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creativ13 [48]
3 years ago
10

128= 4^2x times 2^x What is x?

Mathematics
1 answer:
algol [13]3 years ago
3 0

Answer:

x=7/5

Step-by-step explanation:

We can write it in exponential form

128= 2^2*2x * 2^x

2^4x+x=5x

2^5x=128

2^5x=2^7

5x=7

x=7/5

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How do you write 11/3 as a mixed number
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3 0
4 years ago
B. if lucinda has only $18 to spend and the price of kewpie dolls and the price of beanie babies are both $6, how many of each w
adoni [48]
Given the table below comparing the marginal benefit Lucinda gets from Kewpie dolls and Beanie Babies.

\begin{tabular}&#10;{|p {2cm}|p {2cm}|p {2cm}|p {2cm}|}&#10;\multicolumn {4} {|c|} {Lucinda's Kewpie Doll and Beanie Baby Marginal Benefits}\\[1ex]&#10;\multicolumn {2} {|c|} {Kewpie Dolls}&\multicolumn {2} {|c|} {Beanie Babies}\\[1ex]&#10;1&\$15.00&1&\$12.00\\&#10;2&\$12.00&2&\$10.00\\&#10;3&\$9.00&3&\$8.00\\&#10;4&\$6.00&4&\$6.00\\&#10;5&\$3.00&5&\$4.00\\&#10;6&\$0.00&6&\$2.00\\&#10;\end{tabular}

<span>If lucinda has only $18 to spend and the price of kewpie dolls and the price of beanie babies are both $6,

Lucinda will buy the combination for which marginal benefit is the same.

Therefore, Lucinda will buy </span><span>2 kewpie dolls and 1 beanie baby,</span><span> if she were rational.</span>

5 0
3 years ago
0 Xa The owner of a large electronic store building wants to install air-conditioning. The size of the air condicioner depends o
Softa [21]

The volume of a shape is the amount of space in it.

<em>The volume of the building is </em>180m^3<em />

The given parameters are:

<u>Rectangular prism</u>

<u />Length = 3m; Width = 8m; Height = 5m<u />

<u />

<u>Triangular Prism</u>

<u />Base = 3m; Horizontal\ Height= 8m; Vertical\ Height = 5m<u />

<u />

<u />

The volume of the rectangular prism is:

<u />V_1 = Length \times Width \times Height<u />

<u />V_1 = 3m \times 8m \times 5m<u />

<u />V_1 = 120m^3<u />

<u />

<u />

The volume of the triangular prism is:

<u />V_2 = \frac 12 \times Base \times Horzontal \times Vertical\ Height<u />

<u />V_2 = \frac 12 \times 3m \times 8m \times 5m<u />

<u />V_2 =60m^3<u />

<u />

So, the volume of the building is:

V = V_1 + V_2

V = 120m^3 + 60m^3

V = 180m^3

Hence, the volume of the building is 180m^3

Read more about volumes at:

brainly.com/question/15861918

6 0
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