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2 years ago

When you round a number, what should you do with the digits to the right of the place to which you are rounding?

Mathematics

2 answers:

Mazyrski [523]2 years ago

7 0

What are you rounding to? Drop the digits.

kaheart [24]2 years ago

4 0

Depends on what place you are rounding to. you would usually drop them

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Simplify<br> x + x + y x y?

saw5 [17]

Answer: $2x+y^2$

Step-by-step explanation:

$x\:+\:x\:+\:y\:\cdot \:y$

$x+x+yy$

$2x+yy$

$2x+y^2$

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2 years ago

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Help me please please

Wittaler [7]

Answer:

It is right

Step-by-step explanation:

Because the hypotenuse must be greater than all the legs, we have that $17$ is the hypotenuse. So, we want to determine if $8^2+15^2=17^2$ .

$8^2=8*8=64\\15^2=15*15=225\\17^2=17*17=289\\225+64=289\\$

This means the triangle is indeed right!

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2 years ago

Explain how you can find the sign of the product of two or more rational numbers

mr_godi [17]

If the number of positive signs is even and the number of negative signs is odd then it is negative and vice versa. If the number of positive signs is even and the number of negative signs is even then the answer is odd. If the number of positive and negative signs are odd then the answer is always negative.

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2 years ago

I WILL GIVE BRAINLIEST, 5 STARS AND THANKS!!! When an inequality models a practical problem, why might some of the points on the

kramer

Answer:

An inequality often covers an infinite area. Depending on the problem, any area either below or above the function is included in the set of solutions.

For example, see the attached photo.

y < x is graphed here.

When you substitute x = 0 into the function, y will equal 0 and this point is a solution to the problem. However, if any point under this line, such as (1, 0), (-9, 0), or even (1000000000, 0), was chosen, these are still solutions to the inequality, but not the problem.

Step-by-step explanation:

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2 years ago

Rounding in the calculation of monthly interest rates is discouraged. Such rounding can lead to answers different from those pre

scZoUnD [109]

Step-by-step explanation:

Are you using a particular calculator for the class? For this class, is the payment expected to be compounded monthly?

There is a function in Microsoft Excel that will calculate the payment for you, but the answer is going to be slightly different for a business math class than a calculus-based statistics class.

The excel formula to calculate a payment is

=PMT(0.04/12,60,25000,0)

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60 is the number of months

25000 is the current amount owed

0 is the future balance after 60 payments

The answer from Excel is $460.41 -- ignore the negative sign for these purposes.

Multiply that number by the 60 months you pay and you get a total paid of $27,624.78

Remove the initial 25K and $2,624.78 is your interest amount.

By the way, I used the simplifying assumptions that the problem meant "interest rate" when it said "APR", and that the rate would compound monthly. In the actual loan industry, the interest rate is only part of the calculation for APR, a

146.08

Step-by-step explanation:

Let's start by figuring out the payment

effective rate: .035/12= .002916667

\begin{gathered}2000=x\frac{1-(1+.002916667)^{-48}}{.002916667}\\x=44.71\end{gathered}

2000=x

.002916667

1−(1+.002916667)

−48

x=44.71

then it's just

44.71*48-2000=146.08

7 0

2 years ago

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