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blondinia [14]
3 years ago
9

Is 9/27 irrational number

Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0
Yes because 27 divide by 9 is 3 and if you times 9 and 3 you will get 27
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the sum of two consecutive integers is at most the difference between nine times the smaller and five times the larger
Harman [31]

two consecutive integers: x,x+1

x+(x+1) = 9(x) - 5(x+1)

2x+1 = 9x-5x-5

2x+1 = 4x-5

subtract 2x from each side

1 = 2x-5

add 5 to each side

6 = 2x

divide by 2

x=3

the integers are 3 and 4

4 0
4 years ago
A coffee table is on sale for 20% off the original price of $115. If there is a 7.5% sales tax, what is the final price of the c
laiz [17]

The sale price of the table = 115 x 0.80 = $92

The total price including the tax = 92 x 1.075 = $98.90

Answer = $98.90

8 0
3 years ago
Read 2 more answers
Divide the following polynomials and then complete the quotient. Write your answer in order of decreasing powers of x.
NikAS [45]
The easiest way to do this is to put each term in the numerator over the denominator and do the division/reducing for each one.  Like this: \frac{10 x^{6} }{5 x^{2} } + \frac{20 x^{4} }{5 x^{2} } - \frac{15 x^{2} }{5 x^{2} }.  The first term reduces to 2 x^{4}, the second to 4 x^{2}, and the third to 3.  Putting them all together with the signs in between we have 2 x^{4} +4 x^{2} -3
8 0
3 years ago
1. A newspaper headline claims: "Apple spends far less on Research & Development
aleksklad [387]

Answer:

Step-by-step explanation:

a)

The mistaken assumption is that Apple spends "far less" on Research and Development than any of its rivals.

b)

The assumption is incorrect because it took cognizance of the percentage used, and not the actual money spent. In truth, Apple generates far more income than the other two rivals. With Apple generating over $100bn in the said time span, and Google generating $37bn. At the end of the day, Apple spends $2.1bn on Research and Development, while Google spends $5.3bn on the same. This is quite close than the quoted distance of 14% - 2%

c)

Yes, I think so. But only when the 3 companies generate almost the same revenue.

5 0
3 years ago
You start driving north for 3 miles, turn right, and drive east for another 4 miles. At the end of driving, what is your straigh
nalin [4]

The straight line distance is 5 miles from starting point.

Step-by-step explanation:

Driving 3 miles north and 4 miles east and then the straight line distance will form a right angled triangle.

Where;

One leg =  a = 3 miles

Other leg = b = 4 miles

Hypotenuse = c

Using Pythagoras theorem;

a^2+b^2=c^2\\(3)^2+(4)^2=c^2\\9+16=c^2\\c^2=25

Taking square root on both sides

\sqrt{c^2}=\sqrt{25}\\c=5

The straight line distance is 5 miles from starting point.

6 0
3 years ago
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