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3 years ago

What is the standard form of g(x) = (-x-4)(x-3)

Mathematics

1 answer:

Anni [7]3 years ago

8 0

Answer:

g(x) = - x² - x + 12

Step-by-step explanation:

Given

g(x) = (- x - 4)(x - 3)

Each term in the second factor is multiplied by each term in the first factor, that is

- x(x - 3) - 4(x - 3) ← distribute both parenthesis

= - x² + 3x - 4x + 12 ← collect like terms

= - x² - x + 12 ← in standard form

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Work out the value of x, 2x + 9, x + 13, x - 8

coldgirl [10]

Answer:

=24x-8

Step-by-step explanation:

(2x+9x,x+13x)-8

collect like terms

(2+9+13)x-8

=24x-8

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3 years ago

Is √38 rational or irrational

lbvjy [14]

Answer:

Rational

Step-by-step explanation:

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2 years ago

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muminat

$-8x^2+54x+140
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$-2(4x^2-27x-70)$

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3 years ago

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Circle F has a diameter of 36m and = 240o. Find the length of . Leave your answer in terms of pi.

andrezito [222]

Answer:

So, the arc length is $24\pi$

Step-by-step explanation:

We are given

diameter =36m

so, we can find radius

$r=\frac{36}{2}=18m$

and angle as

$\theta=240$

Since, it is in degree

so, we can change it in radian

$\theta=240\times \frac{\pi}{180}$

$\theta=\frac{4\pi}{3}$

now, we can find arc length

$L=r\times \theta$

now, we can plug values

$L=18\times \frac{4\pi}{3}$

$L=24\pi$

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3 years ago

if the store purchased a kitchen appliance for $42 and sold it for $58.80, what was the percent markup?

oksano4ka [1.4K]

Answer:

40%

Step-by-step explanation:

Percent markup = new price - original price/original price

Do the subtraction first.

58.80 - 42.00 = 16.80

Now do the division

16.8/42 = 0.40

Change the decimal to a percent by moving the decimal two place to the right.

0.40 = 40%

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2 years ago