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Sloan [31]
3 years ago
5

If c(x)=5/x-2 and d(x)=x+3, what is the domain of (cd)(x)?

Mathematics
1 answer:
pickupchik [31]3 years ago
3 0

Answer:

The domain is all Real x except x = 2 .

Step-by-step explanation:

(cd)(x) = ( 5 / x-2) * x+3

=  5(x+3)/(x-2)

The domain is all Real x except x = 2 .

(because when x = 2 (cd)(x) is undefined).

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If one root of the equation is 4x^2- 2x+p-4 be the reciprocal of other. then find the value of p​
SashulF [63]

Answer:

p = 8

Step-by-step explanation:

Let one root of the eqn. be alpha . Other root is 1/alpha .

We know that product of both roots of an quadratic eqn. is c/a where "c" is the co-efficient of the constant  & "a" is the co-efficient of x^2.

Here "c" is p-4 & "a" is 4. And the product of roots is 1 ( ∵ prdouct of a number and its reciprocal is 1 )

\frac{c}{a} = 1\\=> \frac{p - 4}{4} = 1\\=> p - 4 = 4\\=> p = 4 + 4 = 8

5 0
3 years ago
Zero is a solution for which inequality?
Helen [10]

Step-by-step explanation:

0 is right in the middle of all negative and all positive numbers.

0 is therefore larger than any negative number and smaller than any positive number.

and 0×n = 0, always, no matter what n is.

-0 = +0 = 0.

so, of course, only

4.1m > -16.4

is correct.

0 is not greater than 16.4.

0 is not smaller than -16.4.

8 0
2 years ago
When you multiply 3 1/4 by a number greater than one how does the product compared to 3 1/4
vivado [14]
When you multiply 3 1/4 by a number greater than one, you will get the answer greater than 3 1/4. 
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3 years ago
A test has thirty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice
Masteriza [31]
When i divided and got the answer it was 12R4 R=Remainder
8 0
3 years ago
Solve for p.<br><br> 7+p+9=17<br><br> Enter your answer in the box.
Dovator [93]

First combine like terms.

7+9=16

16+p=17

Subtract 16 from both sides of the equation.

16-16+p=17-16

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You can check to see if the solution is true by substituting 1 into the original equation.

7+1+9=17

17=17

4 0
3 years ago
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