MATHEMATICS MIDDLE SCHOOL

Beth's summer vacation lasted 87 days. At the beginning of her vacation, she spent 3 weeks at soccer camp, 5 days at her grandmother's house, and 13 days visiting Glacier National Park with her parents. How many vacation days remained?

Answers

Answer 1
Answer: so 1 week=7 days
3 weeks=7 times 3=21 days


5 and 13
so 87-21-5-13=days left=48 days
Answer 2
Answer: Beth has days of vacation.

She spent :
* 3 weeks = 3*7 days = 21 days at soccer camp
* 5 days at her grandmother's house
* 13 days visiting the Park

That makes 21+5+13=39 days.

She thus has 87-39=48 days remaining.

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I don't know how to do this please help me!!??

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Volume = s³ = (9.5)³ = 9.5 × 9.5 × 9.5 = 857.375 in³

Is the additiveinverse of a number always, sometimes, or
never negative? Justify your answer with an
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Answers

Answer: I think it's sometimes, since additive inverse's yield zero and you could possibly have a negative a value.

Step-by-step explanation:

Charlene is looking at a pair of earrings that cost $10 find the total cost of the errands if there's a 15% discount in the sales tax is 8% does it matter if the discount is taken before or after the sales tax is added

Answers

So, let's try applying the discount before the sales tax first. Because it's a 15% discount, the earrings will be 85% of their original cost. (100 - 15 = 85). You can turn this percentage into a decimal (0.85) and multiply.

0.85 * 10 = 8.5.

Because we're working with money, this becomes $8.50. But we still need to add the sales tax. 8% can also be expressed as 0.08.

0.08 * 8.50 = 0.68. 

So we add the sales tax, $0.68 to the discounted price of the earrings, $8.50.

$8.50 + $0.68 = $9.18.

Now let's try applying the sales tax first. 0.08 * 10 = 0.8

10 + 0.8 = 10.8. But again, we're working with money so this becomes $10.80. 

Now we apply the discount. 0.85 * 10.80 = 9.18.

So whether you apply sales tax before the discount, or the discount before the sales tax, the cost of the earrings comes out to $9.18. It doesn't matter.

Use the distributive property to express 48+18

Answers

is there more information? You have to do a (48+18) to do this.


a is a variable which is any number.

While on vacation in Weston, Roscoe went out for a dinner that cost $90. If sales tax in Weston is 10% and Roscoe left a 20% tip on $90, what was the total cost of the meal?

Answers

Answer: $107

Step-by-step explanation:

Tip = 20 % of $90

= 20/100 × $90

=$18

Sales tax at 10% = 10/100 × $90

= $9

Total cost= $90 + $18 + $9

= $107

Answer:

117

Step-by-step explanation:

90 times 1.1 (the 1 is for the total amount which is ninety and the .1 is for 10% because you have to move the decimal over 2) is 99

90 times .2 equals 18

you then add 99 to 18 and the answer is 117

What are 5 consecutive even integers that add up to 0

Answers

2a,2a+2,2a+4,2a+6,2a+8\n\n2a+2a+2+2a+4+2a+6+2a+8=0\n\n10a+20= 0\ \ \ \ | subtract\ 20\n\n10a=-20\ \ \ \ | divide\ by\ 10\n\na=-2\n\nNumers\ are: \ -2,0,2,4,6.
2n+2n+2+2n+4+2n+6+2n+8=0\n10n+20=0\n10n=-20\nn=-2\n\n2n=-4\n2n+2=-2\n2n+4=0\n2n+6=2\n2n+8=4\n\n\boxed{\{-4,-2,0,2,4\}}
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