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Anit [1.1K]
4 years ago
13

Is this survey biased? why our why not?

Mathematics
2 answers:
seropon [69]4 years ago
6 0
This survey is biased because The Sunday paper asked people at Central Park instead of the city
Leviafan [203]4 years ago
5 0
It is biased because they surveyed people who were at a park, therefore they enjoy parks and would want more in the area
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Almond trees yield 12 pounds per acre and macadamia nut trees yield 8 pounds per acre. Suppose Pippa's farm has a acres of almon
Thepotemich [5.8K]

The answer is C. 12a + 8m = 250

3 0
3 years ago
Read 2 more answers
The result of dividing (x3 + x2 – 22x – 40) by
IceJOKER [234]
Answer:

(x + 2) (x + 4)

Step-by-step explanation:

Before looking at my explanation make sure next time you are going to ask another question write the numbers that include exponents like this: x^2 instead of x2

Factor out x^2:

x + x

Factor out 6x:

Since it is in the bx form we’ll need two numbers be add so it can be equivalent to 6x

Answer: 4 and 2

Factor out 8:

4 x 2

Now start with the 8 and 6x

(? + 4) + (? + 2)

Then finish it off with x

(x + 4) (x + 2)




5 0
3 years ago
Which expression represent the product of x3 + 2x - 1 and x4 - x3 + 3
Alborosie

Answer:

x^7 + x^6 - 3x^4 + 4x^3 + 6x - 3.

Step-by-step explanation:

(x3 + 2x - 1)  (x4 - x3 + 3)

= x^7 - x^6 + 3x^3 + 2x^6 - 2x^4 + 6x - x^4 + x^3 - 3

= x^7 + x^6 - 3x^4 + 4x^3 + 6x - 3.

7 0
3 years ago
How do you simplify this ? 8(x - 4) - 6(x - 1) + 9x
Neporo4naja [7]
8(x-4)-6(x-1)+9x\\\\=8\cdot x+8\cdot(-4)-6\cdot x-6\cdot(-1)+9x\\\\=8x-32-6x+6+9x\\\\=(8x-6x+9x)+(-32+6)\\\\=\boxed{11x-26}
4 0
3 years ago
Read 2 more answers
Jack took a test and got 13 out of 17 points. He took a make-up test and got 12 out of 15 points.
blagie [28]

Answer:

4.6

Step-by-step explanation:

The answer is 4.6%, hope it helps! sorry if wrong!

3 0
3 years ago
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