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Murrr4er [49]
4 years ago
14

There are 4000 books in the towns library. Of these 2600 are fiction percent equation

Mathematics
1 answer:
iVinArrow [24]4 years ago
7 0
% = 2600/4000 = 0.65 = 65% fiction
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What is 1/10 of 32 million
viktelen [127]
1/10 of 32 million is 3.2 million.

Because

1/10 x 32,000,000 = 3,200,000
7 0
3 years ago
22 less than the quotient of an unknown number and 35 is -25.
Agata [3.3K]
-22+(x/35)=-25
add 22 to both sides
x/35=-3
multiply both sides by 35 to cleaf raction
x=-105

number was -105
6 0
4 years ago
Blairs new computer cost 5$ less than twice the cost og her old computer. Her new computer cost 709$. how much did blairs old co
Phantasy [73]

The cost of old computer is $ 357

<em><u>Solution:</u></em>

Let "x" be the cost of old computer

From given,

Cost of new computer = $ 709

Blairs new computer cost 5$ less than twice the cost of her old computer

Therefore,

Cost of new computer = twice the cost of old computer - 5

Cost of new computer = 2x - 5

709 = 2x - 5

2x = 709 + 5

2x = 714

Divide both sides by 2

x = 357

Thus the cost of old computer is $ 357

8 0
4 years ago
What is the value of 3/7 x 5/21
larisa86 [58]

Answer:

5/49

Step-by-step explanation:

3/7 x 5/21=15/147=5/49

6 0
3 years ago
Read 2 more answers
Given f(3)=9 and f(5)=28, using the first two terms of the Taylor series, the approximate value of f'(3) is (Keep 4 decimal poin
IrinaK [193]

Answer:

The approximation by Taylor series of f'(3) is 9.5000.

Step-by-step explanation:

Taking the two first terms for Taylor series gives the following expression:

f(x)=f(x_{o})+f'(x_{o})*(x-x_{o})+e

Where e represents the error of the approximation and in this case is of second order. For this particular example, it is no required to calculate.  

Note that in the equation x is the independent variable, in contrast, xo is the value where all the derivatives of the function are calculated and must be defined. Observe that the value for the first derivative in x equal 3 is wanted to know, so xo will be equal 3.

Now to find f'(3) will use the rest of the information that was given:

f(5)=28 (x=5)

Replacing the previous values in the Taylor expansion:

f(5)=f(3)+f'(3)*(5-3)

28=9+f'(3)*(5-3)

Solving the equation:

f'(3)=(28-9)/(5-3)

f'(3)=9.5

f'(3)=9.5000

There was no rounding in the calculated value.

4 0
3 years ago
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