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3 years ago

Which property is represented by the equation below?

Mathematics

2 answers:

Lubov Fominskaja [6]3 years ago

6 0

D is the correct answer. Because, 2/3 and 3/2 are the inverse numbers.

scoray [572]3 years ago

3 0

Hmmm, i think it would be d. 2/3 is reverse of 3/2 so it would be distributive.
hope this helps :)

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Diane has $814 in her checking account. If she writes five checks for a total of $287, how much does she have left

gregori [183]

Answer:

$527

Step-by-step explanation:

Find how much she has left by subtracting 287 from 814:

814 - 287

= 527

So, she has $527 left in her account

7 0

3 years ago

A certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at th

OlgaM077 [116]

Answer:

Interval [16.34 , 21.43]

Step-by-step explanation:

First step. <u>Calculate the mean</u>

$\bar X=\frac{(23+18+23+12+13+23)}{6}=18.666$

Second step. <u>Calculate the standard deviation</u>

$\sigma =\sqrt{\frac{(23-18.666)^2+(18-18.666)^2+(23-18.666)^2+(12-18.666)^2+(13-18.666)^2+(23-18.666)^2}{6}}$

$\sigma=\sqrt\frac{18.783+0.443+18.783+44.435+5.666+18.783}{6}$

$\sigma=\sqrt{17.815}=4.22$

As the number of data is less than 30, we must use the t-table to find the interval of confidence.

We have 6 observations, our level of confidence DF is then 6-1=5 and we want our area A to be 80% (0.08).

We must then choose t = 1.476 (see attachment)

Now, we use the formula that gives us the end points of the required interval

$\bar X \pm t\frac{\sigma}{\sqrt n}$

where n is the number of observations.

The extremes of the interval are then, rounded to the nearest hundreth, 16.34 and 21.43

6 0

2 years ago

An unknown fraction is between 0 and 1. Which is true about the equivalent percent and decimal?

pashok25 [27]

Answer:

The answer is C.

Step-by-step explanation:

The number between 0 and 1. Think of decimals as cents, 100 cents makes a whole. So the number will be greater than 0 but less than 100.

7 0

2 years ago

13/18 % of a quantity is equal to what fraction of the quantity?

Leto [7]

Answer:

2/15/76

Step-by-step explanation:

I don't want to disappoint you but that's my answer thank me later and good luck

5 0

2 years ago

Wot it's the missing number x9=6x3

vivado [14]

If i'm understanding this question correctly, i believe that it's 2.
2*9=6*3

4 0

3 years ago

Read 2 more answers