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Paraphin [41]
3 years ago
6

WILL GIVE BRAINLEST Slove f(9) if f(x)= -6x - 1 Show Step-by-Step pls.

Mathematics
2 answers:
ikadub [295]3 years ago
5 0

Answer:

Use the given functions to set up and simplify −by−Step.

f(9)=−55

Re-order terms so constants are on the left

⋅9=−55

f⋅9=−55

9=−55

Divide both sides of the equation by the same term

Simplify

Solution

=−55/9

Inga [223]3 years ago
4 0

Answer:

-37

Step-by-step explanation:

f(9)= -6X9-1

= -36-1

= -37

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In how many ways can we choose a 12 member jury from 30 possible people?
Pachacha [2.7K]
This is a problem dealing with permutations and combinations.
Order does not matter in this problem.
Since order doesn't matter, it is a combination.
Repetition matters, since you can't have the same person count as two people.

There are twelve slots.

_ _ _ _ _ _ _ _ _ _ _ _ 

Each slot needs to be multiplied by the next.

_*_*_*_*_*_*_*_*_*_*_*_

Now we have to fill in the slots.
Each slot will be filled with a number one less than the one before it. It has to be one less, since repetition matters.
The numbers will be decreasing from 30, since there are 30 possible people.

30 * 29 * 28 * 27 * 26 * 25 * 24 * 23 * 22 * 21 * 20 * 19

Multiply these numbers together and you get your answer.

41,430,393,164,160,000 ways
3 0
3 years ago
3^-6x(3^3 divide 3^0)^2
Greeley [361]

Answer:

{3}^{2}

Step-by-step explanation:

3^{ - 6}  \times (3^4  \div  3^0)^2

\frac{1}{  {3}^{6} }  \times ( {3}^{4}  \div  {3}^{0}  {)}^{2}

\frac{1}{729}  \times ( {3}^{4}  \div  {3}^{0}  {)}^{2}

\frac{1}{729}  \times ( {3}^{4}  {)}^{2}

\frac{1}{729}  \times 6561

\frac{1}{729}  \times (729(9))

9

{3}^{2}

<h3>Hope it is helpful...</h3>
8 0
3 years ago
A line in standard (x,y) coordinate plane passes through the points (7.5 ,-4.25) and (12.5,-6) find the slope of the line
Svet_ta [14]

Answer:

Step-by-step explanation:

Rise over run. Difference in y values is rise. 4.25 -6 is -1.75. Run s difference in x values. 12.5 -7 is 5. Divide -1.75/5 to get -0.35 As a faction thats -7/20

4 0
3 years ago
If a silver alloy that costs $6.50 an ounce
bearhunter [10]
6.8 ounces would be used?
3 0
3 years ago
Pls help! will mark branliest!!! :)
Ket [755]

The area of the house is the amount of space on the house.

  • The length of the addition is x + 20
  • The area of the original house is x^2 + 30x + 200

<h3>The length of the addition</h3>

The area of the addition is given as:

Area = x^2 + 10x - 200

Expand

Area = x^2 + 20x - 10x - 200

Factorize

Area = x(x + 20) - 10(x + 20)

Factor out x + 20

Area = (x -10)(x + 20)

The width of the addition is x - 10.

Hence, the length of the addition is x + 20

<h3>The area of the original house</h3>

The dimension of the original house is

x + 20 by x + 10

So, the area is:

Area =(x + 20)(x + 10)

Expand

Area =x^2 + 20x + 10x + 200

This gives

Area =x^2 + 30x + 200

Hence, the area of the original house is x^2 + 30x + 200

Read more about areas at:

brainly.com/question/24487155

8 0
2 years ago
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