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3 years ago

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The method used to factor trinomials of the form ax^2+bx+c can also be used to factor binomials of the form px^2+q by realizing

that, in this case, _____. A. a = 0 B. b = 0 C. c = 0 D. x = 0

1 answer:

Vanyuwa [196]3 years ago

3 0

C.) c=0, in some cases. It actually happens pretty often, and it will mean the y-intercept is (0,0) and there is an x-intercept also at (0,0)

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sally is on a scavenger hunt. a clue tells her to walk 100 steps due south from the starting point and then walk west when she g

Sophie [7]

Answer:

She should take 112 steps west

Step-by-step explanation:

* Lets explain the relation between the four directions

- North and South on the same line by in opposite directions

- East and West on the same line by in opposite directions

- East and West are perpendicular to the North and South

* Now lets study the situation i the problem

- Sally 100 steps due to South from the starting point

- Then she walk West when she gets the next clue

- The distance between her starting point and ending point is 150 steps

∵ The South is perpendicular to the West

- Lets consider her trip is a right angle triangle ABC, where AB

her steps South and BC her steps West and AC the distance

between her starting point and ending point

∵ AB = 100

∵ AC = 150

∵ m∠B = 90°

- By using Pythagoras theorem

∵ BC = √(AC² - AB²)

∴ BC = √(150² - 100²) = 50√5 = 111.8 steps

* She should take 112 steps west

8 0

3 years ago

Solve 5x-3/2 + x+7/3=15

inessss [21]

The answer is x = 85/36.

7 0

3 years ago

Factor this expression completely, then place the factors in the proper location on the grid. 5x3 + 40y6

Molodets [167]

For this case we have the following expression:
5x3 + 40y6
Common factor 5:
5 (x3 + 8y6)
Factoring the expression within the parenthesis we have:
5 ((x + 2y2) (x2 - 2xy2 + 4y4))
Answer:
The factored expression is given by:
5 ((x + 2y2) (x2 - 2xy2 + 4y4))

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3 years ago

Read 2 more answers

Does anyone know what the √2.25 is when rewritten as a fraction?

Zinaida [17]

Answer: $\sqrt{\frac{9}{4} }$

Step-by-step explanation:

This is what it is as a mixed number

$\sqrt{2.25}$

= $\sqrt{2\frac{1}{4} }$

= $\sqrt{\frac{9}{4} }$

If you want it written in exponential form it would look like this:

$(\frac{9}{4}) ^{\frac{1}{2} }$

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2 years ago

Read 2 more answers

Please help! It's due soon.

Sedbober [7]

Answer:

Because f(g(x)) = g(f(x)) = x, f and g <u>are </u> inverse functions.

Step-by-step explanation:

f(g(x)) = f( $\frac{1}{4}\sqrt{x}$ ) = $16(\frac{1}{4}\sqrt{x} ) ^{2} = 16(\frac{1}{16}x)=x$

g(f(x)) = g $(16x^{2}) = \frac{1}{4}\sqrt{16x^{2} } = \frac{1}{4}(4x) = x$

6 0

3 years ago