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Lelu [443]
2 years ago
15

21-3+18÷6=6 Determine if True?

Mathematics
2 answers:
Lunna [17]2 years ago
7 0

Answer:

False

Step-by-step explanation:

21-3+18\div 6 \\\\=21-3+3\\\\=21-0\\\\=21\neq 6

Pavel [41]2 years ago
6 0

Answer:

False

Step-by-step explanation:

Consider left side

21 - 3 + 18 ÷ 6

Following the rules of PEMDAS

division is performed before addition/ subtraction

= 21 - 3 + 3

= 21 + 0

= 21 ≠ 6

thus the initial statement is False

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The function P(x) = –0.015x^2 + 1.2x – 11.5 gives the profit, in thousands of dollars, when a company sells a new product at x d
dlinn [17]

Answer:

The profit decreases by $ 375 for every $ 1 increase in the selling price.

Step-by-step explanation:

From the definition of the secant line we get that the average rate of change of P(x) = -0.015\cdot x^{2}+1.2\cdot x -11.5, where x is the selling price of the product, measured in dollars per unit, is:

r = \frac{P(55)-P(50)}{55-50} (1)

Now we evaluate the function at each bound:

x = 50

P(50) = -0.015\cdot (50)^{2}+1.2\cdot (50)-11.5

P(50) = 11

x = 55

P(55) = -0.015\cdot (55)^{2}+1.2\cdot (55)-11.5

P(55) = 9.125

Then, the average rate of change is:

r = \frac{9.125-11}{55-50}

r = -0.375

Hence, the profit decreases by $ 375 for every $ 1 increase in the selling price.

8 0
2 years ago
-11-2+3(4*6^2/(-9))]
Lelechka [254]

Answer:

use calculating

Step-by-step explanation:

get a calculator and type it

8 0
3 years ago
Read 2 more answers
Drag each tile to the correct box.
ohaa [14]

Answer:

Step-by-step explanation:

5 0
2 years ago
18
asambeis [7]

Answer:

B

Step-by-step explanation:

When we have a horizontal translation on the x-axis, it means the translation in question would be affecting only the x component of our function

With respect to the question, what we have here is that we are going to take out some values from x (or add some values) to it

Thus;

f(x) = x^2 would be;

g(x) = (x-4)^2

Corresponding to a shift to the right of upto 4 units on the x axis

7 0
3 years ago
Help please ! Need the answers
son4ous [18]

Answer:

x=\frac{-5+\sqrt{13}}{6} or x=\frac{-5-\sqrt{13}}{6} (decimal: x=-0.23240 , x=-1.43425)

Step-by-step explanation:

a = 3, b = 5, c = 1

plug into quadratic formula

8 0
3 years ago
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