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3 years ago

12

Simplify the difference. (4w2 – 4w – 8) – (2w2 + 3w – 6)

1 answer:

Pavel [41]3 years ago

8 0

Answer is 2w^2 - 7w - 2

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Find the distance between (-3, 11) and (-6,4).Round to the nearest then the

Likurg_2 [28]

Answer:

d =7.6

Step-by-step explanation:

$(-3,11) =(x_1,y_1)\\(-6,4)=(x_2,y_2)\\\\\mathrm{Compute\:the\:distance\:between\:}\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\\\quad \sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}\\\\=\sqrt{\left(-6-\left(-3\right)\right)^2+\left(4-11\right)^2}\\= \sqrt{(-6+3)^2+(4-11)^2}\\ \\d= \sqrt{(-3)^2+(-7)^2} \\\\d = \sqrt{9+49}\\ \\d = \sqrt{58}\\\\d = 7.61577\\\\d =7.6$

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3 years ago

The mean electric bill for Family C is approximately

Nata [24]

Do you have a picture to show, so that I can help?

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3 years ago

Look at pic 10 pts will mark brainilest

goblinko [34]

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5 0

2 years ago

G(x) = x^2– 5x f(x) = 2x +1<br> Find (g - f)(x)

Brrunno [24]

Answer:

x^2 - 7x - 1

Step-by-step explanation:

g(x) = x^2– 5x

f(x) = 2x +1

(g - f)(x)

expand to get

gx - fx

Slot in the values

(x^2– 5x) - (2x +1)

expand

x^2 - 5x - 2x - 1

x^2 - 7x - 1

3 0

2 years ago

Which of these inequalities means that<br> 18 is greater than three times a number?

AnnyKZ [126]

<h3>hello!</h3>

Let's write this verbal phrase as an inequality.

First of all, let the number be n.

"three times n" can be written like so:-

$\pmb{3n}$

Now, 18 is greater than 3n:-

$\pmb{18 > 3n}$

Which means 3n is less than 18:-

$\bigstar{\boxed{\pmb{3n < 18}}}$

<h3>note:-</h3>

Hope everything is clear; if you need any explanation/clarification, kindly let me know, and I'll comment and/or edit my answer :)

3 0

2 years ago