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Aleonysh [2.5K]
3 years ago
14

There are 7 days in 1 week. How many days are there in 4 weeks?

Mathematics
2 answers:
otez555 [7]3 years ago
8 0

Answer:

28 days

Step-by-step explanation:

You multiply 7 by 4 for find the number of days in 4 weeks, since 1 week is 7 days: 7 × 4 = 28.

Hope this helps!

Ilia_Sergeevich [38]3 years ago
7 0

Answer:

28 days

Step-by-step explanation:

If one week equals 7 days, then we must multiply 7 by the number of weeks.

So we have 7*4=28 days.

Hope this helps you!

~Just an emotional teen who listens to her favorite song "Try Everything"

SilentNature :)

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Solve for x.<br><br> y=4+bx^2
kicyunya [14]
y=4+bx^2

bx^2 = y - 4

x^2 =  \dfrac{y-4}{b}

x = \pm \sqrt{ \dfrac{y-4}{b} }
3 0
3 years ago
Anisha invested $8,000 in an account that earns 10% interest How much money will she have in 15 years of the interest is compoun
tamaranim1 [39]

Answer:

A = $35,198.32

Step-by-step explanation:

<em>Use the formula to calculate compound interest</em>:

A = P(1 + i)ⁿ

"A" for total amount after the time period

"P" for principal, or starting money

"i" for the interest rate in a compounding period

To calculate "i":

i = r / c

"n" for the number of compounding periods

To calculate "n":

n = tc

So, we can <u>combine the formulas</u> into:

A = P(1+\frac{r}{c})^{tc}

"c" is the compounding periods in a year. (quarterly = 4)

<u>We know</u>:

P = 8000

r = 10% / 100 = 0.1

t = 15

c = 4

<u>Substitute the information in the formula</u>.

A = P(1+\frac{r}{c})^{tc}

A = 8000(1+\frac{0.1}{4})^{15*4}      Solve "i" and "n"

A = 8000(1+0.025)^{60}        Solve inside the brackets

A = 8000(1.025)^{60}         Do the exponent before multiplying by 8000

A = 35198.318             Exact answer

A ≈ 35198.32              Round to two decimal places for money

Therefore she will have $35,198.32 after 15 years.

5 0
3 years ago
Mr. Peterson sold a parcel of land and decided to share half of the amount he got among his three children Jane, Peter and marth
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Answer:

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Step-by-step explanation:

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Marta-ratio of 7=35000

25000+35000

60000

5 0
3 years ago
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$1.25 for jelly beans
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Answer

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