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vivado [14]
3 years ago
7

Two fifths of the children in the nursery were boys. What was the ratio of boys to girls in the nursery?

Mathematics
1 answer:
Shtirlitz [24]3 years ago
6 0
The answer would be 2:3
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Nour drove from the Dead Sea up to Amman and her altitude was 409 meters below sea level. When she arrived in Amman 2 hours late
kozerog [31]

Answer:

y=  704.5x - 409

Step-by-step explanation:

Complete question is : . Complete the equation for the relationship between the altitude and number of hours.

SOLUTION

By plotting altitude on y-axis and time or duration of travel on x-axis of the graph, we will have the the location of Nour at t = 0 will be represented by (0, -409)

when t = 2 hours location points will be  at (2, 1000).

As you know, at a constant rate her altitude is increasing , we will have a linear graph with equation y = mx + b --> eq(1)

Slope of the line is given by:

m= (y-y') / (x-x') => (1000+409)/(2-0)

m= 704.5

y-intercept 'b' is -409

Therefore, the eq(1) will become

(1)=> y=  704.5x - 409

Where, 'y' represents Nour's altitude(in meters) relative to sea level after 'x' hours

6 0
3 years ago
Nick rolls a fair dice 126 times.<br> How many times would Nick expect to roll an odd number?
Slav-nsk [51]

Answer: Answer:

UNDEFINED

Step-by-step explanation:

It is fate you can’t calculate what the dice will land on.

7 0
3 years ago
Is 45 greater than 451/2
slava [35]

Answer:

No, it is not

Step-by-step explanation:

In order to compare the two numbers, start by simplifying 451/2

451 ÷ 2 = 225 R1

452/2 = 225 1/2

225 1/2 _ 45

225 1/2 > 45

5 0
3 years ago
Read 2 more answers
Find the factored form of this trinomial.<br> b2 - 11b - 12
Levart [38]

Answer:

( b + 1 ) ( b - 12 )

3 0
2 years ago
Which of the following is not a US customary unit of volume?
zubka84 [21]
A pound is a unit of weight, not volume.
Good luck!
7 0
3 years ago
Read 2 more answers
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