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3 years ago

Reduce anwers to terms simplify improper fractions as mixed 4 1/4 -2 3/4 =

Mathematics

1 answer:

devlian [24]3 years ago

3 0

Answer:

Improper: 3/2

Mixed: 1 1/2

Step-by-step explanation:

I believe this is right, if not feel free to critique me and I will fix it. I'm sorry in advance if it is incorrect.

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a person invests 9000 dollars in the back. The back pats 4.75% interest compounded quarterly. To the tenth of a year, how long m

MaRussiya [10]

Answer:

5.7 years

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

in this problem we have

$t=?\ years\\ P=\$9,000\\A=\$11,800\\r=4.75\%=4.75/100=0.0475\\n=4$

substitute in the formula above

$11,800=9,000(1+\frac{0.0475}{4})^{4t}$

Solve for t

$\frac{11.8}{9} =(1.011875)^{4t}$

Applying property of exponents

$\frac{11.8}{9} =(1.011875^{4})^{t}$

Applying log both sides

$log(\frac{11.8}{9})=log[(1.011875^{4})^{t}]$

$log(\frac{11.8}{9})=(t)log[(1.011875^{4})]$

$t=log(\frac{11.8}{9})/log[(1.011875^{4})]$

$t=5.7\ years$

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4 years ago

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3 years ago

Find the range of f(x) = –x + 4 for the domain {–3, –2, –1, 1}.

marishachu [46]

Answer:

$\boxed{ \{7, 6, 5, 3 \} }$

Step-by-step explanation:

The domain is all possible values for x.

The range is all possible values for f(x) or y.

The domain given is {-3, -2, -1, 1}.

Plug x as {-3, -2, -1, 1} and find the f(x) or y values.

$f(-3)=-(-3)+4=7\\f(-2)=-(-2)+4=6\\f(-1)=-(-1)+4=5\\f(1)=-(1)+4=3$

The range is {7, 6, 5, 3}, when the domain is {-3, -2, -1, 1}.

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3 years ago

Officer Brimberry wrote 8 tickets for traffic violations last week, but only 7 tickets this week. What is the percent decrease?

enot [183]

The answer is ten percent.

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4 years ago

Read 2 more answers

11. Write 850 as the product of its prime factors. A. 17 × 50 B. 5 × 10 × 17 C. 10 × 85 D. 2 × 5 × 5 × 17

RideAnS [48]

D. 2 x 5 x 5 x 17

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3 years ago