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2 years ago

Which equation represents the function graphed on the

Mathematics

1 answer:

Pavel [41]2 years ago

8 0

Answer:

Step-by-step explanation:

sorry im late

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pencils are in packages of 10. Erasers come in packages of 12. Phillip wants to purchase the smallest number of pencils and eras

Sonja [21]

The smallest number of pencils and erasers and 1 eraser per pencil so number of pencils and erasers are equal
*GCD( 12;10) = 60
So Philip buy 60÷12=5 packages of erasers
60÷10=6 packaes of pencils

8 0

2 years ago

How many edges does a solid with 11 faces and 11 vertices have?

Rzqust [24]

Answer:

Step-by-step explanation:

Given: F = 11, C = 11, E=?

By Euler's formula, we have:

$F + V - E = 2 \\ \therefore \: 11 + 11 - E = 2 \\ \therefore \:22 - E = 2 \\ \therefore \:22 - 2 = E \\ \huge \red{ \boxed{\therefore \: E = 20}}$

Hence, the solid will have 20 edges.

8 0

2 years ago

The bar graph to the right shows the average number of hours that people sleep per day by age group use this information to comp

aleksklad [387]

We must write the relation between the age and the average number of hours slept as a set of ordered pairs.

Notice that the average number of hours slept by age is the following:

$\begin{gathered} 17\text{ years}\rightarrow9.4\text{ hours} \\ 22\text{ years}\rightarrow9.2\text{ hours} \\ 35\text{ years}\rightarrow8.8\text{ hours} \\ 45\text{ years}\rightarrow8.9\text{ hours} \\ 55\text{ years}\rightarrow8.5\text{ hours} \\ 65\text{ years}\rightarrow8.2\text{ hours} \end{gathered}$

To write the function as a set of ordered pairs, use the data from the domain (years) and from the range (hours) to form ordered pairs as (years,hours).

Then, the function as a set of ordered pairs is:

$\mleft\lbrace(17,9.4\mright),(22,9.2),(35,8.8),(45,8.9),(55,8.5),(65,8.2)\}$

8 0

1 year ago

2. At 2:30 am the temperature in New York is 3F. The temperature drops 3/4 of a degree in 30

Usimov [2.4K]

Answer:

2.25 F

Step-by-step explanation:

I subtracted 3/4 from 3.

Hope this helped.

-Pepsi

8 0

2 years ago

A certain investment had a doubling time of 13 years. If the price of the investment was $220 in 2004, when was the price $1

Sindrei [870]

Assuming $220 is also a doubled price, $110 would have been the price during the year 2003.

4 0

2 years ago