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USPshnik [31]
3 years ago
6

Consider the function y=f(x)=3x. The values of f(12) and f(14), rounded to the nearest hundredth, are_______ and__________ , res

pectively.
Mathematics
2 answers:
Solnce55 [7]3 years ago
5 0
The answers are 36 and 42
Valentin [98]3 years ago
5 0

Answer:

The value of f(12) and f(14) are 36 and 42 respectively

Step-by-step explanation:

Given function

y=f(x)=3x

we have to find the values of f(12) and f(14)

To find f(12)

Put x=12 in given function y=3x

y=f(12)=3(12)=36

To find f(14)

Put x=14 in given function y=3x

y=f(14)=3(14)=42

The value of f(12) and f(14) are 36 and 42 respectively

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If A = -3 + 5i, B = 4 - 2i, and C = 1 +6i, where i is the imaginary unit, then A - BC equals
Maslowich

Answer:

3) -19 - 17i is our answer

Step-by-step explanation:

to solve A - BC we plug in the values given

A= -3 + 5i

B = 4 - 2i

C = 1 + 6i

-3 + 51i - (4 - 2i)(1 + 6i) is our expression. we can FOIL (4 - 2i)(1 + 6i) this expression out. FOIL stands for:

First

Outside

Inside

Last

i will highlight the terms i am using in the current step in bold and put the result next of those two terms next to the expression

F: (4 - 2i)(1 + 6i) = 4

O: (4 - 2i)(1 + 6i) = 24i

I: (4 - 2i)(1 + 6i) = -2i

L: (4 - 2i)(1 + 6i) = 12 < --- the reason why its 12 and not -12i or 12i is because <em>i</em> = √-1 and i² = -1

when we multiply -2i * 6i, we would have gotten a -12i², and i² = -1, so we are multiplying -12 by -1, which gives us 12 as the result

combining all these terms together and we have:

4 + 24i - 2i + 12

in the expression this is:

-3 + 5i - (4 + 24i - 2i + 12) < we need to distribute the negative sign into (4 + 24i - 2i + 12) and we now get:

-3 + 5i -4 - 24i + 2i - 12 < combine like terms (ex: i terms together)

-3 - 4 - 12 = -19

5i - 24i + 2i = -17i

the result of the expression is:

-19 - 17i

we cannot simplify this any further so this is our answer. the answer choice that matches this is 3, so 3) -19 - 17i is our answer

6 0
3 years ago
How many times larger is 8 x 10^4 than 2 x 10^2
erma4kov [3.2K]

Answer:

400 times Greater

Step-by-step explanation:

8 x 10^4

10^4 = 10000

10000 x 8 = 80000

2 x 10^2

10^2 = 100

2 x 100 = 200

\frac{80000}{200}= 400

6 0
2 years ago
Suppose you have an isosceles triangle, and each of the equal sides has a length of 1 foot. suppose the angle formed by those tw
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\left \{ {{y=2} \atop {x=2}} \right.
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3 years ago
please help; tell me if you need more information. When a number is raised to the second power, it is called __________.
lawyer [7]

Answer:

five squared

Step-by-step explanation:

6 0
3 years ago
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