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scZoUnD [109]
3 years ago
14

Lourenço analyzed prices of laptop

Mathematics
1 answer:
Snezhnost [94]3 years ago
4 0
The price y is a function of x, the speed of the processor.

In function notation this means, y=f(x), where f(x)=<span>101x + 207.85.
</span>
For example to calculate the (approximate) price of a laptop with processor 4 gigahertz, we let x=4, and plug in f. 

That is the price y for x=4 is calculated by y=f(4).

So, since y=f(x)=<span>101x + 207.85, the (expected) price of a laptop with processor speed 2.5 gigahertz is :

y=f(2.5)=101(2.5)+207.85= 460.35 ($)


Answer:

</span>C. $460
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2. Round the following numbers to the nearest 10 thousand:
Vlad [161]

The  values of the given numbers when it is rounded up to the nearest 10 thousands are:

  • 990000
  • 150000

<h3>What is rounding up in mathematics?</h3>

Rounding up can be described as the process that is been used in the mathematics which is been used in the estimation of a particular number in a context.

It should be noted that in rounding the  a number up, it is required to look at the next digit at the right hand of the given figures in a case whereby the digit is less than 5,the digit can be rounded down, but in the case whereby the digit is more that 5 then it can be rounded up .

From the given values, we are given the 990,201 and 159,994  and if this were to rounded up to the nearest 10 thousand then we will start from the right hand sides and round down the values less than 5 and round up the values that is more that 5. and their values will be 990000

and 150000.

Read more about rounding up at:

brainly.com/question/28324571

#SPJ1

8 0
1 year ago
If f(x) = x^2 - 3x + 1 over 2, determine f ( 4 ) .
svet-max [94.6K]
F(x)=x^2-3x+1/2, if f(4)
Substitute x with 4, to get
f(x)=x^2-3x+1/2
f(4)=4^2-3(4)+1/2
f(4)=16-12+1/2
f(4)=4+1/2
f(4)=4 1/2 or 4.5. Hope it help!
7 0
3 years ago
An airplane is change in alitude before landing is shown in the table
USPshnik [31]

Answer:

wheres the table can you please provide one

Step-by-step explanation:

7 0
3 years ago
The sum of two and the quotient of a number x and five
Burka [1]
The sum of two and the quotient of a number x and fine.

sum= +

two= 2

quotient= divide

five= 5

2+ x/5 <- should look something like this

I hope this helps!
~kaikers


3 0
3 years ago
Read 2 more answers
How do you solve 3 1/4- 1 7/8 step by step?
Vilka [71]

Answer:

1 3/8.

Step-by-step explanation:

3 1/4 - 1 7/8

First convert to improper fractions:

3 1/4 = (3*4) + 1 / 4 =  13/4.

1 7/8 = (1 *8)+7 / 8 = 15/8. So we have:

13/4 - 15/8

The Lowest Common Multiple of 4 and 8 is 8 so we convert 13/4 to eighth's

13 / 4 = 13*2 / 4 *2 = 26/8

Finally: we have

26/8 - 15/8 = (26 - 15) /8

= 11 /8

= 1 3/8 (answer)

4 0
3 years ago
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