Do you estimate that 200 people attend a school concert. The actual attendance was 240 people find the percent error

Mathematics

1 answer:

harkovskaia [24]4 years ago

3 0

The percent error is 20%.

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a meal cost 32.75 and another meal cost 39.88 a person pays for bothe meals and leaves a 14% tip whats the total cost

kramer

Answer:

if a person pays for both meal then

32.75+39.88

=159.75

noww

14%of 159.75

(14/100)x159.75

=22.36$

noww total cost

=159.75+22.36

=182.115$

3 0

2 years ago

Read 2 more answers

How does 0.03 compare to 0.003

kati45 [8]

0.03 compare to 0.003

While comparing decimals we write the decimals one below the other according to the place value of each digits in place value chart

ones -- point -- Tenths -- Hundredths -- Thousandths

0 . 0 3

0 . 0 0 3

Now we compare each digit left to right. We have 3 in hundredths and 0 in hundredths place. 3 is greater

So 0.03 is greater than 0.003

0.03 > 0.003

6 0

4 years ago

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Use the remainder theorem to determine the remainder when 3t²+5t-7 is divided by t-5

Brrunno [24]

$f(t)=3t^2+5t-7\implies f(5)=3(5)^2+5(5)-7=93$

which means the remainder upon dividing $f(t)$ by $t-5$ is 93.

This is because we can write

$\dfrac{f(t)}{t-5}=q(t)+\dfrac{r(t)}{t-5}$

where $q(t)$ is the quotient and $r(t)$ is the remainder. Multiplying both sides by $t-5$ , then evaluating at $t=5$ makes the $q(t)$ term vanish, leaving the remainder:

$f(t)=q(t)(t-5)+r(t)\implies f(5)=r(5)$