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3 years ago

Which and which and plz help

Mathematics

1 answer:

Stella [2.4K]3 years ago

6 0

The 4th one, since both values have less than .5 after the decimal

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Convert 1/15 into a decimal correct to 2 decimal places

Citrus2011 [14]

Answer:

$\frac{1}{15} = 0.\overline{66}$

Step-by-step explanation:

We proceed to show the procedure to calculate the given fraction into a decimal form:

1) Since numerator is less than denominator, the integer component of the decimal number is zero:

$\frac{1}{15} = 0.xx$

2) We multiply the numerator by 10 and find the tenth digit:

$\frac{10}{15} = 0$

Then,

$\frac{1}{15} = 0.0xx$

3) We multiply the fraction in 2) by 10 and find the hundredth digit:

$\frac{100}{15} = 6$

Then,

$\frac{1}{15} = 0.66x$

And the remainder is:

$r = 100-15\times 6$

$r = 10$

4) We multiply the remainder by 10 and divide this result by the denominator to determine the thousandth digit:

$\frac{100}{15} = 6$

Then,

$\frac{1}{15} = 0.666$

This question asks us to write a decimal correct to 2 decimal places, which has the characteristic that is infinite periodical decimal. Then, the result correct to 2 decimal places is:

$\frac{1}{15} = 0.\overline{66}$

3 0

3 years ago

Find the least common denominator (lcd) of 1/3 and 2/9 .

OLEGan [10]

The lowest common denominator of 1/3 and 2/9 = 9

8 0

3 years ago

Which expression shows a sum of five terms? (3 points)

Sav [38]

Answer:

5 + x + 5 + x + x

Step-by-step explanation:

We are given 4 expressions and we have to determine which expressions shows a sum of five terms.

We use the process of elimination:

5(x + 5)

=5x+25 (distributing 5)

This contains sum of only two terms, eliminate.

It contains only 1 term, eliminate.

5 + x + 5 + x + x

It contains 5 terms 5,x,5,x and x, KEEP!

Only contains 1 term, eliminate.

With this said, were left with:

5 + x + 5 + x + x

Which is the correct answer! :)

6 0

2 years ago

Cups of water fill 4 identical water bottles. How many cups fill each bottle?

Anna71 [15]

Answer:

.8 or 4/5ths cup

Step-by-step explanation:

divide number of bottles by cups

4 1/2 is 4.5

5 5/8 is 5.625

4.5/5.625 = .8 (or 4/5ths)

3 0

3 years ago

What is the expanded notation fraction of 810.435

ipn [44]

Answer:

810.435 =

800

+ 10

+ 0

+ 0.4

+ 0.03

+ 0.005

3 0

3 years ago