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lyudmila [28]
3 years ago
8

Which polynomial has zeros of 2, 5, and -4?

Mathematics
1 answer:
Stells [14]3 years ago
5 0

Answer:

Step-by-step explanation:

(a) p(2)=(2+2) (2+5) (2-4)

=4*7*-2

=-56

So this is not the polynomial

(b) p(2)=(4-4) (2+5) (2+5)

=0*7*7

0

p(5)=(10-4)(5+5)(5+4)

6*10*9

=540

So this is also not the polynomial

(c)p(2)=(6-2)(2-5)(2-4)

4*-3*-2

24

so this is also not the polynomial

(d)p(2)=(4-4)(2-3)(2+4)

=0

p(5)=(10-4)(5-5)(5+4)

=0

p(-4)=(-8-4)(-4-5)(-4+4)

=0

so this is the polynomial

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In a woodworking class, you need to make five triangles out of plywood. Each triangle has a height of 6 inches and a base of 14
skelet666 [1.2K]

Answer:

  • 210 in²

Step-by-step explanation:

<u>Use the formula for area:</u>

  • A = 1/2bh

<u>Each triangle will have the area of:</u>

  • A = 1/2*6*14 = 42 in²

<u>Total amount of plywood will be:</u>

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4 0
3 years ago
Which system of inequalities is represented by the graph?
Nataliya [291]

Answer:

I think it is the first one but where is the graph

4 0
3 years ago
Find the distance between the origin and the point R = (9,7,8). The distance is: Ensure that you use at least 4 decimal place ac
gregori [183]

Answer:

The distance between the origin and the given point is 13.9283 units.  

Step-by-step explanation:

The coordinates of origin are (0,0,0)

We are given a point R(9,7,80

The distance formula:

\sqrt{(y_1 -x_1)^2 + (y_2 -x_2)^2 + (y_3 -x_3)^2}, where (x_1, x_2, x_3) are coordinates of one point and  (y_1, y_2, y_3) are coordinates of other point.

Putting the values as:

y_1 = 9, y_2 = 7, y_3 = 8\\x_1 =0, x_2 = 0, x_3 = 0

We get d = \sqrt{81 + 64 + 49}

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d = 13.9283

Thus, the distance between the origin and the given point is 13.9283 units.

8 0
4 years ago
Pls help and show your work
Dmitriy789 [7]

Answer:

21. Vol. = L ^ 3

or, 27000 = L ^ 3

or, cube root undefr 27000 = L

Therefore, Edge length = 30 cm

22.

a. v = l ^ 3

or, 64000 = l ^ 3

or, cube root under 64000 = L

or, l = 40 cm

Also,

surface area = 6 a ^ 2

= 6 * 40 ^ 2

= 6 * 1600

= 9600 cm ^ 2 #

Hope this helped

Hope this helped ALL THE BEST !!

5 0
3 years ago
Solve the following equation for x.
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The answer is x= y-5 /m

See the picture for explanation plz
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3 years ago
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