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3 years ago

7

Which is NOT an advantage of using a credit card?

2 answers:

Zolol [24]3 years ago

7 0

Answer:

it is C.) Paying interest on your purchase

Step-by-step explanation:

Because i took the test

Lunna [17]3 years ago

3 0

Answer:

paying interest on your purchase

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What scale factor was applied to the first rectangle to get the resulting image?

Lubov Fominskaja [6]

Answer:

.2

Step-by-step explanation:

If you multiply 2.5 x .2 you get .5 meaning .2 is the scale factor

4 0

3 years ago

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What is the are of the trapezoid. Provide Number Only (Hint: Only 3 of the 5 numbers should be used to find your answer and the

nika2105 [10]

Answer: the area is 192

Step-by-step explanation:

because you use the 6 the 4 and the 8.

5 0

3 years ago

A. Use composition to prove whether or not the functions are inverses of each other. B. Express the domain of the compositions u

Kryger [21]

Given: $f(x) = \frac{1}{x-2}$

$g(x) = \frac{2x+1}{x}$

A.)Consider

$f(g(x))= f(\frac{2x+1}{x} )$

$f(\frac{2x+1}{x} )=\frac{1}{(\frac{2x+1}{x})-2}$

$f(\frac{2x+1}{x} )=\frac{1}{\frac{2x+1-2x}{x}}$

$f(\frac{2x+1}{x} )=\frac{x}{1}$

$f(\frac{2x+1}{x} )=1$

Also,

$g(f(x))= g(\frac{1}{x-2} )$

$g(\frac{1}{x-2} )= \frac{2(\frac{1}{x-2}) +1 }{\frac{1}{x-2}}$

$g(\frac{1}{x-2} )= \frac{\frac{2+x-2}{x-2} }{\frac{1}{x-2}}$

$g(\frac{1}{x-2} )= \frac{x }{1}$

$g(\frac{1}{x-2} )= x$

Since, $f(g(x))=g(f(x))=x$

Therefore, both functions are inverses of each other.

B.

For the Composition function $f(g(x)) = f(\frac{2x+1}{x} )=x$

Since, the function $f(g(x))$ is not defined for $x=0$ .

Therefore, the domain is $(-\infty,0)\cup(0,\infty)$

For the Composition function $g(f(x)) =g(\frac{1}{x-2} )=x$

Since, the function $g(f(x))$ is not defined for $x=2$ .

Therefore, the domain is $(-\infty,2)\cup(2,\infty)$

8 0

4 years ago

45÷10? a.45 b 45 c .045 d 4.5

podryga [215]

The anwser to your question is d

4 0

3 years ago

Read 2 more answers

If two of the four expressions x + y, x + 5y, x – y, and 5x – y are chosen at random, what is the probability that their product

storchak [24]

Answer:

1/6

Step-by-step explanation:

The product will only be of the required form if the two chosen factors are of the form (x +by) and (x -by).

For the factor (x+y), there is also a factor (x-y) on the list. For the factor (x+5y), there is no factor (x-5y) available.

So, of the (4·3)/2 = 6 possible ways to choose two expressions from the four given expressions, only one pair of the 6 will have a product of the required form.

The probability is 1/6.

8 0

3 years ago