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dmitriy555 [2]
3 years ago
14

A teacher poses this problem: I am thinking of four numbers, a,b,c and d, where a < 0, b < 0, c > 0,and d > 0.What e

lse do you need to know to plot the four numbers in the correct order on a number line? What two questions should you ask? Explain how the answers s would help you plot the numbers on a number line
Mathematics
1 answer:
Natali [406]3 years ago
6 0

Answer:

  1. Is a larger (more positive) than b?
  2. Is c larger (more positive) than d?

Step-by-step explanation:

Since a and b are less than zero, both are negative, but we don't know their order. We need to ask the order of a and b.

Since c and d are greater than zero, both are positive, but we don't know their order. We need to ask the order of c and d.

If you know a < b, then their order left to right on the number line will be a, b. Otherwise, it will be b, a.

If you know c < d, then their order left to right on the number line will be c, d. Otherwise it will be d, c.

Depending on the answers to the questions above, the order will be one of ...

  • a, b, c, d
  • b, a, c, d
  • a, b, d, c
  • b, a, d, c

As you can see, a and b will always be left of c and d.

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Can anyone show me how to divide 931/7
Inessa [10]
(You go from left to right)
(Dividend is 931, divisor is 7)
Step 1: Look for a number smaller than 9 that is divisible by 7. 7 is the only one which is smaller than 9 and is divisible by 7. Now that you know 7*1=7, you put 1 above 931 (Dividend)
 Step 2: You subtract that number from the number in tens place. And bring the leftover down.
Step 3: You repeat Step 1 and 2 until either you get a remainder of 0 or the remainder in smaller than the divisor (in this case 7)
(Therefore 931/7=133, quotient=133, remainder=0)
^Hope this helps.

7 0
3 years ago
A bag contains 50 blue marbles and 66 red marbles. If 88 more red marbles are added to the bag, how many more blue marbles must
vaieri [72.5K]

Answer:

60

Step-by-step explanation:

After adding 88 red marbles, there are 50 blue marbles out of the 204 marbles total.

Let the number of blue marbles to be added be x.

\frac{50+x}{204+x}=\frac{5}{12} \\ \\ 600+12x=1020+5x \\ \\ 420=7x \\ \\ x=60

7 0
1 year ago
Find the surface area of the rectangular prism.<br> 2 km<br> 4 km<br> 7 km<br> HELP !
s2008m [1.1K]

Answer:

100 km squared

Step-by-step explanation:

Front : 14

Back : 14

Top : 28

Bottom : 28

Side : 8

Side : 8

Surface area : 100 km squared

Hope this helps!

3 0
2 years ago
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RSB [31]

The  given pics are your answers... Thank you

8 0
2 years ago
What is the opposite of |-74|?
Svetlanka [38]

Answer:

It's 74

Step-by-step explanation:

It will be positive 74 i.e, +74

3 0
2 years ago
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