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3 years ago

1. Factor.......12x^5+6x^2−18

2 answers:

8 0

Here, expression is : 12x⁵ + 6x² - 18
Now, take 6 as a common factor,
6 (2x⁵ + x² - 3)

In short, Your Answer would be Option C

Hope this helps!

tester [92]3 years ago

5 0

The answer is c.. Just use the distributive property on c and it will equal what you have to factor

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A jewelry store sells charm bracelets and charms. A bracelet with two charms costs $36.00. A bracelet with four charms costs $50

Slav-nsk [51]

Answer:

36+50

Step-by-step explanation:

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3 years ago

Find the constant of proportionality k. Then write an equation for the relationship between x and y

ExtremeBDS [4]

Question:

Find the constant of proportionality k. Then write an equation for the relationship between x and y

$\begin{array}{ccccc}x & {2} & {4} & {6} & {8} \ \\ y & {10} & {20} & {30} & {40} \ \ \end{array}$

Answer:

(a) $k = 5$

(b) $y = 5x$

Step-by-step explanation:

Given

$\begin{array}{ccccc}x & {2} & {4} & {6} & {8} \ \\ y & {10} & {20} & {30} & {40} \ \ \end{array}$

Solving (a): The constant of proportionality:

Pick any two corresponding x and y values

$(x_1,y_1) = (2,10)$

$(x_2,y_2) = (6,30)$

The constant of proportionality k is:

$k = \frac{y_2 - y_1}{x_2 - x_1}$

$k = \frac{30-10}{6-2}$

$k = \frac{20}{4}$

$k = 5$

Solving (b): The equation

In (a), we have:

$(x_1,y_1) = (2,10)$

k can also be expressed as:

$k = \frac{y- y_1}{x- x_1}$

Substitute values for x1, y1 and k

$5 = \frac{y- 10}{x- 2}$

Cross multiply:

$y - 10 = 5(x - 2)$

Open bracket

$y - 10 = 5x - 10$

Add 10 to both sides

$y - 10 +10= 5x - 10+10$

$y = 5x$

6 0

3 years ago

Where is the center of CD given C(-6, 12) and D (13, 20)?

Law Incorporation [45]

(3.5, 16)

Midpoint Formula is
((x1+x2)/2, (y1+y2)/2)

3 0

3 years ago

2. The ratio of boys to girls in the school

andrew11 [14]

Since the ratio is 3:4, and 12/4 is 3 than you do 3x3 and get 9 so the answer is 9:12 or 9 boys and 12 girls. To check your answer, you can do 3/4 (for 3:4) and that is 0.75. If you do that with 9:12 you also get 0.75.

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3 years ago

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F(x) = -3x + 7<br> What is f (0)?

Oduvanchick [21]

F(0) = -3(0) + 7
f(0) = 7

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3 years ago

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