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saw5 [17]
2 years ago
15

The school principal is designing a square courtyard outside of school, separated into 4 equal spaces. She wants to know the tot

al area of the courtyard. S = length (ft) of one wide of each space. Which expression shows the total area of the courtyard.
Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
4 0

Answer:

A=S1+S2+S3+S4

Step-by-step explanation:

A=4(l*w)ft

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Draw a bar model that shows how the number of hours in March compares with the number of hours in February of this year.
gogolik [260]
Okay so first we need to find how many days are in March and February. March has 31 days and because this year was a leap year February has 29 days.

The next step is to convert days to hours.
March: 31x24=744
February: 29x24=696

Now its time to graph

8 0
2 years ago
Read 2 more answers
Suppose c and d vary inversely, and d = 2 when c = 17.
balu736 [363]

Answer:

c = 34/d

d = 1/2

Step-by-step explanation:

Part A

Basic Formula

c = k/d

17 = k/2         Multiply both sides by 2

17*2 = k*2/2     Combine

34 = k

So the equation is c = 34/d

Part B

c = 68

k = 34

d = ?

68 = 34/d               Multiply both sides by d

68*d = 34 * d/d      Simplify.

68 d = 34                Divide by 68

d = 34/68                Simplify

d = 1/2

5 0
2 years ago
Oscar and Kim have $22.00 each to spend at a book fair, where all students receive a 30% discount. They both want to purchase a
ziro4ka [17]
They are both correct in their computation

(28.5-28.5(.3))+.1(28.5-28.5(.3))=$21.945

28.5(.7)(1.1)=$21.945

And since they each have $22 to spend, they have enough to purchase the book.
5 0
2 years ago
Read 2 more answers
A hand of 5-card draw poker is a simple random sample from the standard deck of 52 cards. How many 5 draw poker hands are there?
kupik [55]

Answer:

There are 2,598,960 5 draw poker hands are there.

There are 311,875,200 5-stud poker hands.

Step-by-step explanation:

When the order is not important, we use the combinations formula:

For example, eating an apple and an orange is the same as eating an orange and an apple.

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

When the order is important, we use the permutations formula:

For example, a 3 digit credit card password, 123 is different than 213.

The number of possible permutations of x elements from a set of n elements is given by the following formula:

P_{(n,x)} = \frac{n!}{(n-x)!)}

A hand of 5-card draw poker is a simple random sample from the standard deck of 52 cards. How many 5 draw poker hands are there?

Here, the ordering is not important, so we use the combinations formula.

C_{52,5} = \frac{52!}{5!47!} = 2598960

There are 2,598,960 5 draw poker hands are there.

In 5-card stud poker, the cards are dealt sequentially and the order of appearance is important. How many 5-stud poker hands are there?

The ordering is important, so we use the combinations formula.

P_{(52,5} = \frac{52!}{47!)} = 311875200

There are 311,875,200 5-stud poker hands.

7 0
2 years ago
A 5 lb cat needs 12mg/kg thiopental. How much 2.5% thiopental will you need to draw up? A. 10.8 mL B. 1.08 mL C. 108 mL D. 18 mL
wlad13 [49]
B. 1.08mL

1 lb = 2.2 kg

5 lb = 2.27 kg

2.27kg   ×  12mg   = 27.24 mg

Divide 27.42 mg by 2.5    = 10.896mg

Now change the mg to mL

10.896   ÷ 10  = 1.0896 
6 0
2 years ago
Read 2 more answers
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