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AlekseyPX
3 years ago
13

Three times the sum of a number and three

Mathematics
2 answers:
Yuki888 [10]3 years ago
8 0

Answer:

3x + 9

Step-by-step explanation:

Variables: X = unknown number

3(x +3)

3x + 9 (distributive property)

tigry1 [53]3 years ago
4 0
The answer would be 3x+9
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PQR is a right angled triangle with angle R 90 According to Pythagoras rule​
vazorg [7]

Answer:

The Pythagorean Theorem states that a^2+b^2=c^2

Step-by-step explanation:

This formula applies to the side lengths and means that the length of leg "a" squared, plus the length of leg "b" squared, will equal the length of hypotenuse "c" squared. Please state a more specific question so I can go into more detail if you need it :)

3 0
3 years ago
A rectangle has a length 3 times the width. What is the perimeter in terms of x?
Marina CMI [18]

Answer:

Perimeter is equal to all four sides added together.

Length = 3W; L=3W

So

P = 2(W) + 2(L)  substitute the equation for length above you get

P = 2(W) + 2(3W)  and combine

P = 2W + 6W = 8W; put in what the perimeter is and solve for W

66 = 8W, so W = 8.25

W = 8.25, L = 24.75

7 0
3 years ago
Rewrite as a log: y=7^x
Hatshy [7]
Maybe would help mathwath
5 0
3 years ago
Read 2 more answers
If the area of a baseball diamond (shape of a square) is 8100 ft squared, how would you find the distance from 1st base to 3rd b
Readme [11.4K]

Answer:

  • Exact distance = 90\sqrt{2} feet
  • Approximate distance = 127.2792 feet.

===========================================================

Explanation:

The area of the square is 8100 square feet, abbreviated ft^2.

Apply the square root to find the distance from any base to its adjacent counterpart (eg: from 1st to 2nd base). So we get sqrt(8100) = 90 ft as that side distance. Notice that 90*90 = 8100.

If you were to draw a line from 1st base to 3rd base, then you would split the square into two congruent right triangles. Each right triangle is isosceles (the two legs being 90 ft each).

Use the pythagorean theorem to find the hypotenuse.

a^2 + b^2 = c^2\\\\c = \sqrt{a^2+b^2}\\\\c = \sqrt{90^2+90^2}\\\\c = \sqrt{2*90^2}\\\\c = \sqrt{2}*\sqrt{90^2}\\\\c = \sqrt{2}*90\\\\c = 90\sqrt{2} \ \text{ ... exact distance}\\\\c \approx 127.2792 \ \text{ ... approximate distance}\\\\

The distance from 1st to 3rd base is roughly 127.2792 feet.

5 0
2 years ago
if Michael had four oranges and Timmy had 5 oranges and they combined them together how many oranges do they have in total
bija089 [108]
They have 9 because
5 + 4 = 9
4 0
3 years ago
Read 2 more answers
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