paint (1 pint = 2 cups, and 1 cup = 8 ounces)

1 1/2 quarts of orange paint = 1.5 x 4 x 2 = 12 cups of orange paint (1 quart = 4 cups, and 1 cup = 8 ounces)

1/2 cup of yellow paint = 0.5 cups of yellow paint

Now, Maisha can add up the total amount of paint she needs:

32 cups of blue paint

3 cups of green paint

12 cups of orange paint

0.5 cups of yellow paint

The total amount of paint is:

32 + 3 + 12 + 0.5 = 47.5 cups

Finally, Maisha can calculate the total cost by multiplying the total amount of paint by the price per cup:

47.5 x $1.50 = $71.25

Therefore, Maisha will pay $71.25 for the paint she needs.

To learn more about multiplication visit:

brainly.com/question/1135170

#SPJ1

suppose the monkey is typing using only the 26 letter Keys what is the probability that the monkey will type cat

Answers

Every time the monkey types 3 letters, the probability that they will be C-A-T is
(1/26)-cubed = about 0.0057 % .
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