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Pepsi [2]
3 years ago
11

You've won a new prize! Go to you

Mathematics
1 answer:
kirza4 [7]3 years ago
4 0

Answer:

YES

Step-by-step explanation:

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On a map, 1 inch equals 7.4 miles. Two houses are 1.5 inches apart on the map.
Art [367]

Answer:

half of 7.4 is 3.7 so the houses are 3.7 miles apart.

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2 years ago
A number is multiplied by 2, and then 5 is subtracted. The result is 43.
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What is the area of a field that is 132.4m long by 28m wide?
svetlana [45]

Answer:

B

Step-by-step explanation:

its 132.4 times 28

=3707.2

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Find the lcm for 5,8,4
mash [69]

Answer:

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Read 2 more answers
What are the possible numbers of positive, negative, and complex zeros of f(x) = −3x4 −
Anna007 [38]

Answer:

b.

Step-by-step explanation:

We have to look at sign changes in f(x) to determine the possible positive real roots.

f(x)=-3x^4-5x^3-x^2-8x+4

There is only one sign change here, between the -8x and the +4.  So that means there is only 1 possible real positive root.

Now we have to look at sign changes in f(-x) to determine the possible negative real roots.

f(-x)=-3x^4+5x^3-x^2+8x+4

There are 3 sign changes here.  That means there are either 3 negative roots or 3-2 = 1 negative root.  So we have:

1 positive

3 or 1 negative

We need to pair them up now with all the possible combinations.

If we have 1 positive and 1 negative, we have to have 2 imaginary

If we have 1 positive and 3 negative, we have to have 0 imaginary

Keep in mind that the total number or roots--positive, negative, imaginary--have to add up to equal the degree of the polynomial.  This is a 4th degree polynomial, so we will have 4 roots.

7 0
2 years ago
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