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vazorg [7]
3 years ago
6

Is 147 a prime or composite number please explain

Mathematics
1 answer:
aliya0001 [1]3 years ago
3 0
147 is a composite number because it is divisible by 1, 3, 7, 21, 49, and 147. A prime njmber is a number that has only two factors, 1 and itself. Any number that is not a prime number, is a composite number.
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Which graph represents the function f(x)=5lnx?
anastassius [24]

Answer:

The first graph (top-left) is the correct graph.

Please, also check the attached graph.

Step-by-step explanation:

Given the function

f\left(x\right)=5\:lnx

First, we should determine the x and y-intercepts.

Determining the y-intercept:

We know that the value of the y-intercept can be determined by setting x = 0 and determining the corresponding value of y.

Thus,  

substitute x = 0 in the function

y = lnx

y = ln(0)

y = undefined

Therefore, at x = 0, the value of y becomes undefined.

Hence, None is the y-intercept.

Determining the x-intercept:

We know that the value of the x-intercept can be determined by setting y = 0 and determining the corresponding value of x.

Thus,  

substitute y = 0 in the function

0 = ln(x)

Flipe the equation

ln(x) = 0

Solve algorithm

ln(x) = 0

Take exponent of both sides

\:e^{ln\left(x\right)}=e^0

x\:=e^0

x = 1

Thus, the point of x-intercept is: (0, 1)

<u>Conclusion:</u>

Now, if we carefully check the graph options, we can easily figure out that the first graph (top-left) correctly displays the x and y-intercepts.

It is clear from the graph that:

at x = 0, y is heading towards -ve infinity.

at y = 0, x = 1

Therefore, the first graph (top-left) is the correct graph.

Please, also check the attached graph.

5 0
3 years ago
SELECT TWO MIXED NUMBERS WHOSE ESTIMATED DIFFERENCE IS 1. JUSTIFY YOUR SELECTION?
Mariulka [41]
It would be: 6 1/2 - 5 1/2

You can check by simplifying: 
= 13/2 - 11/2
= 13-11/2
= 2/2
= 1

Hope this helps!

3 0
3 years ago
Part B: If the backpack regularly costs $40, how much does it cost, in dollars, after
lianna [129]

Answer:

  • $32

Step-by-step explanation:

<u>Given:</u>

  • Initial cost = $40
  • Discount = 20%

<u>Discounted cost:</u>

  • 40 - 20% =
  • 40 - 40*0.2 =
  • 40 - 8 =
  • 32
3 0
3 years ago
Read 2 more answers
All of the following fractions are equivalent to 1/2 , except:
pentagon [3]
C) 4/7 is not equal to 1/2
4 0
3 years ago
What's the value of x in the figure?<br><br><br> A) 76°<br><br> B) 33°<br><br> C) 57°<br><br> D) 78°
Liula [17]

Answer:

  1. the figure shows the value of x is 57°
5 0
3 years ago
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