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KIM [24]
3 years ago
11

michelle has a starting balance on a gift card a for $300. She buys several dresses for $40 a piece. After her purchase she has

$140 left on the gift card. How many dresses did she buy?
Mathematics
2 answers:
anyanavicka [17]3 years ago
5 0
She had to of bought 4 dresses if they each equal $40
Olenka [21]3 years ago
4 0
$300 - $140 = $160

Now we do $160 divided by $40

That means she bought 4 dresses for $40 dollars each
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The number of points Marcus scored in different rounds of a computer board game is shown
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Answer:

583

Step-by-step explanation:

The mean of a data set is the average of the data set. It can be found by adding up all of the values and then dividing by the total number of values added. In this case, one is given the mean, and one needs to find a missing value. Since there is a missing element, add one to the total number of values in the data set. The missing element is represented by the parameter (x). Set up an equation and solve:

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\frac{2233+x}{8}=352

Inverse operations,

2233+x=2816\\\\x = 583

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2 years ago
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kumpel [21]
8.
40+105+x=180\\
x=35

9.
The sum of two sides must be greater than the third side.
It can't be 5 because 5+5=10\not>12.
It can't be 7 because 5+7=12\not>12.
It can't be 17 because 5+12=17\not>17.
So it's 12.

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8 0
3 years ago
The sum of 8 times a number and 15 is 7
Bumek [7]
8x+15=7

answer: x= 1 hope this help
5 0
3 years ago
(NEED HELP ASAP!!) You are saving for a skateboard. Your aunt gives you $45 to start, and you save $3 each
nekit [7.7K]

Answer:

$63

Step-by-step explanation:

You have the constant, $45. You then receive $3 each week. This can be written at $45 + $3w, where w is the number of weeks. So in this case, we need to find out how much money you will have after 6 weeks. We just need to plug in 6 weeks into the equation. The new equation will now be $45 + $3(6).

3 times 6 is $18.

$45 + $18 will give you a final answer of $63.

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3 years ago
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Ivanshal [37]

Answer:

Step-by-step explanation:

0.24 is greater than 0.17, and therefore J's getting a strike next game is more likely.

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3 years ago
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