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2 years ago

13)

Mathematics

1 answer:

Law Incorporation [45]2 years ago

5 0

The Domain (x-values and independent variable) would be the time of day

The Range (y-values and dependent variable) would be the amount of people in a movie theater

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Four students sold lemonade after school. They had five $5 bills, two $10 bills, seven $1 bills and four dimes. They split the m

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3 years ago

Whats #2 because i dont understand

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3 years ago

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A phone store employee earns a salary of $450 per week plus 10% comission on her weekly sales. A) What function rule models the

Gelneren [198K]

Answer:

A) $E(w)=450+0.10w$

B) $1200

Step-by-step explanation:

Let w represent employee's weekly sales and $E(w)$ be total weekly earnings.

We have been given that a phone store employee earns a salary of $450 per week plus 10% commission on her weekly sales.

A) The total weekly earnings of employee would be weekly salary plus 10% of weekly sales.

10% of weekly sales, w, would be $\frac{10}{100}*w=0.10w$

$E(w)=450+0.10w$

Therefore, the function $E(w)=450+0.10w$ models the employee's weekly earnings.

B) To find the weekly sales in the week, when employee earned $570, we will substitute $E(w)=570$ in our formula and solve for w as:

$570=450+0.10w$

$570-450=450-450+0.10w$

$120=0.10w$

$0.10w=120$

$\frac{0.10w}{0.10}=\frac{120}{0.10}$

$x=1200$

Therefore, the amount of employee's weekly sales was $1200.

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3 years ago

Krystal bought a refrigerator from a rental center for $1,050. She makes 16 monthly payments of $112.75 with her credit card. Th

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The total cost of the refrigerator was $1,824

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Which expression is equivalent to

rodikova [14]

Step-by-step explanation:

$\log_{12}\left(\dfrac{\frac{1}{2}}{8w}\right)=\log_{12}\left(\dfrac{1}{16w}\right)\qquad\text{use}\ a^{-1}=\dfrac{1}{a}\\\\=\log_{12}(16w)^{-1}\qquad\text{use}\ \log_ab^n=n\log_ab\\\\=-1\log_{12}(16w)\qquad\text{use}\ \log_a(bc)=\log_ab+\log_ac\\\\=-\left(\log_{12}16+\log_{12}w\right)=-\log_{12}2^4-\log_{12}w\qquad\text{use}\ \log_ab^n=n\log_ab\\\\=-4\log_{12}2-\log_{12}w$

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3 years ago