MATHEMATICS HIGH SCHOOL

Give the values of a,b & c

Answers

Answer 1

Answer:

Answer: B

Step-by-step explanation:

$(1)/(4)x^(2)$ + 5 = 0

= 4( $(1)/(4)x^(2)$ + 5) = 4(0)

= x² + 20 = 0

= x² + 0x + 20 = 0

a=1, b=0, c=20

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Find the product mentally. [(x + 1)(x - 1)]2

Answers

[(x+1)(x-1)]2 = (x*x + -x + x + -1)2 = (x^2 - 1)2. This should be the simplest form.

Final answer:

The product of the given equation [(x + 1)(x - 1)]2 can be mentally calculated by recognizing it as a difference of squares expression followed by applying the square of a binomial formula, giving us x^4 - 2x^2 + 1 as the final answer.

Explanation:

To find the product of the given equation mentally, we need to understand some basic algebraic laws. (x + 1)(x - 1) is a difference of squares, which simplifies to x2 - 1. We then square this expression, as indicated by the '2' outside the parentheses, which gives us (x2 - 1)2.

Finally, applying the square of a binomial formula (a - b)2 = a2 - 2ab+ b2 on our expression, we get x4 - 2x2 + 1 as the final product. Now this final product is the simplest form of your given equation.

Learn more about Algebraic Product here:

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The unit form and standard form of (2 tens 1 one) x 10?

Answers

2 tens and 1 one is equal to 21. 21 times 10 is 210.

1 1 pointAnswer each of the following. Write your final answers in the blanks provided.
A building is 50 ft. high. At a distance away from the building, an architect observes that the angle of elevation to the top of the building is
28° How far is the observer from the base of the building? Round to the nearest foot.

Answers

Answer:

Step-by-step explanation:

57.5 round up. 58

Urgent help! This is very important please help me fast! How do you do: Expand & simplify:(x 4)(x 2)Can you tell me how to work it out please?

Answers

so the question is asking: (x-4)(x-2)
because there is a bracket in between the two expressions it means we have to multiply them together: (x-4) x (x-2)

you can break down the question into smaller parts:
x multiply x
x multiply -2
-4 multiply x
-4 multiply -2

here are the answers:
x^2 (means x squared)
-2x
-4x
8 (because when you multiply two negative numbers it makes a positive)

now you put it into an expression (this is expanding):
x^2 - 2x - 4x + 8

to simplify it you collect like terms:
x^2 - 6x + 8

The above is the answer :)

What decimal goes in the empty box on the grid? Enter your answer in the box.

Answers

Answer:nAvsghahsgdg

Step-by-step explanation:

G=H(q+Q)for Q

Solve for Q

I dont understand how to do this.

Answers

$G=H(q+Q)\n\nH(q+Q)=G\n\nHq+HQ=G\ \ \ \ \ |both\ sides\ -Hq\n\nHQ=G-Hq\ \ \ \ |both\ sides\ :H\n\nQ=(G-Hq)/(H)$

$or\n\nH(q+Q)=G\ \ \ \ \ |both\ sides\ :H\n\nq+Q=(G)/(H)\ \ \ \ \ |both\ sides\ -q\n\nQ=(G)/(H)-q$

$G=H(q+Q)\n q+Q=(G)/(H)\n Q=(G)/(H)-q$

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