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3 years ago

Please help! What is 4 9/10 expressed as a decimal? Enter your answer in the box.

Mathematics

2 answers:

stira [4]3 years ago

8 0

Answer: 4.9

Step-by-step explanation:

You can use a calculator but I'll show you the step by step.

First, $4 \frac{9}{10}$ is a mixed number. To be able to divide it, convert it to an improper fraction. You can do this by multiplying the big number by the denominator and adding the numerator; all of this over the same denominator.

$\frac{4*10+9}{10}=\frac{40+9}{10}=\frac{49}{10}$

Now, divide:

49/10=4.9

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9'0

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enyata [817]3 years ago

3 0

Answer:

4.9

Step-by-step explanation:

4 9/10

9/ 10 = 0.9

So 4.9

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Answer:

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3 years ago

A triangle has the length of 6cm and height of 8cm. The area of the rectangle is 5 times the area of the triangle. The rectangle

Y_Kistochka [10]

Area of triangle = 24cm
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3 years ago

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Wes mixed different juices to make fruit punch. He filled one-half of the punch bowl with orange juice. Then he filled half of t

Vinvika [58]

Answer:

1.2Litres

Question:

Wes mixed different juices to make fruit punch. He filled one-half of the punch bowl with orange juice. Then he filled half of the remaining space with grape juice. Finally, he filled the rest of the punch bowl with 300 mL300\text{ mL}300 mL300, space, m, L of cherry juice. How many liters of fruit punch did Wes make?

Step-by-step explanation:

Let the total punch bowl be = P

Portion of Orange juice = ½ of total punch bowl

= ½ × P = P/2

Portion of grape = ½ of the remaining space

Remaining space = P - P/2 = P/2

Portion of grape = ½ × P/2 = P/4

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P/2 - P/4 = 300

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P/4 = 300

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3 years ago

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3 years ago

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A certain type of concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The concrete is poured i

velikii [3]

Answer:

Step-by-step explanation:

Given the data representation of the strength of nine randomly selected casts (in psi) as 3960, 4090, 3200, 3100, 2940, 3830, 4090, 4040, 3780.

MEAN

Mean is the average of the samples

$\overline x = \frac{\sum Xi}{N}$

$\sum Xi$ is thw sum of the given data

N is the sample size

$\overline x$ is the mean

$\overline x = \frac{3960+4090+3200+3100+2940+3830+4090+4040+3780}{9}\\\\\overline x = \frac{33,030}{9}\\ \\\overline x = 3,670psi$

Hence the mean of the data is 3,670psi

MEDIAN

Median is the value at the middle of the data after rearrangement.

On rearranging in ascending order

2940, 3100, 3200, 3,780) 3,830 (3,960, 4040, 4090, 4090

It can be seen that the middle value is 3860. Hence the median of the data is 3860psi.

MODE

Mode is the most occurring data in the dataset. It is the data with the highest frequency. From the data, it can be seen that the only data occurring most (twice) is 4090, hence the modal value is 4090psi

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3 years ago

Please help! What is ​ 4 9/10 ​ expressed as a decimal? Enter your answer in the box.

Please help! What is 4 9/10 expressed as a decimal? Enter your answer in the box.