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3 years ago

Definition of mathematics?ANS FIRST WILL MARK AS BRAINLIEST

2 answers:

8 0

The abstract science of number, quantity, and space. mathematics may be studied in its own right ( pure mathematics ), or as it is applied to other disciplines such as physics and engineering ( applied mathematics ).

shutvik [7]3 years ago

5 0

Answer:

the abstract science of number, quantity, and space, either as abstract concepts (pure mathematics), or as applied to other disciplines such as physics and engineering (applied mathematics).

Step-by-step explanation:

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Find the area of the circle.

il63 [147K]

Answer:

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6 0

3 years ago

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What is the average of 22.10;13.45;25.10;17.20;19.10?

Oxana [17]

The correct answer is: 19.39

Explanation:

Given numbers:

22.10, 13.45, 25.10, 17.20, 19.10

Total numbers = 5

$Average = \frac{Sum-of-all-numbers}{total-numbers}$

Now to find the average of the given sequence, follow these steps:

Step-1:

Add all the numbers to get the total sum:

22.10 + 13.45 + 25.10 + 17.20 + 19.10 = 96.95

Step-2:

Divide 96.95 by 5 to get the average number:

$\frac{96.95}{5} = 19.39$

Hence the correct answer is 19.39.

6 0

4 years ago

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Mr. Johnson has a garden in the shape of a kite with a length of 5 feet and a width of 4 feet. A bag of topsoil covers 10 square

Degger [83]

The area of each triangle is 5 ft²

The area of the garden is 10 ft²

The number of bags of topsoil needed is 1 bag

Hope this helps

-Carrie

Please mark brainliest 

Stay safe 

6 0

4 years ago

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A plane traveled 240 miles. The trip was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 6 h

sveta [45]

Answer:

Plane speed is 60 miles/hour

Wind speed is 20 miles/hour

Step-by-step explanation:

Lets suppose the speed of the plane in still air is s and speed of the wind is w and since speed in the formula below equals speed of the plane plus the wind's speed so speed=s+w for this journey with the wind

$Speed=\frac{Distance}{Time}$

$Distance=Speed*Time$

For the first journey the trip with the wind:

$Distance=Speed*Time\\240=(s+w)(3)\\240/3=s+w\\s+w=80$

Here we got our first equation for the second equation we use the information from the second trip which was into the wind. Which means the speed here would be speed=s-w

$Distance=Speed*Time\\240=(s-w)*6\\240/6=s-w\\s-w=40$