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3 years ago

Please help don't guess

Mathematics

2 answers:

Aloiza [94]3 years ago

5 0

Remark

I think you can only do this either as a 2 step question or as a proportion. The easiest way is the proportion.

Proportion

6 hours / 52.50 = 11/x Cross multiply

6*x = 52.50 * 11 Combine the factors on the right

6x = 577.5 Divide both sides by 6

6x/6 = 577.5/6

x = 96.25 Answer

12345 [234]3 years ago

3 0

So, just divide:

52.50 / 6 = 8.75

This means that she earns $8.75 an hour.

If this is her hourly salary, then multiply 8.75 x 11

8.75 x 11 = 96.25

So, if Paula works for 11 hours, she will earn $96.25!

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What is the additive inverse of the polynomial?<br> -7y^2+x^2y-3xy-7x^

gogolik [260]

The additive inverse of the polynomial $- 7{y^2} + {x^2}y - 3xy - 7{x^2}$ is $\boxed{7{y^2} - {x^2}y + 3xy + 7{x^2}{\text{ or }} - \left( { - 7{y^2} + {x^2}y - 3xy - 7{x^2}} \right)}.$

Further explanation:

Given:

The polynomial is $- 7{x^2} + {x^2}y - 3xy - 7{x^2}.$

Explanation:

The given polynomial is $- 7{y^2} + {x^2}y - 3xy - 7{x^2}.$

The additive inverse can be defined as when we add a number to some number and get result as zero.

The value of additive inverse is same as of the number but the sign of the additive inverse is opposite.

The additive inverse of the polynomial can be expressed as follows,

$\begin{aligned}A&= - 7{y^2} + {x^2}y - 3xy - 7{x^2} + \left( {7{y^2} - {x^2} + 3xy + 7{x^2}} \right)\\&= - 7{y^2} + 7{y^2} + {x^2}y - {x^2}y - 3xy + 3xy - 7{x^2} + 7{x^2}\\&= 0\\\end{aligned}$

The additive inverse of the polynomial $- 7{y^2} + {x^2}y - 3xy - 7{x^2}$ is $\boxed{7{y^2} - {x^2}y + 3xy + 7{x^2}{\text{ or }} - \left( { - 7{y^2} + {x^2}y - 3xy - 7{x^2}} \right)}.$

Learn more:

Learn more about inverse of the function brainly.com/question/1632445.
Learn more about equation of circle brainly.com/question/1506955.
Learn more about range and domain of the function brainly.com/question/3412497.

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Polynomial

Keywords: roots, prime polynomial, linear equation, quadratic equation, zeros, function, polynomial, solution, cubic function, degree of the function.

4 0

3 years ago

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The following formula is used to calculate the monthly payment on a personal loan. P = P V times StartFraction i over 1 minus (1

blondinia [14]

The number of periods over which interest is calculated on the loan.

We have to determine

The following formula is used to calculate the monthly payment on a personal loan.

<h3>What is the formula used to calculate monthly payments?</h3>

The formula used to calculate monthly payments are as follows;

$\rm P = PV \times \dfrac{i}{1-(i+1)^{-n}}$

Where,

1. PV is the present value or the amount of the loan.

2. i is the interest rate per period and is calculated by dividing the yearly percent rate by 100 and by the number of periods in a year.

3. n is the total number of periods and is calculated as the product of the number of periods in a year times the number of years.

Hence, the number of periods over which interest is calculated on the loan.

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2 years ago

How do you add fractions wiyh improper fractions

iris [78.8K]

You add them the same way you do with proper fractions. Make sure they have common denominators and add the numerators.

Example:

$\frac{3}{2} + \frac{4}{3}$

$\frac{3*3}{2*3} + \frac{4*2}{3*2}$

$\frac{9}{6} + \frac{8}{6}$

$\frac{9+8}{6}$

$\frac{17}{6}$

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4 years ago

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Please answer this asap!

AURORKA [14]

Answer:

3/4=75%

Step-by-step explanation:

the prob is the shaded area divided by the full Rect area

the Rect area is 3*2, and the shaded area is 3*2-1*1.5=4.5

such that the probability is 4.5/6=3/4

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3 years ago

To help explain or predict the response variable in every regression study, we use one or more explanatory variables. These vari

Simora [160]

Answer:

The correct answer is False.

Step-by-step explanation:

To help explain or predict the response variable in every regression study, we use one or more explanatory variables. These variables are also called response variables or dependent variables.

The risk factors and confounders involved are called predictor or independent variables.

These definitions are a part of regression analysis which is a technique to asses the relationship between one or more risk factors and a particular outcome variable.

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4 years ago