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Lynna [10]
2 years ago
9

(9 – 6i) × m = 9 – 6i What is m? 0 1 9 6i -9 6i.

Mathematics
1 answer:
kobusy [5.1K]2 years ago
3 0

Answer:

1

Step-by-step explanation:

Anything x 1 is itself

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The profit, in dollars, of a small business can be modeled by the function P(x)=0.3x^2+7x-40, where c is the number of units sol
ra1l [238]

Answer:

The correct answer is 10 units.

Step-by-step explanation:

Profit function of a small business is given by P(x) = 0.3x^{2} + 7x - 40, where x is the number of units sold.

The small business intend to make a profit of $60.

To find out the number of units the business has to sell in order to have a profit of $60 is given by,

P(x) = 0.3x^{2} + 7x - 40 = 60

⇒ 0.3x^{2} + 7x - 100 = 0

⇒ 3x^{2} + 70x - 1000 = 0

⇒ x = -70 ± \sqrt{(70)^{2} + 12000} × \frac{1}{6}

⇒ x = -70 ± 130 × \frac{1}{6}

⇒ x = 10 or -\frac{200}{6}

Quantity sold cannot be negative giving us the value of x as 10 units.

6 0
2 years ago
Which relation IS a function? A.{(3, -2), (5, 1), (1, -1), (4, 4), (5, 4)} B.{(2, 3), (2, 2), (3, 4), (4, 3), (5, 0)} C.{(1, 5),
DIA [1.3K]

Answer:

Step-by-step explanation:

the answer is D because in D none of the x's repeat

4 0
3 years ago
How do you solve, 2=2y-x and 23=5y- 4x , using the substitution method
kicyunya [14]
2= 2y - x
23 = 5y - 4x

isolate the x in the first equation

x = 2y - 2

now use this to substitute x in the second equation

23 = 5y - 4 (2y - 2)
23 = 5y - 8y + 6
23 = -3y + 6
-3y = 17
y = -5 2/3 (5.6 repeating )

now use that to find x in either equation.

2 = 2 (-5.66666) - x
2= -11.3 repeating - x
13.3 repeating = -x
x = -13.3 repeating

optional ** use the second equation to check
5 0
3 years ago
If (-3, y) lies on the graph of y = 3-x, then y =<br><br> -27<br> 1/27<br> 27
Over [174]
Sub
(x,y)
(-3,y)
x=-3
y=y
y=3-(-3)
y=3+3
y=6

y=6 which is mysteriously not listed

3 0
3 years ago
Read 2 more answers
A model of a population of a small country is ​35,000(1.03)^x. Find the current population if x equals four years since the last
Komok [63]

Based on the model of the population and the amount of years that have passed, the current population is <u>39,393 people. </u>

The model of the population is:

<em>= 35,000 x (1.03)^ x</em>

If x is 4 years, slot this into the model to get:

= 35,000 x 1.03⁴

= 35,000 x 1.12550881

= 39,393 people

In conclusion, the current population is 39,393 people.

<em>Find out more at brainly.com/question/1232096. </em>

3 0
2 years ago
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