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dexar [7]
2 years ago
10

Round these numbers to the nearest 1000 a) 45 678 b) 24 055 c) 50 505​

Mathematics
2 answers:
ELEN [110]2 years ago
8 0

Answer:

A. 46,000

B. 24,000

C. 51,000

Step-by-step explanation:

Follow the rule, 5 or over round up.

Cerrena [4.2K]2 years ago
5 0

Answer:

Rounding to the nearest hundred ;

a) 45678 —> 45700

b) 24055 —> 24100

c ) 50505—> 50500

I hope I helped you^_^

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tatyana61 [14]

Answer:

yes you did that correctly

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2 years ago
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Of the marbles in a bag, 4 are yellow, 5 are blue, and 4 are red. Sandra will randomly choose one
Tom [10]

Answer:

where is part b? Part A is 4/13

Step-by-step explanation:

this is because in total there are 13 marbles. and when you pull out a marble. 4 of them can be red. you can simplify that fraction if need be.

3 0
3 years ago
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 16 miles per hou
Verizon [17]
We'll use variables to represent the speeds of the eastbound and westbound trains.

x will represent the speed of the eastbound train.
y will represent the speed of the westbound train.

The eastbound train is 16 mph faster than the westbound train. An equation can be made from this:

x  - y = 16

Subtraction is used, because it represents the difference in distances between the two trains if they travel the same direction.

After 4 hours, the trains are 800 miles apart. An equation can be made from this:

4x + 4y = 800

Addition is used, because the trains are heading in opposite directions, which means their distances from the starting point are added together.

Set the two equations up vertically:

x - y = 16
4x + 4y = 800

We will use elimination to solve for x.

Multiply the entire first equation by 4 so that the coefficients for y will be opposite numbers:

(x - y = 16) \times 4 = 4x - 4y = 64

4x - 4y = 64
4x + 4y = 800

Combine the two equations together to cancel out y:

8x = 864

Divide both sides by 8 to get x by itself:

x = 108

The speed of the eastbound train is 108 mph.
5 0
3 years ago
Y = 4x + 5<br> 2x + y = 17<br><br> Something about substitution to solve a system of an equation
Leto [7]

Answer:

x=2, y=13. (2, 13).

Step-by-step explanation:

y=4x+5

2x+y=17

----------

2x+4x+5=17

6x+5=17

6x=17-5

6x=12

x=12/6

x=2

y=4(2)+5

y=8+5=13

8 0
3 years ago
3x ×?=90 somebody help me please​
Galina-37 [17]

Answer:

30

Step-by-step explanation:

5 0
2 years ago
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