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Minchanka [31]
3 years ago
15

Expand and simplify (2x+3)(x-3)

Mathematics
2 answers:
8090 [49]3 years ago
6 0
2x^2-3x+3x-9
Answer: 2x^2-9
timofeeve [1]3 years ago
5 0
2x^2-6x+3x-9

FINAL ANSWER:
2x^2-3x-9
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ANSWER ASAP PLS<br><br>What is the range of f(x)?<br>​
Lunna [17]

Answer:

D

Step-by-step explanation:

The range of a function are the possible y-values (output values).

Options A and B are wrong, because the x-values are the input values.

The range is between -5 and -1 as shown in the graph (y-axis). The circle on the points are shaded so ‘≤’ is correct. Option C is wrong.

The range is greater than or equal to -5 and less than or equal to -1.

3 0
2 years ago
Which expression is equivalent to (5^3)^9/5^12.PLEASE HELP IMMEDIATELY
Trava [24]

Answer:

(5³)⁹/5¹² = 1

Step-by-step explanation:

(5³)⁹/5¹²

Add the exponents

5¹²/5¹²

Divide

1

3 0
3 years ago
Find the vertices and foci of the hyperbola with equation quantity x plus one squared divided by sixteen minus the quantity of y
katrin2010 [14]

Answer:

The vertices are (3 , -5) , (-5 , -5)

The foci are (4 , -5) , (-6 , -5)

Step-by-step explanation:

* Lets study the equation of the hyperbola

- The standard form of the equation of a hyperbola with  

  center (h , k) and transverse axis parallel to the x-axis is

  (x - h)²/a² - (y - k)²/b² = 1

- The length of the transverse axis is 2 a

- The coordinates of the vertices are  (h  ±  a  ,  k)

- The coordinates of the foci are (h ± c , k), where c² = a² + b²

- The distance between the foci is  2c

* Now lets solve the problem

- The equation of the hyperbola is (x + 1)²/16 - (y + 5)²/9 = 1

* From the equation

# a² = 16 ⇒ a = ± 4

# b² = 9 ⇒ b = ± 3

# h = -1

# k = -5

∵ The vertices are (h + a , k) , (h - a , k)

∴ The vertices are (-1 + 4 , -5) , (-1 - 4 , -5)

* The vertices are (3 , -5) , (-5 , -5)

∵ c² = a² + b²

∴ c² = 16 + 9 = 25

∴ c = ± 5

∵ The foci are (h ± c , k)

∴ The foci are (-1 + 5 , -5) , (-1 - 5 , -5)

* The foci are (4 , -5) , (-6 , -5)

4 0
3 years ago
Read 2 more answers
1/4+3/8 and show work, please!!
gregori [183]

Answer:

The answer is 5/8

Step-by-step explanation:

Step 1 : Convert both fractions so they have the same denominator (bottom number in the fraction.)

1/4 = 2/8

So now were dealing with :

2/8 + 3/8 = ?

Step 2 : Add the numerators together to get the numerator for our answer.

2 + 3 = 5

When adding two fractions with the same denominator the denominator stays the same, so our answer is 5/8.

Hope this helps, please mark brainliest. :) Have a nice day.

7 0
3 years ago
Read 2 more answers
If 100 bullets cost $80? how much would 1 bullet cost?
Lisa [10]

Each bullet would cost 100/80 = $1.25 if 100 bullets cost $80.

3 0
3 years ago
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