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Alja [10]
3 years ago
8

What is the coefficient of the term of degree 2 in the polynomial below? x^6+3-2x^2+4x^7-4x a. -2 b. 3 c. -4 d. 4

Mathematics
2 answers:
Eva8 [605]3 years ago
7 0
We have that
<span>x^6+3-2x^2+4x^7-4x

we know that 
</span><span>the term of degree 2 in the polynomial is -2x</span>² 
<span>and the coefficient of the term of degree 2 is (-2)

the answer is option a) -2</span>
Pavel [41]3 years ago
7 0

Answer:

a. -2

Step-by-step explanation:

The given polynomial is

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

We rewrite the polynomial in standard form to obtain;

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

The term of degree 2 in the polynomial is -2x^2.

The coefficient of this term is the constant that is multiplying x^2 which is -2

You might be interested in
Which inequality has an arrow pointing to the left when the solution set is graphed on a number line?
kupik [55]

Answer:

x \le 5

Step-by-step explanation:

Given

Options (a) to (d)

Required

Which represents an arrow pointing left

When an arrow points left on an inequality graph, the inequality is either of the following:

x < a or x \le a

From the given options (a) to (d), only x \le 5 fits the above description.

Other options illustrate an arrow pointing to the right

To further explain this;

Looking at (b), we have:

4 \le x

This is rewritten as:

x \ge 4 --- the same form as (c) and (d)

5 0
3 years ago
The solution of the following equation as 0.15 ( 10t - 9= 0.75 (4t - 3)​
Alenkinab [10]

Answer:

\huge\boxed{\sf t = 0.6}

Step-by-step explanation:

\sf 0.15(10t-9) = 0.75(4t-3)\\\\Resolving \ Parenthesis\\\\1.5t-1.35 = 3t - 2.25\\\\Combining \ like \ terms\\\\-1.35 + 2.25 = 3t-1.5t\\\\0.9 = 1.5t\\\\Dividing \ both \ sides \ by \ 1.5\\\\0.9/1.5 = t\\\\0.6 = t\\\\OR\\\\\bold{t = 0.6}

Hope this helped!

<h2>~AnonymousHelper1807</h2>
4 0
3 years ago
BC =<br> Round your answer to the nearest hundredth.<br> ?<br> C<br> B<br> 50°<br> 7<br> А
umka21 [38]

Answer:

The answer is 8.34

U have to use the SOH CAH TOA method

In this case I used tan

so,

tan 50= BC/7

solve for BC= 7* tan 50= 8.34

6 0
3 years ago
I have a roof that measures 175 ft by 45 ft. During the hurricane 11 inches of rain fell.
Nikolay [14]

Answer:

  4.1 billion

Step-by-step explanation:

1 ft = 30.48 cm

1 in = 2.54 cm

The volume of rain that fell on the roof is given by ...

  V = LWH

  V = (175 ft × 30.48 cm/ft)(45 ft × 30.48 cm/ft)(11 in × 2.54 cm/in)

  = 175×45×11×30.48²×2.54 cm³ = 204,412,236.336 cm³

At 20 drops per cm³, this will be ...

  20×204,412,236.336 ≈ 4,088,244,727 . . . . raindrops

About 4.1 billion raindrops fell on your roof.

5 0
3 years ago
the perimeter of a rectangular field is (16a+8b-6c) units and one of its side is (5a+3b-4c) find the other side
Jet001 [13]

3a+b+c


The perimeter is two times one side (to account for the opposite) and two times the adjacent side. So if the sides would be x and y, the perimeter would be 2*x + 2*y.

So, knowing that the sum is 16a+8b-6c, if we subtract the given side 5a+3b-4c from this, what remains is two times the "other" side:

16a+8b-6c - 2*(5a+3b-4c) =

16a+8b-6c -10a-6b+8c =

6a+2b+2c

half of that is

(6a+2b+2c)/2 = 3a+b+c

7 0
3 years ago
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