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Soloha48 [4]
3 years ago
15

Which doesnt belong, and why? 9, 16, 25, 43

Mathematics
2 answers:
Tomtit [17]3 years ago
3 0

Answer:

43

Step-by-step explanation:

The first three numbers are perfect squares:

9 = 3²

16 = 4²

25 = 5²

43 is not a perfect square.

djyliett [7]3 years ago
3 0

Answer:

16: it is an even number

Step-by-step explanation:

9: odd

16: even

25: odd

43: odd

9, 25, and 43 are all odd numbers.

16 is an even number.

16 doesn't belong as it is an even number.

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Two balls are drawn in succession out of a box containing 4 red and 3 white balls. Find the probability that at least 1 ball was
kifflom [539]

Answer:

A) 40/49

B) 36/42

Step-by-step explanation:

Given:

Red Balls, R : 4

White Balls, W : 3

Total Balls : 3+4=7 balls

A) If balls were replaced before the 2nd draw

P (White) = 3/7; P(Red) = 4

P(at least 1 red ball),

= 1 - P(no red balls)

= 1  - P(White, White)

= 1 - (3/7)(3/7)

= 1-(9/49)

= 40/49

A) If balls were replaced before the 2nd draw

P(1st White Ball) = 3/7 ; P(2nd White Ball) = 2/6

P(at least 1 red ball),

= 1 - P(no red balls)

= 1  - P(1st White, 2nd White)

= 1 - (3/7)(2/6)

= 1 - 6/42

= 36/42

7 0
4 years ago
Steven was given the function, f(x)=1.05^2t and asked to determine the rate of change and the type of exponential function. What
erik [133]
f(x)=1.05^{2t}
The term 1.05 consists of the initial value 1 and the rate of change 0.05, (the latter being expressed as a decimal).
Therefore the correct answer choice is C.
6 0
3 years ago
Fiona must find the length indicated by the dotted line for the tiles she is installing. She knows that each polygon is a regula
katen-ka-za [31]

The answer is B. 3.75 in.

Good luck:)

8 0
3 years ago
Read 2 more answers
If side b is 12 and side c is 31. Round your answer to the nearest hundredth.
Marrrta [24]

Answer:

i think you mean area so 31?

Step-by-step explanation:

i need more stuff to answer that

6 0
4 years ago
Graphing Logarithmic Function In Exercise,sketch the graph of the function.See example 1.
Elenna [48]

Answer:

The graph of given function is shown below.

Step-by-step explanation:

The parent natural logarithmic function is

f(x)=\ln x

The given function is

y=5+\ln x

It means

y=5+f(x)              .... (1)

The translation is defined as

g(x)=kf(x+a)+b                .... (2)

Where, k is stretch factor, a is horizontal shift and b is vertical shift.

If 0<k<1, then the graph compressed vertically by factor k and if k>1, then the graph stretch vertically by factor k.

If a>0, then the graph shifts a units left and if a<0, then the graph shifts a units right.

If b>0, then the graph shifts b units up and if b<0, then the graph shifts b units down.

On comparing (1) and (2) we get

b=5

It means the graph of parent function shifts 5 units up to get the graph of given function.

Table of values:

x               y

0.25     3.614

0.5       4.307

 1             5

 2         5.693  

Plot these points on a coordinate plane connect then by a free hand curve.

The graph of given function is shown below.

5 0
3 years ago
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