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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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Triangle JKL is dilated with the origin as the center of dilation to create triangle J'K'L' .

Kitty [74]

Answer: (x,y) -> (7/4x, 7/4y)

Step-by-step explanation:

5 0

2 years ago

Juan tiene cubos azules de 55 mm de arista y cubos rojos de 45 mm de arista. Los apila en dos columnas, una de cada color ; quie

balu736 [363]

the question in English

Juan has blue cubes with a 55 mm edge and red cubes with a 45 mm edge. He stacks them in two columns, one of each color; he wants the two columns to be the same height. How many cubes does he need, as a minimum, of each color?

Let

x---------> the number of blue cubes

y--------> the number of red cubes

we know that

Juan wants that the two columns to be the same height

$55x=45y$

solve for y

$y=\frac{55}{45}x$

I proceed to calculate a table, assuming values of x to calculate the value of y. When the values of x and y are whole numbers, I will have found the solution.

the table in the attached figure

therefore

<u>the answer is</u>

9 blue cubes

11 red cubes

7 0

3 years ago

The cost of petrol rises by 2 cents a liter. Last week a man bought 20 liters at the old price. This week he bought 10 liters at

In-s [12.5K]

Answer: the old price for 1 liter is $0.3

Step-by-step explanation:

Let x represent the old price for 1 liter of petrol.

Last week a man bought 20 liters at the old price. This means that the total amount that the man paid for 20 liters is 20x.

The cost of petrol rises by 2 cents a liter. This means that the new price per liter is x + 2/100 = x + 0.02

This week he bought 10 liters at the new price. This means that the total amount that the man paid for 10 liters is

10(x + 0.02)

= 10x + 0.2

Altogether, the petrol costs $9.20. This means that

20x + 10x + 0.2 = 9.2

30x + 0.2 = 9.2

30x = 9.2 - 0.2

30x = 9

x = 9/30

x = 0.3

3 0

3 years ago

Point M is the midpoint of segment AB. Find the X Coordinate of the midpoint M if A (5.1,4.6) and B (7.9,2.5). Round to the near

JulsSmile [24]

Answer:

6.5

Step-by-step explanation:

5.1+7.9=13

13 divided by 2

= 6.5

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2 years ago

Reasoning A salesperson's commission rate is 6%. What is the commission from the sale of

ANTONII [103]

Answer:

1980

Step-by-step explanation:

It’s right, trust me

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3 years ago