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3 years ago

15

Lila is building a playground. There are 9 different slides and 5 swing sets to choose from. If the playground will include one

of each type of play structure, how many different playgrounds can Lila build?

1 answer:

Brrunno [24]3 years ago

3 0

Answer:

i think that she might be able to build 2

Step-by-step explanation:

but if you multiply them both you will get forty.

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sesenic [268]

Answer: this is very hard and i was wondering if there is more info

Step-by-step explanation:

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4 years ago

In the 1990s the demand for personal computers in the home went up with household income. For a given community in the 1990s, th

WITCHER [35]

Answer:

a) 0.5198 computers per household

b) 0.01153 computers

Step-by-step explanation:

Given:

number of computers in a home,

q = 0.3458 ln x - 3.045 ; 10,000 ≤ x ≤ 125,000

here x is mean household income

mean income = $30,000

increasing rate, $\frac{dx}{dt}$ = $1,000

Now,

a) computers per household are

since,

mean income of $30,000 lies in the range of 10,000 ≤ x ≤ 125,000

thus,

q = 0.3458 ln(30,000) - 3.045

or

q = 0.5198 computers per household

b) Rate of increase in computers i.e $\frac{dq}{dt}$

$\frac{dq}{dt}$ = $\frac{d(0.3458 ln x - 3.045)}{dt}$

or

$\frac{dq}{dt}=0.3458\times(\frac{1}{x})\frac{dx}{dt} - 0$

on substituting the values, we get

$\frac{dq}{dt}=0.3458\times(\frac{1}{30,000})\times1,000$

or

= 0.01153 computers

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3 years ago

If (a^x a ^y) - a^z = a^m then express m in terms of x, y and z.

omeli [17]

Answer:

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Step-by-step explanation:

Given the expression.

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Using the multiplicative law of indices, the expression becomes:

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Applying the division rule in indices

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a^{x+y-z} = a^m

Cancel out the base and equate the powers as shown:

x+y-z = m

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Answer:

The Answer is D

Step-by-step explanation:

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