3 years ago

I need some help with this question

Mathematics

1 answer:

Andru [333]3 years ago

5 0

Answer:

Small - $7

Medium - $9

Large - $12 (This is your answer)

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Find all the values of × for which the statement is true.

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X=3 , -3

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2% of the students at Hamilton Middle School have red hair. There are 700 students at Hamilton Middle

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Answer:

14 students

Step-by-step explanation:

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$\frac{x}{700} = \frac{2}{100}$ , and we can use the cross products property to find the value of x.

$700\cdot2=1400\\\\1400\div100=14$

Hope this helped!

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2 years ago

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Say you have $14,000 to invest into an investment account. You can either invest your money into an account with a 7% annual int

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Answer:

You should choose an account with a 7% annual interest rate which is compounded quarterly

Step-by-step explanation:

we know that

The compound interest formula is equal to

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

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

part 1)

we have

$t=15\ years\\ P=\$14,000\\ r=0.07\\n=4$

substitute in the formula above

$A=14,000(1+\frac{0.07}{4})^{4*15}$

$A=14,000(1.0175)^{60}$

$A=\$39,645.43$

part 2)

we have

$t=15\ years\\ P=\$14,000\\ r=0.068\\n=12$

substitute in the formula above

$A=14,000(1+\frac{0.068}{12})^{12*15}$

$A=14,000(1.0057)^{180}$

$A=\$38,713.11$

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2 years ago