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Trava [24]
3 years ago
13

When david emptied the collection canister of his vacuum cleaner, he found nickels and quarters among the other of the canister.

When he counted the coins, he found that the number of quarters he counted was three less than number of nickels he counted. He has 21 coins in all.
Mathematics
1 answer:
Ugo [173]3 years ago
5 0

he has 9 quarters and 12 nickles.

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write an equations in slope-intercept form of the line that passes through the point(5,9) with slope 7
vovangra [49]

Answer:

y=7x-26

Step-by-step explanation:

1) Write it in the slope-intercept form of y=mx+b, where m is the slope and b is the y-intercept.

y=7x +c

2) Substitute the given coordinates into y=7x +b, and then solve for c.

9=7(5) +b\\9=35+b\\9-35=b\\b= -26

3) Substitute c into y=7x +b

y=7x-26

Therefore, the answer is y=7x-26.

6 0
2 years ago
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OLEGan [10]
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In applications, we consider any event that has below 5% chance. Pick a card from a standard deck of 52 cards. A=The card is an
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Answer:

Step-by-step explanation:

P(A) = 4/52 = 0.07692 which is bigger than 5%

5% = 0.05

0.07 is above 5% which is surprising.

The P(Spade A) = 1/52 = 0.01923 which is under 2% which meets your criteria.

8 0
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mafiozo [28]
B is the correct answer distributive property
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Can you please please help graph the line? Thanks!!!!!
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Because we know x stays constant, draw a point on (0,5). then draw a line extending up and down from (0,5) indefinitely because no matter what y is, x always stays the same--5.

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