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LenKa [72]
3 years ago
14

Write a polynomial that fits the description:

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

Answer:

-4x^3 + 2x^2-3

Step-by-step explanation:

Degree is the highest exponent on the variable in a polynomial.

A leading coefficient is the first terms coefficient when the polynomial is written in standard form.

To write this polynomial, write -4x^3 as your first term. Its leading coefficient is -4 and it has a degree of 3. Then add whatever terms after it being sure to not add any more with exponent 3 or higher.

Example: -4x^3 + 2x^2-3

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What is the value of x in 34 + 2x = 40
alekssr [168]

Hello from MrBillDoesMath!

Answer:

3

Discussion:

34           + 2x = 40             => subtract 34 from both sides

(34-34)   + 2x = 40 - 34     => as (34-34) = 0 and 40-34 = 6

2x                   = 6               => divide both sides by 2

x = 6/2 = 3

Check the answer:

Does 34 + 2x = 40 if x = 3 ?

Does 34 + 2(3) = 40 ?

Does 34 + 6      = 40 ?  YES! so the answer checks.

Thank you,

MrB

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3 years ago
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What the area of the whole building
avanturin [10]

Answer:

The area of the whole building is 83feet^2

Step-by-step explanation:

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3 0
3 years ago
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A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance fr
Ronch [10]

Answer:x - number of minutes;

f ( x ) - the distance from the finish line.

  x :        0     2      4      6

f ( x ) :    3      2      1     0

f ( x ) = 3 - x/2

Answer: B ) f ( x ) = -1/2 x + 3

Step-by-step explanation:

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3 years ago
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Enter an equation for the word sentence. Use the variable c for the cost.
sveta [45]

Answer

3x6=18 or 3c=18

Step-by-step explanation:

I don't know in what level of mathematics you're in. It depends...

c= cost  c=6

7 0
3 years ago
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Look at the figure. If m/_ L= 58, find /_ LKJ
kompoz [17]

Answer:

64°

Step-by-step explanation:

KJ = KL, KM is common, and ∠JKM = ∠LKM, so the triangles are congruent.

∴ ∠ J = ∠L = 58°

The three angles of a triangle add up to 180°.

 ∠J + ∠L + ∠LKJ = 180°

58° + 58° + ∠LKJ = 180°

        116° + ∠LKJ = 180°

                  ∠LKJ = 180° - 116°

                            =  64°

4 0
3 years ago
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