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podryga [215]
3 years ago
6

A security guard uses 20 minutes of every hour to walk outside the school, leaving the remaining

Mathematics
1 answer:
Troyanec [42]3 years ago
6 0

Answer:

40/20, 40:20, 40 to 20

Step-by-step explanation:

20min/1hr

40min/1hr

Question order asks ratio from outside time to inside time so the 40 would come first. also, all the above are correct. You can write a ratio as a fraction, with a colon, or with the word to.

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Can anyone help me on the last question?
Novosadov [1.4K]

Answer:

<h2>           0.7</h2>

Step-by-step explanation:

A' is everything what is not A

So:

    A' = {9, 10, 11, 12, 13, 15, 16}

Number of ways it can happen: |A'| = 7

Total number of outcomes: |Ω| = 10

Probability of an event happening:

                                         \bold{P(A')=\dfrac{|A'|}{|\Omega|}=\dfrac7{10}=0.7}

8 0
3 years ago
If veronica reed is paid a gross weekly salary of $1036.00, what is her gross annual salary?
Ber [7]
So, (weekly) she receives 1036.00.
The question is asking to find out the (annual) salary which is a year.
There are about 52 weeks in a year.
To find the amount being payed annually we multiply 1036 by 52
=53,872.
3 0
3 years ago
Please help me outtttttttttt
Evgen [1.6K]

Answer:

is correct

Step-by-step explanation:

1/12

3 0
2 years ago
Ryan is X years old. Two times his age plus fifteen equals thirty-seven minus two. ( 2X + 15=37 - 2) Write an equation showing h
Misha Larkins [42]

Answer:

1) 10

2) 16

Step-by-step explanation:

1) 2x+15=37-2

2x+15=35

2x=35-15

2x=20

2 2

x=10

2)10x-8=9x+8

10x-9x=8+8

x=16

Hope this helps ❤

3 0
3 years ago
A square is always an example of a: I. rectangle II. rhombus III. parallelogram I I, II, and III none of these II
Igoryamba
It's always a Parallelogram
4 0
3 years ago
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