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Aleksandr-060686 [28]
4 years ago
8

What are the possible rational zeros of f(x) = x4 + 2x3 − 3x2 − 4x + 20? (1 point)

Mathematics
1 answer:
Montano1993 [528]4 years ago
7 0

The <u>possible rational zeros</u> of <u>polynomial function</u> f(x) = x^4 + 2x^3 - 3x^2-4x + 20 could be only among the <u>divisors</u> of the <u>free term</u> of this polynomial function.

The free term is 20 and the divisors of 20 are:

\pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.

Answer: correct choice is C

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frez [133]
Perimeter 32. area 63
6 0
3 years ago
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Simplify the following expression.
AysviL [449]

Answer: C: 3/5

Step-by-step explanation:

1/2 is equal to 5/10

so 5/10+1/10= 6/10

6/10 can simplify to 3/5

8 0
3 years ago
An acre measures 4840 square yards. In a city a lot on which a single family house can be built measures 40 feet across and 100
maw [93]

We are required to find the percent of an acres is this lot

The percent of acres of the lot is 27.55%

Area of an acre = 4840 square yards

Area of the lot = Length × width

= 40 feet × 100 feet

= 4000 square feet

<em>convert feet to yards</em>

1 foot = 0.333333

4000 square feet = 1333.333 square yards

Therefore,

Area of the lot = 1333.333 square yards

percent of an acres is this lot = 1333.333 / 4840 × 100

= 0.2754820247933 × 100

= 27.548202479338

Approximately,

27.55%

Therefore,

The percent of acres of the lot is 27.55%

Read more:

brainly.com/question/2236179

6 0
3 years ago
Use the following frequency distribution (of SAMPLE DATA) in answering the questions: class 0-9 f=10; class 10-19 f=20; class 20
lutik1710 [3]

Answer:

1. Five classes in the frequency distribution

2.The mid point of the third class is 24.5

3.The total number of frequency is 100

4.The relative frequency of the third class is (20/100=0.2)

5. We use n-1 because we are dealing with a sample data

6. The mean is 24.5

7. The value of the standard deviation is 11

Step-by-step explanation:

See attached picture for the solutions

4 0
3 years ago
T.L. and Quina plan to add a 6-inch thick layer of gravel to their driveway. The driveway is 15 yards long and 3 yards wide. Wha
Artemon [7]

Answer:

Step-by-step explanation:

The driveway has the shape of a cuboid. The formula for determining the volume if a cuboid is expressed as

Volume = L × W × H

Where

H represents the thickness of the gravel to be added to the driveway.

W represents the width of the driveway.

L represents the length of the driveway.

From the information given,

L = 15 yards

W = 3 yards

H = 6 inches.

36 inches = 1 yard

6 inches = 6/36 = 0.167 yard

Therefore, the volume of gravel required would be

V = 15 × 3 × 0.167 = 7.515 cubic yards

7 0
3 years ago
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