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Mariulka [41]
3 years ago
9

The equation A = p + prt is used to find the accumulated amount, A, of an investment with principal, p, a certain interest rate,

r, and over time, t. What is the value for t, after the equation is rearranged?
Mathematics
2 answers:
skelet666 [1.2K]3 years ago
8 0
A=p (1+rt)
T= ((A÷p)-1)÷r
Korvikt [17]3 years ago
7 0

Answer:

t=\frac{A}{pr}-\frac{1}{r}


Step-by-step explanation:

The equation given is A=p+prt

Doing some algebra manipulation, we can solve for t:

A=p+prt\\prt=A-p\\t=\frac{A-p}{pr}\\t=\frac{A}{pr}-\frac{p}{pr}\\t=\frac{A}{pr}-\frac{1}{r}


So t=\frac{A}{pr}-\frac{1}{r}

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3. What is the molar mass of SO2?
Arada [10]

Answer: 64.066 g/mol

hope this helps :D

Step by Step: To find the molecular mass of SO2, you are going to want to search out the mass of SO2. The mass of sulfur is 32AMU, and also the mass of oxygen is 16AMU, then times two thanks to the subscript, so 32. Add those up, and 32+32=64AMU, which is your mass for the entire.

8 0
3 years ago
Read 2 more answers
Suppose that y varies directly as the square of x, and that y=567 when x=9. What is y when x=4
Gwar [14]

Answer:

y  = 112

Step-by-step explanation:

If  y varies directly as the square of x

mathematically;

y ∝ x²

y = kx² where 'k' is the constant of proportionality

let u know the value of k for this equation by making k the subject of the formular from y = kx²

divide both sides by x²

k = y / x²

given that  y = 567 x = 9

k = 567/(9)²

k = 567/81

k = 7

now to get the value of  y when x = 4

from the equation conneting x, y,

y = kx²

y = 7 × (4)²

y = 7 × 16

y  = 112

6 0
3 years ago
A game decreased in price by 2/3. After the reduction it was priced at £13. What was the original price of the game?​
Archy [21]

Answer:

x = 39

Step-by-step explanation:

Based on the given conditions, write: x=\frac{13}{1-\frac{2}{3}}

Find common denominator and write numerators above common denominator: x=\frac{\frac{13}{3-2} }{3}

Calculate the sum or difference: x=\frac{\frac{13}{1} }{3}

Divide the fraction by multiplying its reciprocal: x=13*3

Calculate the product or quotient: x=39

Answer: x=39

5 0
2 years ago
Read 2 more answers
In studying the insurance preferences of homeowners the following conclusions are made: A homeowner is three times as likely to
Ede4ka [16]

Answer:

0.632

Step-by-step explanation:

Given that a homeowner is three times as likely to purchase additional jewelry coverage as additional electronics coverage

If probability of purchasing additional electronics coverage = p, then prob of purchasing jewelry coverage = 3p

The two events are independent hence joint probability is product of these two.

i.e. P(both) = p(3p) =3p^2

This is given as 0.2

3p^2 =0.2\\p = 0.258

the probability that a homeowner purchases exactly one coverage.

=P(AUB)-P(A \bigcap B)

= Prob he purchases I + prob he purchases II-2(prob he purchases both)

= 0.258+3(0.258)-2(0.2)\\=0.632

5 0
3 years ago
Find the solutions of each equation on the interval [0, 2π)<br>​
Schach [20]

Answer/Step-by-step explanation:

Factor this. GCF=2

2(2cos2x+cos x-1)=0

2(2cos x -1)(cos x+1)=0 Set each factor equal to zero and solve

2cos x -1=0 Add 1 to both sides

2cos x =1 Divide by 2

cos x =1/2

x=π/3

x=5π/3

cos x+1=0 Subtract 1 from both sides

cos x=-1

<u><em>x = π</em></u>

<u><em></em></u>

4 0
3 years ago
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