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Alona [7]
2 years ago
15

You have a half pizza leftover in the refrigerator. The first night, the pizza goes to the refrigerator and eats 20% of the pizz

a in hope that no one notices the missing pizza. The second night the pizza pirate returns and eats 20% of the remaining pizza. the pattern continues for the next few days.
Mathematics
1 answer:
lorasvet [3.4K]2 years ago
5 0

Answer:

The pizza pirate ate the whole pizza!

2(days) + 3(a few days) = 5

20 x 5 = 100%

Therefore, the whole pizza is gone. Don't worry, I'll buy a new one!

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Combine like terms. <br> 2ac+4b+6ac-7a-b=
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Answer:

8ac+3b-7a

Step-by-step explanation:

2ac+6ac+4b-b-7a=

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3 years ago
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last summer, at camp okey-fun-okey, the ratio of the number of boy campers to girl campers was 8:7. If there were a total of 195
Evgen [1.6K]

The ration of boy campers to total campers is 8:15, and the ratio of girl campers to total campers is 7:15.  Using this information, we can answer this question by setting up proportions.

<u>For boys:</u>

\frac{8}{15} =\frac{x}{195}

<em>*Cross multiply*</em>

15x=1560

<em>*Divide both sides by 15*</em>

x=104

There are 169 boy campers.


<u>For girls:</u>

\frac{7}{15} =\frac{x}{195}

<em>*Cross multiply*</em>

15x=1365

91=x

There are 91 girl campers.


Hope this helps!!

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3 years ago
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Rewrite 4.86 x 10^12 in decimal notation.<br><br> help pleaseee
UkoKoshka [18]

Answer:

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2 years ago
a family buys a new home for $212,500 and pays a 20% down payment ($42,500). if the mortgage is for 15 years at 5.75% interest w
diamong [38]

Answer:

Their monthly house payment is of $2,184.65.

Step-by-step explanation:

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The compound interest formula is given by:

A(t) = P(1 + \frac{r}{n})^{nt}

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

A family buys a new home for $212,500 and pays a 20% down payment ($42,500).

This means that the loan is of 212,500 - 42,500 = $170,000, that is, P = 170,000

Value of the loan in 15 years:

15 years means that t = 15

5.75% interest means that r = 0.0575

Compounded yearly, so n = 1

Then

A(t) = P(1 + \frac{r}{n})^{nt}

A(15) = 170000(1 + \frac{0.0575}{1})^{15}

A(15) = 393237

Monthly payment:

Total of $393,237 in 15*12 months. So

M = \frac{393237}{15*12} = 2184.65

Their monthly house payment is of $2,184.65.

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