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3 years ago

6

Evaluate ab+3b-a-5ab+2b if a= -3 and b=2

1 answer:

Paha777 [63]3 years ago

4 0

Replace all variables in the given equation with the given values.

$-6+6+3+30+4$

Answer: 37

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What is 97 divided by 7

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7 can go into 97 13 times w/ a remainder of 6.

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It’s opposite angels

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Becky surveyed The 24th shoppers who spent the most time and money on her bouquet last month which might be the best reason that

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and so do I

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The school band is putting on a concert. Eight students signed up to play the trumpet, 8 students signed up to play the flute, a

inessss [21]

The circle graph that can best display the data is called a pie chart. The pie chart shows the given data as part of a whole and indicates its percentage as well. In this case, the pie chart will be divided into three - those students who signed to play the trumpet, flute, and violin.

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You have $5600. The best interest rate you can find is 3%

EleoNora [17]

Answer:

18 years

Step-by-step explanation:

The formula for computing accrued amount A for a principal of P at an interest rate of r(in decimal) compounded n times in a year for t years is given by

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

Note that r is percentage converted to decimal. So 3% = 3/100 = 0.03

We can rearrange the above equation to:

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

Taking logs on both sides

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

This gives

$log(\frac{A}{P}) =nt \times log(1 + \frac{r}{n})\\So,\\nt = \frac{log(\frac{A}{P})}{ log(1 + \frac{r}{n})}$

In this particular problem, n = 4, , A= 9600, P = 5600, r =0.03, so r/n = 0.03/4 = 0.0075

1 + r/n = 1+0.0075 = 1.0075

4t = log(9600/5600)/log(1.0075) = log(1.714) / log(1.0075) = 0.234 /0.00325 = 72

t = 72/4 = 18 years

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2 years ago