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3 years ago

What is 345.432 minus two hundredths ?

Mathematics

1 answer:

Alexandra [31]3 years ago

8 0

Answer:

345.412

Step-by-step explanation:

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The planner of the school carnival estimated that they would sell 500 hotdogs . They only sell 400. What is the percent error of

____ [38]

Answer:

4:5

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

When dividing 1 by a number N to produce a decimal, what is the maximum size of the repeating portion?

AnnZ [28]

Great question. The answer is N-1.

Think about doing long division. We append a 0, get another digit in the quotient, multiply and subtract to get a remainder. We can assume that remainder is not zero because then we wouldn't have a repeating decimal. At each step the remainder has to be less than N, because we're dividing by N.

So there are N-1 possibilities for the remainder. On the off chance we generate N-1 digits and N-1 remainders and none repeat, we know the next one will repeat, because we've already generated all the possible remainders.

So the largest size of the repeating portion is N-1. This maximum happens first for 1/7.

6 0

3 years ago

Principal Lopez asked her 500 students to vote on the school's annual gift. 300 students voted to donate a telescope for the sci

Maksim231197 [3]

Using the percentage concept, it is found that 60% of the students voted to donate a telescope.

<h3>What is a percentage?</h3>

The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

$P = \frac{a}{b} \times 100\%$

In this problem:

The total amount is the number of students, which is of b = 500.

300 voted to donate, hence a = 300.

The <em>percentage </em>is given by:

$P = \frac{300}{500} \times 100\% = 60\%$

60% of the students voted to donate a telescope.

More can be learned about the percentage concept at brainly.com/question/10491646

5 0

2 years ago

Find the number of integers n that satisfy n^2 < 100.

GREYUIT [131]

Answer:

n=-9,-8,-7

Step-by-step explanation:

n<100

but that is the positive square root

\(-10 n is between the negative and positive square root of 100

thus, n=-9,-8,-7

3 0

3 years ago

4. plz show ur work

marissa [1.9K]

Percent Error =
$( \frac{ |experimental \: value - accepted \: value| }{accepted \: value} ) \times (100)$
So, Ari's experimental value is ,
$\frac{2.49g/ {cm}^{3} + 2.56g/ {cm}^{3} +2.72g/ {cm}^{3} }{3} =2.59g/ {cm}^{3} (average)$
The accepted value is,
$2.65g/ {cm}^{3}$

Here's The Work
$( \frac{ |2.59g/ {cm}^{3} -2.65g/ {cm}^{3} | }{2.65g/ {cm}^{3} } ) \times (100) = 2.26 \: percent \: of \: error$
Ari's Average Measurements Have An Percent Error Of 2.26%

6 0

3 years ago