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3 years ago

Please help,find all the missing side and angle measures

Mathematics

1 answer:

Alex3 years ago

7 0

We cannot find the side measures unless there is another side given.
K=90
L= 90-24 = 66
answers: K=90
L=66

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Scale Factor<br><br> Smaller Figure:<br> Larger Figure:<br> Please please help, no links

slega [8]

Answer:

2/3

Step-by-step explanation:

you reduce the fraction to get the scale factor. so 8/12 reduces down to 2/3 which is the scale factor

6 0

3 years ago

Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. He finds the mean is 14. His steps for

Tpy6a [65]

Answer:

B. Yuri divided by n instead of n-1

Step-by-step explanation:

It was stated in the question that the dataset was sample dataset. For a sample dataset, the standard deviation is given by the formula,

σ = √ Σ (Xi - mean)²/(n - 1) where i = 1,2,3.....n

Since this is just a sample dataset and not the whole population, Yuri should have divided by n-1 instead of n.

3 0

3 years ago

The table shows transactions from five different bank accounts.

lisabon 2012 [21]

Answer:

New Account Balance ($)

Acc # Old Acc Balance ($) Trans Amount ($) New Acc Balance ($)

1 352 -48 304

2 432 +80 512

3 75 -100 -25

4 40 52 12

5 -10 -20 -30

5 0

3 years ago

Stock worth $80 a share dropped in value by 15% on Tuesday, then increased by $7 the next Wednesday and, finally, increased by 1

Nutka1998 [239]

<h2>Steps</h2>

So here are a couple expressions when a value changes by percentage (p = percentage in decimal form and m = original value):

When <em>decrease</em>: (1 - p)m
When <em>increase</em>: (1 + p)m

So firstly, the $80 share dropped by 15%. Since this is a <em>decrease</em>, follow the appropriate expression:

$15\%=0.15\\\\(1-0.15)*80\\0.85*80\\68$

<em>On Tuesday, the share went from $80 to $68</em>

Next, on Wednesday the share increased by $7. With this, just add $68 and 7.

$68+7=75$

<em>On Wednesday, the share went from $68 to $75</em>

Lastly, on Thursday the share increased by 12%. Since this is an <em>increase</em>, follow the appropriate expression:

$12\%=0.12\\\\(1+0.12)*75\\1.12*75\\84$

<h2>Answer</h2>

<u>The final price of the share is $84.</u>

7 0

3 years ago

Graph y = 2x-7 plot it !

lord [1]

Answer:just start at 7 and go out 2 up 1

Step-by-step explanation:

Edit:sorry ment -7

4 0

3 years ago