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EastWind [94]
2 years ago
7

Five books on Lisa's reading list are fiction.

Mathematics
2 answers:
elena55 [62]2 years ago
7 0
25 books in her entire reading list.
kiruha [24]2 years ago
6 0
Fiction books : 20 % ( 5 books )
20 % = 5
1 % = 5 / 20 = 0.25
100 % ( whole collection ) = 0.25 x 100 = 25

Hence, Lisa has 25 books in all.

Hope this helps you! If you don't understand any steps you can ask me :)
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Write each expression as an equivalent expression with a single logarithm. Assume xx, yy, and zz are positive real
Alekssandra [29.7K]

Answer:

\ln(\frac{xx + yy}{zz})^{\frac{1}{2}}

Step-by-step explanation:

Given:

1/2(ln(xx + yy) − ln(zz))

Now,

From the properties of log function,

1)  n × ln(x) = ln(xⁿ)

and,

2)  ln(A) - ln(B) = \ln\frac{A}{B}

applying the properties in the given equation

we get the above equation as:

\frac{1}{2}(\ln\frac{xx + yy}{zz})        

( using the property 2 we get (ln(xx + yy) − ln(zz) = \ln\frac{xx + yy}{zz}  

or

⇒ \ln(\frac{xx + yy}{zz})^{\frac{1}{2}}    ( using the property 1 i.e n × ln(x) = ln(xⁿ) )

expression as an equivalent expression with a single logarithm is \ln(\frac{xx + yy}{zz})^{\frac{1}{2}}

3 0
3 years ago
I need help asparagus is it a b c d please help me
Yuri [45]

Answer:

A

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
AB=25 , BD=4, Solve for the radius?<br> Please help!!!!!
Alex787 [66]

9514 1404 393

Answer:

  r = 14.5

Step-by-step explanation:

AD is the perpendicular bisector of chord EC, so is the diameter of the circle. The radius is half the diameter.

  r = AD/2 = (AB +BD)/2 = (25 +4)/2 = 29/2

  r = 14.5

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Segments BE and BC are 10 = √(25·4)

4 0
2 years ago
Diagram 2 shows a piece of rectangular card in grey colour
Ilya [14]

Solution:

we have given the length of the rectangular card-

x + 5  \: cm

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7 \: cm

now, the area of the card will be- length×width.

so, we have-

(x + 5) \times 7 \: cm^{2}  \\ 7x + 35 \: cm^{2}

we also have given the length of ribbon-

7 \: cm

and, width-

y \: cm

so, area of the ribbon is-

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7 \times y \: cm^{2}  \\ 7y \: cm^{2}

now the area of shaded gray region will be-

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Hence, the required expression would the above expression.

6 0
2 years ago
Is the graph a linear function , nonlinear , function , or relation
Irina-Kira [14]

It is a linear function , Option A is the right answer.

The missing graph is attached with the image

<h3>What is a Linear Function ?</h3>

A linear function is a function that can be represented by the equation

y = mx +c

where m  is the slope and the c is the intercept on y axis.

From the graph it can be seen that it is following a straight line pattern and therefore it can be represented by y = mx +c and

Therefore it is a linear function , Option A is the right answer.

To know more about Linear Function

brainly.com/question/21107621

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