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Llana [10]
3 years ago
13

State the possible number of positive real zeros, negative realzeros, and imaginary zeros for each function.

Mathematics
1 answer:
Stells [14]3 years ago
4 0

Answer:

In general, y = ax³ + bx² + cx + d

Where a,b,c & d are real,

Y can have at max 3 real roots, or one real and a conjugate pair of complex roots.

Also, -d/a is the product of roots

13) positive real values: 0 or 2

negative real values: 1 or 3

Imaginary roots: 0 or 2

14) positive real values: 1 or 3

negative real values: 0 or 2

Imaginary roots: 0 or 2

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Marta walked at 3.3 miles per hour for 0.54 hours. how far did she walk?
Anon25 [30]

This is a proportion, she is walking 3.3 every hour. She walked for 5.4 hours. And we don't know how far she walked so its x/.54. Then you cross multiply which gives you 3.9×.54=x. We multiply those decimals and we get 1.782.

7 0
3 years ago
Nadia compares the weights, in grams, of some apples and oranges she find the median abs interquartile range of the weights.
choli [55]

Answer:

Apple

Orange

Step-by-step explanation:

Apple has the greater median with a median value of 150 which is more than that of orange at 130

The sample with the greater variability is the orange sample as the interquartile range value of 11 is greater Than 8 for Apple.

Yes it is possible, because of the greater variation on weight shown by the sample of oranges, then it could be possible.

3 0
3 years ago
(3 x 10-7) x (8 x 10 )
charle [14.2K]

Answer:

1840

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Hi, can somoene please check why my solution and explain why I get the wrong answer.
trapecia [35]

Answer:

a_n=(1-n)2^n+3^n

Step-by-step explanation:

You are correct down to the part where you add the partial results:

a_n=a_n^h+a_n^p=A3^n+B2^n-n2^n\\\text{Using the given starter values, we can find A, B:}\\a_0=2=A\\a_1=7=3A+2B+2\\\text{has solution A=1, B=1, so ...}\\\\a_n=3^n+2^n-n2^n

4 0
3 years ago
Please help with this math equation
Naily [24]

Answer: 1725 ft^2

Step-by-step explanation:

Rectangle part is 30*50 or l*w = 1500

Triangle is 15*30/2=225

Add the two to get area

1500+225=1725

8 0
2 years ago
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