2 years ago

Which expression is equivalent to the following complex fraction?

Mathematics

1 answer:

blagie [28]2 years ago

7 0

Answer:

The correct choice is option B. y+1/y-1

Step-by-step explanation:

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Jacks average in math for the first nine weeks was an 88 . His second nine weeks average decreased 12.5% what was his average fo

ikadub [295]

10% of 88 = 8.8

2.5% of 88 = 2.2

2.2 + 8.8 = 11

88 - 11 = 77

7 0

2 years ago

Read 2 more answers

Suppose the man in the St. Ives poem has x wives, each wife has x sacks, each sack has x cats, and each cat has x kits. Write an

marishachu [46]

Answer: $x+x^2+x^3+x^4$

Step-by-step explanation:

As per given,

Number of wives = $x$

Number of sacks = $x (\text{Number of wives} )= x\times x = x^2$

Number of cats = $x(\text{Number of sack})$ $= x \times x^2=x^3$

Number of kits = $x(\text{Number of cats} )=x\times x^3=x^4$

Now , the total number of kits, cats, sacks, and wives going to St. Ives = $x+x^2+x^3+x^4$

Hence, the required ex[pression: $x+x^2+x^3+x^4$

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2 years ago

Evaluate the expression: 10P3

anyanavicka [17]

Answer:

720

Step-by-step explanation:

nPk = n!/(n-k)!

10P3 = 10!/(10-3)! = 10!/7!

= 10·9·8 = 720

4 0

2 years ago

How do you find out if a decimal is terminating or repeating?

leva [86]

Answer:

A terminating decimal, terminates, or stops. For example: 1.5. A repeating decimal keeps repeating itself. For example: .999999999999 (and so on). Hope I helped!

Step-by-step explanation:

7 0

2 years ago

PJ will begin her cake deliveries at 12:20 . She asked to remind her 30 minutes before she has to leave. What time should I remi

mojhsa [17]

Answer:

At 11:50

Step-by-step explanation:

1. Subtract the hours and the minutes separately

12: 20

- 0: 30

12: -10

2. If the minutes are negative, subtract 1 from the hours and add 60 to the minutes.

12: -10

- 1: + 60

11: 50

You should remind PJ about her deliveries at 11:50.

4 0

2 years ago