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Mkey [24]
3 years ago
8

Exercise Sheet Number 6

Mathematics
1 answer:
RoseWind [281]3 years ago
5 0

Answer:

21.78 square feet

Step-by-step explanation:

Let A be the area of the square.

Given.

A square piece of metal measures 56 inches on one side.

So the length of the square is 56 inches.

We know that area of the square is.

area=(length)^{2}

A=56^{2}

A= 3136\ inches^{2}

1\ in^{2} = \frac{1}{144}\ ft^{2}

Now, we divide area by 144 for feet.

A=\frac{3136}{144}

A=21.78\ feet^{2}

Therefore, the piece of the metal is contained 21.78 square feet.

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matrenka [14]

The answer is 2.

-1/2(2-6)

-1/2(-4)=2

7 0
3 years ago
Subtract the polynomials then simplify: 5x^5+4x^2-2x^6+6x^4 and 10x^2+10x^3+8x^6-9x^4
Jet001 [13]

Answer:

\large\boxed{-10x^6+5x^5+15x^4-10x^3-6x^2}

Step-by-step explanation:

(5x^5+4x^2-2x^6+6x^4)-(10x^2+10x^3+8x^6-9x^4)\\\\=5x^5+4x^2-2x^6+6x^4-10x^2-10x^3-8x^6-(-9x^4)\\\\=5x^5+4x^2-2x^6+6x^4-10x^2-10x^3-8x^6+9x^4\\\\\text{combine like terms}\\\\=(-2x^6-8x^6)+5x^5+(6x^4+9x^4)-10x^3+(4x^2-10x^2)\\\\=-10x^6+5x^5+15x^4-10x^3-6x^2

8 0
3 years ago
Read 2 more answers
I will give 10 pt to who ever answer the question
kap26 [50]
OK, because it is asking you to subtract a (negative) number and two negatives make a positive, the question would be -56 + 27.07 = ? with some simple addition, the answer would be <span>-28.93.

I hope this helps :)</span>
3 0
3 years ago
Read 2 more answers
Write an equation for a polynomial with all the following features: The Degree is 5. The graph of the Polynomial crosses the ver
dimulka [17.4K]

Answer: f(x) = a*x^5 + b*x^3 + c*x^2 + 12.

Step-by-step explanation:

The degree is 5, so we will have a term like:

a*x^5

it crosses the vertical axis at y = 12, then we will have a constant term equal to 12.

The polynomial has 4 terms, and we already defined two, so we can invent two more, such that the exponent must be between 1 and 4

This polynomial can be something like:

f(x) = a*x^5 + b*x^3 + c*x^2 + 12.

where a, b and c are real numbers.

Has 4 terms, f(0) = 12, then it intersects the y-axis at y = 12, and the maximum exponent is 5, then the degree of f(x) is 5.

4 0
3 years ago
Answer BOTH! I’ll mark BRAINLIEST!
jonny [76]

Answer:

Step-by-step explanation:

EC=12

AC=24

3 0
3 years ago
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