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DIA [1.3K]
3 years ago
13

What is the value of z?

Mathematics
1 answer:
zlopas [31]3 years ago
3 0

Answer:

Step-by-step explanation:

The value of the z-score tells you how many standard deviations you are away from the mean. ... A positive z-score indicates the raw score is higher than the mean average. For example, if a z-score is equal to +1, it is 1 standard deviation above the mean. A negative z-score reveals the raw score is below the mean average

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Is a negative and a positive equal a negative or positive in mutiplication
ZanzabumX [31]
If you multiply a negative number by a positive number, you get a negative product. if you were to multiply two positive or two negative numbers, you'd get positive products.
8 0
3 years ago
Fred Salmon purchased six $1,000 bonds at 92. The bonds pay 6.5%. What was the cost of the bonds? What was the total annual inte
Hunter-Best [27]
What is the cost of the bond?
When you see that a bond was purchased "at 92", this means that the bond was purchased for 92% of the face value. Sometimes the bond purchaser will pay more than the face value (purchased a number greater than 100), generally if the interest rate is higher than the market rate. 

The cost of one bond, then, is 92% of 1,000, or $920.
Since there are 6 bonds, the total cost is 920 x 6 = $5520

What is the total annual interest?
The annual interest is the interest rate on the bond times the face value (not the cost of the bond).
The interest rate is 6.5%, so the annual interest on one bond is:
6.5% x 1000 = $65
6 bonds: $65 x 6 = $390

When we think of yield, we want to consider the real return on the bond. This is the annual interest earned divided by what the purchaser paid for it.
The purchaser paid $5520 for the bonds, and is earning $390.
390 ÷ 5520 = 7.06%.
Note that we can also calculate the return on one bond, rather than the total cost and interest of 6 bonds, and get the same result.
65 ÷ 920 = 7.06%
4 0
3 years ago
Read 2 more answers
30 POINTS: There are 80 seats on a train. 25% of the seats are empty. How many empty seats are there on the train?
dimulka [17.4K]
The Are 20 Empty Seats
Hope This Helps!

4 0
3 years ago
Read 2 more answers
Can someone please help me
Musya8 [376]

Answer: SAS

Step-by-step explanation:

AC = AC (reflexive property)

So we know that AC = AC

Angle 1 = Angle 2 (given)

And AC = BC (given)

They are similar by SAS

4 0
2 years ago
For the following geometric sequence find the recursive formula and the 5th term in the sequence. In your final answer, explain.
VashaNatasha [74]

you have to multiply by -3

so the answers are going to be one negative one positive

and the next 5th terms are 108,-324,972,-2916,8748


7 0
3 years ago
Read 2 more answers
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