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never [62]
2 years ago
11

X is a normally distributed random variable with a standard deviation of 3.50. Find

Mathematics
1 answer:
melamori03 [73]2 years ago
7 0

Answer:

ayoooo

Step-by-step explanation:

pepe head

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What is the value of a? <br><br>A.-16<br>B.-3<br>C.3<br>D.16​
Igoryamba

Answer:

Which equation do I refer to?

Step-by-step explanation:

7 0
1 year ago
Charles wants to determine which car is the fastest. The actual speed of four cars is shown below: Car A B C D Speed (in km/h) 6
marysya [2.9K]

it would be car d because of what the time was on the chart (i did the test and it was correct)

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3 years ago
Shelley's Cupcakes recently sold 8 cupcakes, of which 4 were coconut cupcakes. Considering this data, how many of the next 20 cu
svp [43]

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10 coconut cupcakes.

Step-by-step explanation:

7 0
2 years ago
Use the discriminate to determine the number and the nature of the solutions of the giving equation.
PolarNik [594]

Answer:

Since b^2 -4ac = 256 we have 2 real distinct root roots

Step-by-step explanation:

4x^2+12x=7

We need to subtract 7 to get it in the proper form

4x^2+12x-7=7-7

4x^2+12x-7=0

The discriminant is b^2 -4ac

when the equation is ax^2 +bx+c

so a =4   b=12 and c=-7

(12)^2 - 4(4)(-7)

144 +112

256

If b^2 -4ac > 0 we have 2 real distinct roots

If b^2 -4ac = 0 we have one real root

If b^2 -4ac < 0 we have two complex root

Since b^2 -4ac = 256 we have 2 real distinct root roots

7 0
2 years ago
Holly wants to save money for an emergency. Holly invests $1,100 in an account that pays an interest rate of 8.75%. How many yea
olga_2 [115]
I believe it would be 3.5 years or 3 1/2 years
4 0
3 years ago
Read 2 more answers
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