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siniylev [52]
3 years ago
12

A turntable makes 45 revolutions per minute. How many revolutions does it make per second?

Mathematics
1 answer:
Stolb23 [73]3 years ago
7 0

Answer:

45/60=0.75

Step-by-step explanation:

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Which system of inequalities has a solution set that is a line?
andre [41]

Answer:

x + y ≥ 3

x + y ≤ 3

Step-by-step explanation:

In the picture attached, the problem is shown.

The solution to the system:

x + y ≥ 3

x + y ≤ 3

is the line x + y = 3

In order to get a solution to a system of inequalities that is a line, we need the same equation on the left (here, x + y), the same constant on the right (here, 3), and the ≥ sign in one inequality and the sign ≤ in the other one.

4 0
3 years ago
Find the sum of all positive divisors of 50 that are also divisors of 15. Pls
egoroff_w [7]

Answer:

6

Step-by-step explanation:

Listing the divisors of each number

50 : 1, 2, 5, 10, 25, 50

15 : 1, 3, 5, 15

The common divisors are : 1, 5

Their sum = 1 + 5 = 6

6 0
3 years ago
Vol=1348.79cm³. What's X? (Height)
ale4655 [162]
V = PI x r^2 x H

1348.79 = 3.14 x 5.5^2 x H

1348.79 = 94.985 x h
h = 1348.79 / 94.985
h = 14.2 cm  ( round answer if needed)


4 0
3 years ago
Multiply (-6 + i)(-2 + 9i).
malfutka [58]

Answer:

b

Step-by-step explanation:

go with that and you may win at this multiply question

4 0
3 years ago
Read 2 more answers
(2x³+4x²-x+8) / (x² + 3x + 2)
a_sh-v [17]

\dfrac{2x^3+4x^2 -x+8}{x^2 +3x+2}\\\\\\=\dfrac{2x^3+6x^2+4x-2x^2-6x-4+x+12}{}\\\\=\dfrac{2x(x^2 +3x+2)-2(x^2 +3x+2)+x+12}{x^2 +3x+2}\\\\\\=\dfrac{2x(x^2+3x+2)}{x^2 +3x +2 }- \dfrac{2(x^2 +3x +2)}{x^2 +3x +2 } + \dfrac{x+12}{x^2 +3x+2}\\\\\\=2x-2 + \dfrac{x+2}{x^2 +3x +2}\\\\\\=2x-2 + \dfrac{x+12}{x^2 +2x +x +2}\\\\\\=2x-2 + \dfrac{x+12}{x(x+2) + x+2}\\\\\\=2x-2 + \dfrac{x+12}{(x+1)(x+2)}\\

3 0
2 years ago
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