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andrew11 [14]
3 years ago
7

Lucinda buys 2,4 metres of curtain material that is priced at $6.99 per metre.

Mathematics
2 answers:
Eduardwww [97]3 years ago
4 0

Answer:

$16.77

Step-by-step explanation:

6.99*2.4=16.776

8_murik_8 [283]3 years ago
4 0

Answer:

16.776

Step-by-step explanation:

I think 2.4x6. 99

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mart [117]
The 16 oz bottle costs less. One cent less, to be exact. I came up with this by dividing the total cost (2.40) by the size of the bottle (16). I came up with .15. I did the same with the other cost and size, coming up with .16.
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3 years ago
There are 30 coins all dimes and quarters on the table worth
nignag [31]

Answer:

We can set up a system of equations.

x + y = 111

0.25x + 0.10y = 18.30

x + y = 111

Subtract 'y' to both sides:

x = -y + 111

Plug in '-y + 111' for 'x' in the 2nd equation:

0.25(-y + 111) + 0.10y = 18.30

Distribute 0.25 into the parenthesis:

-0.25y + 27.75 + 0.10y = 18.30

Combine like terms:

-0.15y + 27.75 = 18.30

Subtract 27.75 to both sides:

-0.15y = -9.45

Divide -0.15 to both sides:

y = 63

Plug this back into any of the two equations to find the 'x' value.

x + y = 111

x + 63 = 111

Subtract 63 to both sides:

x = 48

So there are 48 quarters and 63 dimes.

Step-by-step explanation:

Hope This Helps!

3 0
3 years ago
If x=1 y= -1, a= -2, b=3, then value of ax+by is_____
Thepotemich [5.8K]

Answer:

- 5

Step-by-step explanation:

Substitute the given values into the expression

ax + by

= (- 2 × 1) + (3 × - 1)

= - 2 + (- 3)

= - 2 - 3

= - 5

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Step-by-step explanation:

7 0
3 years ago
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Diano4ka-milaya [45]
You need 1 cups and 2/3 more.

Explanation:

3 1/3 - 1 2/3= 1 2/3
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3 years ago
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