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3 years ago

Describe how to locate the ordered pair(6,8)on a coordinate plane.begin your description at the origin

Mathematics

2 answers:

Schach [20]3 years ago

4 0

Start from (0,0) go up to 6 (6,0) then move to the right to 8 (6,8)

tatyana61 [14]3 years ago

3 0

Start from (0,0), and since x is 6, move 6 units to the right, and since y is 8, move 8 units up.

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IB/AP Mathematice: Logorithms

Anuta_ua [19.1K]

1. 5^2 = 25
2. 2^6 = 64
3. 25^(1/2) =5

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3 years ago

-3/5x - 7/20x + 1/4x= -56

romanna [79]

Answer:

x = 80

Step-by-step explanation:

Combine − 3/5x and 7/20x to get -19/20x.

Then combine -19/20x and 1/4x and you get -7/10x.

Then you multiply both sides by -10/7 which is the reciprocal of -7/10.

Make -56(-10) one fraction.

Multiply -56 and -10 and you get 560.

Then divide 560 by 7 to get 80.

8 0

3 years ago

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In the past, the average age of employees of a large corporation has been 40 years. Recently, the company has been hiring older

earnstyle [38]

Answer:

Step-by-step explanation:

In the past, mean of age of employees

i.e. $\mu = 40$

Recently sample was taken

n = sample size = 60

Mean of sample = 45

Std dev of sample s = 16

$H_0: \bar x = 40\\H_a: \bar x >40$

(Right tailed test)

Since only population std deviation is known we can use t test only

Std error = $\frac{s}{\sqrt{n} } \\=\frac{16}{\sqrt{61} } \\=2.049$

Mean difference = 45-40 =5

Test statistic t= $\frac{5}{2.049} \\=2.441$

df = 60

p value =0.008739

Since p < 0.05 we reject null hypothesis

The mean age has increased.

5 0

3 years ago

Convert 11.42424242 … to a rational expression in the form of a over b, where b ≠ 0.

babymother [125]

$x = 11\frac{42}{99}$

Step-by-step explanation:

$11.42424242.... = 11. \overline{42} \\ let \: x = 11. \overline{42} .....(1)\\ 100x = 1142.\overline{42}....(2) \\ subtracting \: (1) \: from \: (2) \: \\ 100x - x = 1142.\overline{42} - 11. \overline{42} \\ 99x = 1131 \\ x = \frac{1131}{99} \\x = 11\frac{42}{99} \\$

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3 years ago

Identify the word form of this number:<br><br> 795,860,913,789

oksano4ka [1.4K]

Answer: Seven Hundred Ninety-Five Billion Eight Hundred Sixty Million Nine Hundred Thirteen Thousand Seven Hundred Eighty-Nine

Step-by-step explanation: My head

4 0

3 years ago

Read 2 more answers