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3 years ago

What is 0.3 repeating as a fraction and in simplest form

Mathematics

1 answer:

Taya2010 [7]3 years ago

3 0

3/10 you go by how many decimal points to move over... 0.1 one tenth.. 0.01 one hundeth an soo on.

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Help mi out plz..... solve using matrix method

HACTEHA [7]

Answer:

x = $\frac{22}{7}$

y = $\frac{3}7}$

Step-by-step explanation:

$2x-3y=5\\5x=4y=14\\\\\left[\begin{array}{cc}2&-3\\5&-4\\\end{array}\right] \left[\begin{array}{c}x\\y\\\end{array}\right] =\left[\begin{array}{c}5\\14\\\end{array}\right]$

Let A = $\\\left[\begin{array}{cc}2&-3\\5&-4\\\end{array}\right]$

The inverse of A multiplied by A = the identity matrix $\left[\begin{array}{cc}1&0\\0&1\\\end{array}\right]$

Inverse of A = $\frac{1}{detA}$ $\left[\begin{array}{ccc}-4&3\\-5&2\\\end{array}\right]$

detA = ad - bc = $-8 - - 15 = 7$

Inverse of A = $\left[\begin{array}{cc}\frac{-4}{7} &\frac{3}{7} \\\frac{-5}{7} &\frac{2}{7}\\\end{array}\right]$

$\left[\begin{array}{ccc}x\\y\\\end{array}\right] = \left[\begin{array}{cc}\frac{-4}{7} &\frac{3}{7} \\\frac{-5}{7} &\frac{2}{7}\\\end{array}\right] \left[\begin{array}{ccc}5\\14\\\end{array}\right] = \left[\begin{array}{ccc}\frac{22}{7} \\\frac{3}{7} \\\end{array}\right]$

5 0

3 years ago

Write 45 as a product of prime factors.

Mazyrski [523]

5 x 9
9 (3 x 3)
5 x 3 x 3 = 45

8 0

4 years ago

Read 2 more answers

After x minutes, the distance the athlete is from the school id given by y (in miles), where x+10y=260

zavuch27 [327]

Answer:

Estimate the following (by rounding off to nearest hundred (a)6,941 (b)6,320 (c) 416 (d)126 (e)109 (f)202 (g) 146 (h)7,699 (I)8,311 (j)986

Step-by-step explanation:

7 0

3 years ago

A boat can travel 10 miles downstream in the same time it

AleksAgata [21]

Answer:

$\frac{10}{x+2} = \frac{3}{x-2}$

Step-by-step explanation:

The 10 represents the speed traveling downsteam while the 3 represents speed upstream. Downstream you have the help of the current, so it would be x + 2, upstream you are working against the current so it would be x - 2.

3 0

3 years ago

Anyone can help ? I'm from Indonesian :)

Sphinxa [80]

Answer:

624

Step-by-step explanation:

$2(\frac{1}{2} \times 6 \times 8 ) + (24 \times 8) + (24 \times 6) + (10 \times 24)\\ = 624$

5 0

3 years ago

Read 2 more answers