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2 years ago

8 1/4=d÷ 2/12plz help assignment due in 30 min!

Mathematics

1 answer:

pogonyaev2 years ago

7 0

Answer:

exact form: d=99/2

decimal form: 49.5

mixed number form: 49 1/2

Step-by-step explanation:

sorry for the hold up

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If 270 people chose math as their favorite subject, how many people were surveyed?

yan [13]

80000000000000000000000

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2 years ago

Help with this question please

dem82 [27]

Answer:

gallons = dependent

minutes = independent

Step-by-step explanation:

independent variable = the variable being manipulated/changed

dependent variable = the variable being changed as a result

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2 years ago

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The infinite geometric series S=1+( 2/3 )+( 2/3 )^ 2 +( 2/3 )^ 3 .... equal to:

weqwewe [10]

SOLUTION

The question simply means that we should find the sum to infinity of the geometric series.

The formula of sum to infinity of a geometric serie is given by

$S_{\infty}=\frac{a}{1-r}$

Where

$\begin{gathered} S_{\infty}\text{ is the sum to infinity} \\ \\ a\text{ is the first term = 1} \\ \\ r\text{ is the common ratio = }\frac{2}{3} \end{gathered}$

So, this becomes

$\begin{gathered} S_{\infty}=\frac{a}{1-r} \\ \\ S_{\infty}=\frac{1}{1-\frac{2}{3}} \\ \\ S_{\infty}=\frac{1}{\frac{3-2}{3}} \\ \\ S_{\infty}=\frac{1}{\frac{1}{3}} \\ \\ S_{\infty}=3 \end{gathered}$

Therefore, option b is the correct answer

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1 year ago

Factorise the following expressions.<br> a) 6x + 5x + 1<br> b) 6x2 13x + 6

fredd [130]

Answer:

a) 1 1 + 1

b)1 3 + 1 8

Step-by-step explanation:

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2 years ago

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