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2 years ago

I need help with that

Mathematics

2 answers:

wariber [46]2 years ago

6 0

Answer:

Domain: x $\leq$ 8

Step-by-step explanation:

All real numbers minors than or equal to 8

Hope this helps

polet [3.4K]2 years ago

6 0

The domain of a function is where the function can exist

For the function in part (a), it can only exist where the things inside the square root aren't negative.

The things inside the square root become negative when x is smaller than 8.

Thus the function's domain is [8,∞).

The reason why I put the bracket on the left side is that the domain contains 8.

Hope that helps!

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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

2 years ago

Read 2 more answers

Solve x/10 = -7 A. x = 3 B. x = -0.7 C. x = -17 D. x = -70

timofeeve [1]

Answer:

x = -70

Step-by-step explanation:

x/10 = -7

Multiply each side by 10

x/10*10 = -7*10

x = -70

7 0

3 years ago

V=1/2at^2 solve for t

malfutka [58]

$\dfrac{1}{2}at^2=V\qquad\text{multiply both sides by 2}\\\\at^2=2V\qquad\text{divide both sides by}\ a\neq0\\\\t^2=\dfrac{2V}{a}\to\boxed{t=\sqrt{\dfrac{2V}{a}}}$