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Bumek [7]
3 years ago
13

Do this and explain how you got your answer

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
4 0

Answer:

did you search this? because this is a word problem if you search it there will most likely be someone who answered it

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What exactly are you asking?
3 0
3 years ago
Evaluate the expression when a = 2.<br> a^2+7a+7
Galina-37 [17]

Answer:

25

Step-by-step explanation:

a² + 7a + 7

a = 2

Plug in the value of 2 for every occurance of a.

(2)² + 7(2) + 7

First, solve the exponent.

4 + 7(2) + 7

Now, multiply.

4 + 14 + 7.

Add.

25

This is your answer.

Hope this helps!

7 0
3 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

6 0
3 years ago
Fun question: Which animal do you think is the smartest animal in the world. Whoever has the most detailed response gets a Brain
Harlamova29_29 [7]

Answer

I would say Chimpanzees

Step-by-step

Not only are they our closest ancestors, they are one of the few animals that actually use tools to get food. They're pretty interesting creatures

4 0
3 years ago
Read 2 more answers
Write 45,300,000 in scientific notation. (Use 2 numbers after the decimal point.)
djverab [1.8K]

Answer:

4.53*10^7 because you have to move the decimal place then multiply by ten to the power of the amount you moved the decimal.

8 0
3 years ago
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