formulas and problem solving, math homework help

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formulas and problem solving, math homework help

Solve the equation for h.

V = lwh

a. h = Vlw

b. h equals fraction numerator v over denominator l w end fraction

c.h equals fraction numerator l w over denominator v end fraction

d. h = V – lw

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Solve the equation for r

3r – 4s = 6

a. r = 2 + 4s

b.r space equals space 2 space minus space fraction numerator 4 s over denominator 3 end fraction

c. r equals 2 plus fraction numerator 4 s over denominator 3 end fraction

d. r = 2 – 4s

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Solve the equation for t.
A = P(1 + rt)

a. t equals fraction numerator 1 p over denominator r end fraction

b. t space equals fraction numerator A minus P over denominator P r end fraction

c. t equals fraction numerator A r over denominator P end fraction minus 1

d. t space equals fraction numerator A r minus 1 over denominator P end fraction

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Solve the equation for r.
n = S(r – 4)

a. r=4

b. r equals fraction numerator n plus 4 over denominator S end fraction

c. r = n(S + 4)

d. r equals n over S plus space 4

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Solve the equation for h.

S = 2πr2 + 2πrh

a. h equals fraction numerator S minus 2 πr squared over denominator 2 πr end fraction

b. h equals fraction numerator 2 πr squared over denominator 2 πr end fraction

c. h equals fraction numerator S over denominator 2 πr end fraction minus r squared

d. h equals S space minus space 2 πr

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If interest is compounded semiannually, what is n in the compound interest formula shown below?

A equals P left parenthesis 1 plus r over n right parenthesis to the power of n t end exponent

a. 1

b. 2

c. 4

d. 12

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Find the balance in an account if $3500 is invested at an annual rate of 3% for 10 years and compounded quarterly.

a. $4,722.74

b. $3,526.25

c. $4,719.22

d. $3,771.54

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Find the balance in an account if $2800 is invested at an annual rate of 4.25% for 6 years and compounded monthly.

a. $3,514

b. $3,611.67

c. $4,654.44

d. $2,860.03

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One day’s high temperature in Pheonix, Arizona, was recorded as 104°F. Write 104°F as degrees Celsius. Use the formula .

C space equals space 5 over 9 left parenthesis F minus 32 right parenthesis

a. 40°C

b. 14.2°C

c. 162°C

d. 102.2°

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Find the balance in an account if $4600 is invested at annual rate 6% for 3 years compounded daily.

a. $5,478.67

b. $5,507.12

c. $4,602.27

d. $5,428

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