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Jet001 [13]
3 years ago
9

A normal distribution of scores has a standard deviation of 10. Find the z-scores

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

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tickets to a play cost $10 for members and $24 for non-members write an expression to find the total cost of 4 Non member ticket
dimaraw [331]
Total cost= (24 times 4)+(10 times 2) 
                            96     +      20 = 116 

cost: $116
                                            

3 0
3 years ago
Read 2 more answers
Please help!!! I'm super confused with this one, show work so that I can figure out what I did wrong.
givi [52]

Answer: The length of CU is 117 units.


Step-by-step explanation:

Given: ΔWCD≈ΔWUV

We know that if two triangles are similar, then their corresponding sides are proportional.

∴ \frac{WU}{WC}=\frac{WV}{WD}

\frac{36x-1}{26}=\frac{110}{20}\\\Rightarrow\ 36x-1=\frac{11}{2}\times26\\\Rightarrow36x-1=143\\\Rightarrow\ 36x=143+1\\\Rightarrow\ 36x=144\\\Rightarrow\ x=4

∴ WU=36(4)-1=143

Also , WU=WC+CU

⇒CU=WU-WC

⇒CU=143-26=117 units

5 0
3 years ago
Suppose that fund-raisers at a university call recent graduates to request donations for campus outreach programs. They report t
Flura [38]

Answer:

Following are the solution to the given points:

Step-by-step explanation:

In point a:

It's also expected that approximately 1000 \times  0.40 =400 of both, the students contribute zero, approximately 1000 \times 0.30 =300 to donors $10, approximately 1000 \times  0.25 = 250 donors $25, and then about 1000 \times 0.05 = 500 dollars $50 donors. Its frequencies would be similar to and not precisely, the probability. The four levels will stack up to a thousand.

In point b:

It is the population, in which the key value of x is a $0 donation ( 40 percent of students do this).

In point c:

\to P(X \geq 25) \\\\\to 0.25+0.05 \\\\\to  0.30

In point d:

\to P(X>0)\\\\ \to 1-P(X=0)\\\\ \to 1- 0.40\\\\\to 0.60\\\\

5 0
3 years ago
A quilt design uses parallelogram-shaped pieces that have a base measure of 4 inches and a height of 6 inches. If 15 pieces are
Svetradugi [14.3K]
The area of the parallelogram is:
 A = b * h
 Where,
 b: base
 h: height
 Substituting we have:
 A = (4) * (6)
 A = 24
 For 15 parallelograms we have:
 At = 15 * A
 At = 15 * 24
 At = 360 in ^ 2
 Answer:
 
The total area of the parallelogram-shaped pieces in the quilt is:
 
B. 360 in ^ 2
6 0
3 years ago
PLEASE ANSWER!!!!!!!! 
gregori [183]

Answer:

$5.24

Step-by-step explanation:

First, we need to find how many of each coin type we have. For pennies and dimes, we can take the percentage and divide by two for the number of coins.

18 / 2 = 9 pennies

36 / 2 = 18 dimes

We also know that there are three more nickels than there are dimes.

9 + 3 = 12 nickels

We can subtract the total number of nickels, pennies, and dimes from the total number of coins to get the number of quarters.

50 - 39 = 11 quarters

Then, we do the math to find the value.

9 x 0.01 = 0.09

18 x 0.10 = 1.80

12 x 0.05 = 0.60

11 x 0.25 = 2.75

2.75 + 1.80 + 0.60 + 0.09 = $5.24

4 0
3 years ago
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