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k0ka [10]
3 years ago
8

David has two pet mice. Together , the mice eat 1/2 cup of dry food pellets every week. How much dry food will Davis need to fee

d his mice for one year.
Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Answer:

Davis will need <u>26 cups</u> of dry food to feed his mice for one year.

Step-by-step explanation:

Given:

David has two pet mice. Together , the mice eat 1/2 cup of dry food pellets every week.

Now, to find the quantity of dry food Davis need to feed his mice for one year.

<u>In 1 year there are 52 weeks.</u>

So, as the unit rate of dry food for the mice to eat per week is \frac{1}{2} \ cup\ per\ week.

Now, to get the quantity of food mice need to be feed in 52 weeks, we multiply 52 by \frac{1}{2} cup:

52\times \frac{1}{2} \\\\=\frac{52}{2} \\\\=26\ cups.

<em><u>So, in 1 year mice will need to be feed 26 cups of dry food.</u></em>

Therefore, Davis will need 26 cups of dry food to feed his mice for one year.

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lora16 [44]
Answers:

1.) C - Final exams: midterm = Q3 92 - Q1 80 = 12 and finals = Q3 85 - Q1 78 = 7, so finals exam has the smaller IQR.

2.) B - exam median is much higher than the class median: refer to the attached image of class and exam box and whisker graph

3.) A - <span>IQR is a better measure of spread for movies than it is for basketball games: because the data for movies are quite wide or apart from each other than the data in the basketball games

4.) A - </span><span>mean for April is higher than October's mean: mean in April is 67 and mean in October is 60

5.) A - </span><span>Neither data set has suspected outliers: meaning there's no data that is further apart from the group or set

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7.) C - </span>college spread is best described by the IQR. The high school spread is best described by the standard deviation: this is because of the wide range of data in the college than the data in the high school.

7 0
3 years ago
For the inverse variation equation p = StartFraction 8 Over V EndFraction, what is the value of V when p = one-half?
likoan [24]

Answer:

V=16

Step-by-step explanation:

We are given that an inverse variation

p=\frac{8}{V}

We have to find the value of V when p=1/2

To find the value of V we will substitute the value of p

Substitute the value of p

Then, we get

\frac{1}{2}=\frac{8}{V}

\frac{V}{2}=8

Using multiplication property of equality

V=8\times 2

Using multiplication property of equality

V=16

Hence, the value of V=16

3 0
3 years ago
A department store sold 51 51 shirts one day. All short-sleeved shirts cost $14.00 $ 14.00 each and all long-sleeved shirts cost
Dmitrij [34]

Answer:

28 short-sleeved shirts were sold and 23 long-sleeved shirts were sold.

Step-by-step explanation:

We can solve this question by a system of equations.

I am going to say that:

x is the number of short-sleeved shirts sold.

y is the number of long-sleeved shirts sold.

A department store sold 51 shirts one day.

This means that x + y = 51

All short-sleeved shirts cost $14.00 each and all long-sleeved shirts cost $23.00 each. Total receipts for the day were $921.00.

This means that

14x + 23y = 921

How many of each kind of shirt were sold?

We have to solve the system of equations.

x + y = 51

x = 51 - y

--------------

14x + 23y = 921

14(51 - y) + 23y = 921

714 - 14y + 23y = 921

9y = 207

y = \frac{207}{9}

y = 23

--------

x = 51 - y = 51 - 23 = 28

28 short-sleeved shirts were sold and 23 long-sleeved shirts were sold.

7 0
3 years ago
Write an expression for the calculation add 34 and 6 and then multiply 3
Ymorist [56]

We need to write an expression for "add 34 and 6 and then multiply 3"

"Add" represents + operation .

"multiply" represents × operation.

We need to add 34 and 6.

So, we can write 34+6 and then we need multiply the sum by 3.

So, we need to keep above addition of 34 and 6 in parantehsis. We get

(34+6) × 3.

So, the final expression is  (34+6) × 3.

3 0
3 years ago
Find the value of 7x^2+2x when x=3
frozen [14]

Answer:

69

Step-by-step explanation:

so x2 will give you 9 times 7 which is 63. add it to 2 times 3 which is 63 + 6 will give you 69.

8 0
3 years ago
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