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makkiz [27]
4 years ago
13

Help out please thank you

Mathematics
2 answers:
Verizon [17]4 years ago
7 0

Answer: 6a. 3 1/3, 6b. 2 2/5, 6c. 1/4, 6d. 9/10

Step-by-step explanation: You can use math/way or Soc/ratic to find the answers. Math/way is a website, Socr/atic is an app.

MrMuchimi4 years ago
4 0
Do KCF ( keep change flip ) 5/6 divided by 1/4 keep the 5/6 change the division sign to a multiplication sign and change 1/4 to 4/1 and multiply across meaning 5x4 =20 and 6x1=6 =20/6 if you simplify it it will get you 10/3 because the the simplified number for 20/6 is 2 ,2x10 is 20 and 2x3 is 6 and just do ( KCF ) for all 3 hope it helped !
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Plz answer the question just tell me were they belong plz worth 10 points and brainlest!
arsen [322]
Answer:

1. 2^x =64 is option number 4. 6

2. x= (2/5)^3 is option number 1. 8/125

3. 3•(3^4) = 3^x is option number 3. 5

4. 16/25 = x^2 is option number 2. 4/5
5 0
3 years ago
Since the Boston marathon began in 1897, the finish time has been incrementally decreasing. The mean finish time to date is 231
morpeh [17]

Answer:

hello your question lacks the required options but i will provide a general answer to your question

answer : The mean value  and the standard deviation would allow us use a Z-score

Step-by-step explanation:

mean value = 231 minutes

standard deviation ( std ) = 40 minutes

sample size = 40

The parameters that would be applicable while use Z-score are : The given mean value and the standard deviation

This is because the value of a z-score gives us an information on how far we are from the mean score i.e. number of standard deviations

+Zscore means that the score  is above the average value

-Zscore means that the score is below the average value

7 0
3 years ago
Please help brainliest will be given
natita [175]
Answer:

y = 5x + 3

Step-by-step explanation:

When x = 0 y = 3 so the y-intercept will be 3

And the equation is y = 5x + 3 where the slope is 5

4 0
2 years ago
What are the solutions to. x^2 - x - 20 = 0
nignag [31]

Step-by-step explanation:

<em>x² - x - 20 = 0</em>

<em>x²</em><em> </em><em>-</em><em> </em><em>(</em><em>5</em><em>-</em><em>4</em><em>)</em><em> </em><em>x </em><em>-</em><em> </em><em>2</em><em>0</em><em> </em><em>=</em><em> </em><em>0</em><em> </em>

<em>x²</em><em> </em><em>-</em><em> </em><em>5x </em><em>+</em><em> </em><em>4x </em><em>-</em><em>2</em><em>0</em><em> </em><em>=</em><em> </em><em>0</em>

<em>x </em><em>(</em><em> </em><em>x </em><em>-</em><em> </em><em>5</em><em>)</em><em> </em><em>+</em><em> </em><em>4</em><em> </em><em>(</em><em> </em><em>x </em><em>-</em><em> </em><em>5</em><em>)</em><em> </em><em>=</em><em> </em><em>0</em>

<em>(</em><em>x </em><em>-</em><em> </em><em>5</em><em>)</em><em> </em><em>(</em><em>x+</em><em> </em><em>4)</em><em> </em><em>=</em><em> </em><em>0</em>

<em>Either</em><em>. </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em>

<em>x </em><em>-</em><em> </em><em>5</em><em> </em><em>=</em><em> </em><em>0</em>

<em>x </em><em>=</em><em> </em><em>5</em>

<em>Or, </em>

<em>x </em><em>+</em><em> </em><em>4</em><em> </em><em>=</em><em> </em><em>0</em><em> </em>

<em>x </em><em>=</em><em> </em><em>-</em><em>4</em>

3 0
3 years ago
PLZ I NEED THIS QUICK, I WILL GIVE BRAINLSET FOR THE FASTEST AND CORRECT ANSWER
patriot [66]

Answer:

$95

Step-by-step explanation:

you had to subtract the two numbers .

4 0
3 years ago
Read 2 more answers
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