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avanturin [10]
3 years ago
13

Which shows the correct way to evaluate 20 – 10 ÷ (2 + 3) + 1?​

Mathematics
1 answer:
Rashid [163]3 years ago
5 0

Answer:

19

Step-by-step explanation:

In pic

(Credit:Symbolab)

(Hope this helps can I pls have brainlist (crown)☺️)

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F(x)=4^x and g(x)=4^x+2
dsp73

Given:

The two functions are:

f(x)=4^x

g(x)=4^x+2

To find:

The type of transformation from f(x) to g(x) in the problem above and including its distance moved.

Solution:

The transformation is defined as

g(x)=f(x+a)+b                .... (i)

Where, a is horizontal shift and b is vertical shift.  

  • If a>0, then the graph shifts a units left.
  • If a<0, then the graph shifts a units right.
  • If b>0, then the graph shifts b units up.
  • If b<0, then the graph shifts b units down.

We have,

f(x)=4^x

g(x)=4^x+2

The function g(x) can be written as

g(x)=f(x)+2            ...(ii)

On comparing (i) and (ii), we get

a=0,b=2

Therefore, the type of transformation is translation and the graph of f(x) shifts 2 units up to get the graph of g(x).

3 0
3 years ago
Consider the following portion of an electric circuit with three relays. Current will flow from point a to point b if there is a
Svetradugi [14.3K]

Answer:

0.9009

Step-by-step explanation:

Let X be the event that Current will flow

Let Y be the event that the first relay which is 1 is closed

Thus, we can say that every element of Y is in X, but X possesses more elements. Thus, Y ⊂ X.

Thus, we can say that;

P(X ∩ Y) = P(Y)

Thus, given that current flowed, the probability that relay 1 functioned will be expressed as;

P(Y | X) = (P(Y ∩ X))/P(X)

From earlier, we saw that P(X ∩ Y) = P(Y). Thus;

P(Y | X) = P(Y)/P(X)

From the question, P(Y) = 0.9

Since there are 3 relays, then we have;

P(X) = 1 - 0.1³ = 0.999

Thus;

P(Y | X) = 0.9/0.999

P(Y | X) = 0.9009

4 0
3 years ago
An item is regularly priced at $75 it is now priced at a discount of 55% off the regular price
pentagon [3]

Answer:

$41.25

Step-by-step explanation:

part=%(whole)

x=55%(75)

x=0.55(75)

x=41.25

7 0
3 years ago
PLS PLS PLS HELP I WILL MARK BRAINLIEST TO THE FIRST PERSON TO ANSWER !!!!!!!
elena-s [515]

Answer:

7.   30%

8.   70%

Step-by-step explanation:

not sure if its correct too

8 0
3 years ago
Which of these equations is in POINT-SLOPE form?
goblinko [34]
Y-3=23(x-4) hope this helps
7 0
3 years ago
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