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algol13
3 years ago
7

Please answer this question

Mathematics
1 answer:
Virty [35]3 years ago
6 0

Answer:

1. 38 = 1 • 38

2. 38 = 2 • 19

Step-by-step explanation:

2. 38 ÷ 19 = 2

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Which function is the inverse of y=2^x
ivanzaharov [21]

Answer:

The inverse of

y

=

2

x

is

y

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log

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x

Explanation:

This is how to do it.

From the given

y

=

2

x

interchange the variables so that

x

=

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y

then solve for y:

x

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y

take the logarithm of both sides with base

=

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log

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x

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2

y

log

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x

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y

and

y

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log

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The graph of

y

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2

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and its inverse

y

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graph{(y-2^x)(y-log x/log 2)(y-x)=0[-20,20,-10,10]}

6 0
3 years ago
The list of numbers 41, 35, 30, X, Y, 15 has a median of 25. The mode of the list of numbers is 15. To the nearest whole number,
lara [203]

Answer:

C) 26

Step-by-step explanation:

41 , 35,30 , X , Y ,15

Number of data's = 6. So, median will be the average of (\dfrac{6}{2})^{th} \ and \ (\dfrac{6}{2}+1)^{th} \ term . 3 and 4th term

Median = \dfrac{30+X}{2}

\dfrac{30+X}{2}=25\\\\

30 + X = 25*2

30 + X = 50

       X = 50 - 30

X = 20

Mode is 15

So, Y = 15

41,35,30,20,15,15

Mean =\dfrac{41+35+30+20+15+15}{6}= \dfrac{156}{6}=26

3 0
3 years ago
Read 2 more answers
Bob parked his car at the local garage. If his car stayed for one hour, he would have been charged $6.00. If he stayed for 4 hou
Nitella [24]

Answer:

Initial charge is $2.5

Hourly charge is $3.5/hr

Equation is y=3.5x+2.5

Step-by-step explanation:

Getting slope

Get fixed charge

Get equation

The slope can be found as follows. For 1 hour, charges is $6 so making time in x axis while money charged in y axis, the first coordinate is (1, 6) while for 4 hours with charge of $16.5 the coordinate will be (4, 16.5)

The slope will be given by dividing change in y axis to change in x axis. This will be (16.5-6)/(4-1)=3.5

To get the fixed charge

Using the equation y=mx+c where m is slope while c is fixed charge, x is time and y is total cost then for 1 hour

6=3.5(1)+c

C=6-3.5=2.5

Therefore, generally the equation will be y=3.5x+2.5

Initial charge is $2.5

Hourly charge is $3.5/hr

Equation is y=3.5x+2.5

6 0
3 years ago
Find L<br> 10in 6in<br> L=__in
Ad libitum [116K]

Answer:

L = Square root of 109

8 0
3 years ago
Your mother gave you $13.32 with which to buy a present. This covered 3/5 of the cost. How much did the present cost
Gala2k [10]

Answer:

$22.20

Step-by-step explanation:

We are told that $13.32 only covered 3/5 of the cost. Does this mean it covered the whole cost? No. The 5 in the denominator represents the whole cost, and the 3 represents the fraction of the cost. In this case, 13.32 represents the 3, as it did not cover the whole cost.

Let's set up our equation by making 13.32 into a fraction.

13.32/x

We will represent the present's actual cost with the letter x.

13.32/x = 3/5

We want to make sure the 13.32 is in the numerator, equal to the 3 in the numerator in the 3/5 number, because we know that $13.32 only covered for a <em>fraction </em>of the present's cost, not the whole cost.

We solve this by doing cross multiplication. Multiply the 13.32 by the 5.

13.32 x 5 = 66.6

Next we divide 66.6 by 3 to get 22.2

66.6/3 = 22.2

This gives us our final answer of $22.20. This means that the cost of the original present was $22.20

5 0
4 years ago
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