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11Alexandr11 [23.1K]
3 years ago
10

Which describes how to find the solution 5k >22

Mathematics
1 answer:
inysia [295]3 years ago
8 0

Answer:

<h2>k > 4.4</h2>

Step-by-step explanation:

5k>22\qquad\text{divide both sides by 5}\\\\\dfrac{5k}{5}>\dfrac{22}{5}\\\\k>4\dfrac{2}{5}\to k>4.4\to k\in(4.4,\ \infty)

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Is the square root of 25 rational? yes or no and please explain why.
N76 [4]

Answer: Rational "yes"

Step-by-step explanation: The square root of 25 is indeed a rational number. Rational numbers are numbers. The square root of 25 is a perfect square which means that it has a number that can be multiplied by itself which gives us 25.

In this case, the number is 5 so yes, it's rational.

5 0
3 years ago
What is the solution of 4 |x - 9| + 6 &gt; 42?
Galina-37 [17]

Answer:

0 <x> 18

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 (4 • (x - 9) +  6) -  42  > 0  

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  4x - 72  =   4 • (x - 18)  

Equation at the end of step  3  :

 4 • (x - 18)  > 0  

Step  4  :

4.1    Divide both sides by  4  

Solve Basic Inequality :

4.2      Add  18  to both sides

            x > 18

8 0
3 years ago
Need help I don’t know how to do it
liberstina [14]
First attempt to break the top portion up so the negative signs don’t confuse you.

(2 x -2) x (-2 x -4)/ 2 x 2

= (-4) x (8)/ 4

= -32/4

= -8

*Remember that multiplying two negative numbers give you a positive number
8 0
2 years ago
Subtract 16 L 18 CL 9 ml from 85 L
harkovskaia [24]

Answer:

  (1)  68.811 L

Step-by-step explanation:

The amount being subtracted is ...

  16 + 0.18 + 0.009 = 16.189 . . . . liters

The difference is ...

  85.000 -16.189 = 68.111 . . . liters

__

<em>Additional comment</em>

cL is the SI unit "centiliters." The prefix "centi-" mean 1/100 or 0.01 units. Then 18 cL = 18 × 0.01 L = 0.18 L.

mL is the SI unit "milliliters." The prefix "milli-" means 1/1000 or 0.001 units. Then 9 mL = 9 × 0.001 L = 0.009 L.

8 0
2 years ago
20 is 60% of what number
Oxana [17]
33.33? im not sure, but you do a/b=p/100. p is the percent, a is the part of the whole number, b. so the equation would be 20/b=60/100. then you do cross multiplication (60b=2000) then you divide.
3 0
3 years ago
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