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Alborosie
3 years ago
11

le" class="latex-formula">
Mathematics
1 answer:
Ann [662]3 years ago
5 0
The answer really depends on what b is. Unless you give me a number for what b equals I can’t solve it.
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1.48 to 2 decimal places

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2 years ago
It takes Benjamin 28 minutes to mow 2 lawns. Assuming the lawns are the same size and Benjamin works at the same speed, about ho
podryga [215]

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70

Step-by-step explanation:

28 b y 2 14 times 5

3 0
3 years ago
Sam and Mary collect marbles. “If you give me 5 marbles I’ll have twice as many as you.” said Sam to Mary.
ivann1987 [24]

Answer:

54 marbles

Step-by-step explanation:

The question is a word problem leading to a simultaneous equation

Let 'x' represent the initial number of marbles with Sam, and let 'y' represent the initial number of marbles with Mary,

If Mary gives Sam 5 marbles, we have;

x + 5 = 2 × (y - 5)...(1)

If Sam gives Mary 4 marbles, we get;

x - 4 = y + 4...(2)

From equation (1), we get;

x + 5 = 2 × (y - 5) = 2·y - 10

x = 2·y - 10 - 5 = 2·y - 15

x = 2·y - 15...(3)

From equation (2), we have;

x - 4 = y + 4

∴ x = y + 4 + 4 = y + 8

x = y + 8...(4)

Equating the two values of 'x' in equation (3), and equation (4), we get;

2·y - 15 = y + 8

2·y - y = 8 + 15 = 23

∴ y = 23

From equation (4), we get;

x = y + 8 = 23 + 8 = 31

x = 31

The total number of marbles they have altogether = x + y

However, x + y = 23 + 31 = 54

Therefore;

The total number of marbles they have altogether = 54 marbles.

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3 years ago
Nine million ninety thousand nine hundred and ninety-nine ten-thousandths
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9,090,900.0099 is the answer.
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How much greater is the 5 in the hundreds place than the 5 in the tens place
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The five in the hundreds place is 10 times grater than the five in the tenths place 
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