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3 years ago

8

What is a unit rate

1 answer:

fenix001 [56]3 years ago

6 0

Here is an example: If you go 100 miles every 2 hours, what is the unit rate? The unit rate would be 50 miles. Here is all you have to do. You divide (in my case) miles by (in my case) 2 hours, which equals 50 miles. Does that help?

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For what value of C will y = sin(x - C) be an even function?<br> a. 2π<br> b. π<br> c. π/2

telo118 [61]

Answer:

you are actually incorrect the answer is 2π

3 0

3 years ago

Read 2 more answers

Wilma earns $9 per hour at her job. Then she spent $15 on a birthday gift for her best friend. Write an expression to represent

frozen [14]

Answer:

Wilma has $12.

Step-by-step explanation:

Since we don't know how many hours she worked, we know that Wilma earned 9x dollars at her job. Then she spends $15, so we can just subtract 15 from 9x.

$9x-15$

We can just replace the x with 3 to get:

$27-15\\12$

Hence, Wilma has $12.

3 0

3 years ago

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A contractor estimates $2,400 to build a deck to a customer’s specifications, How much would it cost to build five similar decks

Bumek [7]

5*2400=$12,000 is the total costs for 5 decks costing $2,400 each.

3 0

3 years ago

The mathematics department of a college has 6 male professors, 9 female professors, 5 male teaching assistants, and 6 female tea

Hitman42 [59]

Given:

6 male professores

9 female professores

5 male teaching assistants

6 female teaching assistants

Sol:.

$N(A\text{ or B)=N(A)+N(B)-N(A and B)}$

N (professors)

$\begin{gathered} =6+9 \\ =15 \end{gathered}$

N(Male)

$\begin{gathered} =6+5 \\ =11 \end{gathered}$

N(professors and male)

$=6$

N(professors OR male) = N(professors) + N(males) -N(professor OR male)

$\begin{gathered} N(\text{ Professors OR male)=15+11-6} \\ =20 \end{gathered}$

N(People to choose from)

$\begin{gathered} =6+9+5+6 \\ =26 \end{gathered}$

Then probablitiy is:

$\begin{gathered} =\frac{20}{26} \\ =\frac{10}{13} \end{gathered}$

Then the probability is 10/13

6 0

1 year ago

The sevth term of a geometric sequence is 108 the eight term is 36 find the common ratio

ValentinkaMS [17]

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>

$\sf t_8=108 \\ \sf t_7=36$

Common difference=d

${:}\longrightarrow$ $\sf d=t_8-t_7$

${:}\longrightarrow$ $\sf d=108-36$

${:}\longrightarrow$ $\sf d=72$

7 0

3 years ago