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kogti [31]
3 years ago
14

two companies working together can clear a parcel of land in 9 hours. working alone,it would take company A 3 hours longer to cl

ear the land than it would company B. How long would it take company B to clear the parcel of land alone ( round your answer to the nearest tenth.)​
Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

.33

Step-by-step explanation:

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URGENT!!! 50 POINTS!!! URGENT!!!!!!! Consider the polynomial functions P (x) and Q (x)​ , where neither polynomial is a constant
Nutka1998 [239]

Answer:

Always

Always

Sometimes

Never

Step-by-step explanation:

P(X) + Q(X)

Sum of two polynomials is always a polynomial.

For example, Let P(x) = 3x² and Q(x) = 5x

$ \implies P(x) + Q(x) = 3x² + 5x

This is again a polynomial.

In other words, we can say that Polynomial is closed under addition.

P(x) . Q(x)

Product of two polynomials is again a polynomial.

Let P(x) = 2x and Q(x) = a constant function, 5

Then the product = 10x, is again a polynomial.

Multiplication of two polynomials is closed.

P(x) / Q(x)

This need not always be a polynomial. When Q(x) = a constant function zero, i.e., Q(x) = 0, then the function is not defined.

But let's say P(x) = 5x² and Q(x) = x.

$ \frac{P(x)}{Q(x)} $ = $ \frac{5x^2}{x} $ = 5x, a polynomial.

So, $ \frac{P(x)}{Q(x)} $ is a polynomial sometimes.

We can, say Division is not always closed.

1/Q(x)

This could never be a polynomial. This is not even in the form of a polynomial. So, $ \frac{1}{Q(x)} $ is never a polynomial.

Hence, the answer.

7 0
2 years ago
Micah buys 10 pens for every 2 pencils. Rachel buys 12 pens for every 3
Brrunno [24]

Answer:

no

Step-by-step explanation:

micah

10: 2

5:1

rachel

12: 3

4:1

7 0
2 years ago
Find the missing coordinate to complete the ordered pair.
MA_775_DIABLO [31]
(9,-4) you have to plugin 9 to the equation in the form of x. Then you add 5 and that would be your y value
8 0
3 years ago
Please help will mark brainliest
Lynna [10]
Z^5/8

You can tell this because exponents get added together when multiplying and the fact that the fraction goes down by a multiple of 1/8. 
6 0
3 years ago
Find the value of x in the isosceles triangle shown below.​
dybincka [34]

USING PYTHAGORAS THEORAM,

x²+3²= 5²

x²+9= 25

x²= 25-9 = 16

x= √16

x= 4

OPTION D

6 0
2 years ago
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