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2 years ago

Write 4.81 as a mixed number in simplest form.

Mathematics

2 answers:

Gelneren [198K]2 years ago

5 0

Answer:

Step-by-step explanation:

4.81

$=\frac{ 481}{100} \\=4\frac{81}{100}$

Lady_Fox [76]2 years ago

4 0

Answer:

4 $\frac{81}{100}$

Step-by-step explanation:

A mixed number is a combination of a whole number with a fraction. To make the fraction part, we need to take the decimal. In this case, the decimal is .81

.81 is equivalent to 81/100

81/100 is already in its simplest from since 81 is not divisible by 2

The final answer is 4 $\frac{81}{100}$

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krek1111 [17]

Answer: +42x

Step-by-step explanation:

The student only multiplied each term individually.

He should have (7x+3)² = (7x+3)(7x+3)

Which is 49x²+42x+9

Therefore the error is (42x) or the failure to apply the law of multiplication of variables in a bracket.

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3 years ago

A school buys 200 calculators at a special price. x of them were scientific calculators at R89 a piece and the rest were financi

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Let the number of financial calculators purchased = "y"

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2 years ago

Read 2 more answers

Find the sample size necessary in order to be 95% confident when determining the true mean weight within 2 units (EC2). Assume t

bogdanovich [222]

Answer:

Step-by-step explanation:

Given:

Margin of error (E) = 2

Sample variance $(s^{2})$ = 44

Confidence level = 95%

The z- value at 95% confidence level is 1.96.

The sample using the provided information can be calculated as:

$n=(\frac{z(s)}{E})^{2} \\n=\frac{z^{2} s^{2} }{E^{2} } \\n=\frac{1.96^{2} (44) }{2^{2} }\\n= 42.52\\n=43$

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3 years ago

Lin has picked 1 ½ cups of raspberries, which is enough for ¾ of a cake. How many cups does she need for the whole cake?

Llana [10]

Okay. So, based off of that, if you divide 1 1/2 (3/2) by 3/4, 3/2 * 4/3 is 12/6 or 2. 1/2 cups of raspberries is needed for each fourth of the cake. 1/2 * 4 = 2. Lin will need 2 cups of raspberries for the whole cake.

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3 years ago

Calculate the percent change in net sales from

oksian1 [2.3K]

Answer:

8.7%

Step-by-step explanation:

Well the net sales of Quarter 1 = 115 whilst the net sales of Quarter 2 = 125.

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Then, 0.0869565217 x 100 = 8.7% change to 1 decimal point.

So your percentage change is 8.7%.

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1 year ago