Alli rolls a standard -sided die twice. What is the probability of rolling integers that differ by on her first two rolls?

Mathematics

1 answer:

Virty [35]2 years ago

3 0

Okay lol i lol i i lol lol lol just said that he’s not

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A high school basketball team has a budget specifically for towels and extra basketballs. A towel costs $3 and a basketball cost

bonufazy [111]

An equation that can be used is 3T + 18B = 450. Since they know they need 30 towels, substitute 30 for T. The equation becomes 3(30) + 18B = 450. Simplifying, 90 + 18B = 450. Subtract 90 from each side, 18B = 360. Finally, divide each side by 18, B = 20. The maximum number of basketballs that may be purchased is 20.

4 0

2 years ago

The price of a cup of coffee was $2.85 yesterday. Today, the price fell to $2.50. Find the percentage decrease, Round your answe

uysha [10]

5.9%

Let's see what percentage of 2.55 is 2.40
or $2.40 = x% of $2.55

2.40 = (x/100)(2.55)
x = 2.40(100)/2.55
x = 240/2.55
x = 94.1%

$2.40 is 94.1% of $2.55

The decrease is from 100% to 94.1%

100-94.1 = 5.9% decrease in price

8 0

2 years ago

50 POINTS!

slavikrds [6]

To solve this we need to use these formulas:

$(a+b)+(c+d)=a+b+c+d\\(a+b)-(c+d)=a+b-c-d\\(a+b)-(c-d)=a+b-c+d$

$a. \:(3w^2 + 17w) + (12w^2 - 3w)=3w^2 + 17w + 12w^2 - 3w=15w^2+14w\\\\b.\: (-14 + 3p^2 + 2p) - (-5p + 10 - 7p^2)=-14 + 3p^2 + 2p +5p - 10 + 7p^2=\\=10p^2+7p-24\\\\c.\: (6a^2 + 2a - 2) + (-7a^2 + 4a + 11)=6a^2 + 2a - 2-7a^2 + 4a + 11=\\=-a^2+6a+9$