3 years ago

The sales tax rate is 9 1/2%. Estimate the tax on a $9.98 purchase. How did you arrive at your answer?

Mathematics

1 answer:

stepladder [879]3 years ago

6 0

$9.98 * 1.095 = (that is tax; for ex. if it was 23.6 percent tax it would be 1.236)

$10.93

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Let log P/N=5 and log M/N=9 what is the relationship between P and M?

vova2212 [387]

we know that

log (P/N) = log P - log N
so
log P - log N = 5----------------> equation 1

log (M/N) = log M - log N
so
log M - log N = 9 ------------------> equation 2

If you subtract equation 2 from equation 1,
you have
log M - log P = 4
That means that log (M/P) = 4 ----> 10^4 = M/P ---> M = 10000P

the answer is
the relationship between P and M is
M = 10000P

7 0

4 years ago

Why is this the answer?

alexdok [17]

Answer:

B 1/y^3

Step-by-step explanation:

The negative exponent says move it from the numerator to the denominator

(If it were in the denominator we would move it to the numerator)

y^-3 becomes 1/y^3

5 0

3 years ago