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3 years ago

Evaluate [(40 + 5) − 27] ÷ 9 ⋅ 2

Mathematics

2 answers:

sammy [17]3 years ago

6 0

Answer:

Step-by-step explanation:

[45-27]÷9·2

18÷9·2

2·2

DIA [1.3K]3 years ago

3 0

I believe the answer is 4

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Determine whether the function f(x) -1 / x^2 + x^4 is even odd or neither

kirill [66]

If f(-x) = f(x) then the function is even.

If f(-x) = -f(x) then the function is odd.

We have: $f(x)=\dfrac{-1}{x^2+x^4}$

calculate f(-x):

$f(-x)=\dfrac{-1}{(-x)^2+(-x)^4}=\dfrac{-1}{(-1x)^2+(-1x)^4}\\\\=\dfrac{-1}{(-1)^2x^2+(-1)^4x^4}=\dfrac{-1}{1x^2+1x^4}=\dfrac{-1}{x^2+x^4}=f(x)$

f(-x) = f(x), therefore your answer: The function f(x) is even.

If we have: $f(x)=\dfrac{-1}{x^2}+x^4$

$f(-x)=\dfrac{-1}{(-x)^2}+(-x)^4=\dfrac{-1}{x^2}+x^4$

f(-x) = f(x)

f(x) is even

5 0

3 years ago

You owe $1,000 on a credit card that has an interest rate of 27.99% and make only the minimum payment of $20 each month. Which a

mel-nik [20]

Answer: The credit card will paid off within 10 years, therefore the correct option is D.

Explanation:

Let the number of years in which the credit card will aid of be x.

It is given that amount owed on credit card is $1000 with interest rate 27.99%.

So the amount of interest is calculated as,

$1000\times \frac{27.99}{100} =\$27.9$

The total amount have to pay is,

$\$1000+\$279.9=\$1279.9$

The minimum payment is $20 each month.

$x=\frac{1279.9}{20}$

$x=63.995$

So, the credit card will paid of in 63.995 months. We know that 1 year =12 months.

$\frac{63.995}{12} =5.33$

Therefore, the will paid of in 5.33 years, s we can say that the credit card will paid off within 10 years, therefore the correct option is D.

7 0

3 years ago

Read 2 more answers

Stacy and Katie plan to walk the 27-mile scenic route across Malibu, starting at opposite ends of the route at the same time. If

enot [183]

Answer:

Stacy = 15 mile

Step-by-step explanation:

view attached

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4 years ago

Determine the domain of the following graph:

Rama09 [41]

Answer:

Step-by-step explanation:

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4 years ago

The table shows how much a store charges for certain numbers of pencils.

kirza4 [7]

Answer:

what you mean by maybe!!!!

Step-by-step explanation:

this is the wrong answer its b because you multiply the cost by 4. i=do the same in each equation. and see if it gives you 0.72

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3 years ago