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givi [52]
3 years ago
5

If 2^x=5, what is 2^3x-4

Mathematics
2 answers:
raketka [301]3 years ago
7 0

Answer:

121

Step-by-step explanation:

2^3x - 4 = (2^x )^3 - 4 = 125 - 4 = 121

Mars2501 [29]3 years ago
5 0
<h3><u>AnswEr :</u></h3>

\implies\tt 2^x = 5

\implies\tt \Big( 2^x \Big)^3 - 4

\implies\tt 125 - 4

\huge\implies\tt 121

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Write 9x² - 36x = 4y² + 24y + 36 in standard form
Kisachek [45]

Answer:

9·x² - 36·x = 4·y² + 24·y + 36 in standard form is;

(x - 2)²/2² - (y + 3)²/3² = 1

Step-by-step explanation:

The standard form of a hyperbola is given as follows;

(x - h)²/a² - (y - k)²/b² = 1 or (y - k)²/b² - (x - h)²/a² = 1

The given equation is presented as follows;

9·x² - 36·x = 4·y² + 24·y + 36

By completing the square, we get;

(3·x - 6)·(3·x - 6) - 36 = (2·y + 6)·(2·y + 6)

(3·x - 6)² - 36 = (2·y + 6)²

(3·x - 6)² - (2·y + 6)² = 36

(3·x - 6)²/36 - (2·y + 6)²/36 = 36/36 = 1

(3·x - 6)²/6² - (2·y + 6)²/6² = 1

3²·(x - 2)²/6² - 2²·(y + 3)²/6² = 1

(x - 2)²/2² - (y + 3)²/3² = 1

The equation of the hyperbola  is (x - 2)²/2² - (y + 3)²/3² = 1.

5 0
2 years ago
What is the domain of the function graphed?
ad-work [718]

Answer:

C lets look at were this line starts which is in between 7 and 8 right in the middle making it 7.5 it is negative because the point is on the negative side of our graph. Where the line ends in on positive 2 on the x-axis. -Your friend, Bill Cipher

Step-by-step explanation:

4 0
3 years ago
What's the difference between the high and low temperature in the thermometer? Highest temperature 20°F and the lowest temperatu
jenyasd209 [6]

Answer:

The difference between the high and low temperature in the thermometer is 23°F.

Step-by-step explanation:

Given information: Highest temperature = 20°F and the lowest temperature = -3°F.

We need to find the difference between the high and low temperature in the thermometer.

Difference between the high and low temperature is

Difference = Highest temperature - Lowest temperature

Difference = 20°F - (-3°F)

Difference = 20°F + 3°F

Difference = 23°F

Therefore the difference between the high and low temperature in the thermometer is 23°F.

8 0
3 years ago
Please Help Me!!! 50 Points
AysviL [449]
3 I think. If there is a graph shown that would help.
4 0
3 years ago
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irina [24]

Step-by-step explanation:

given,

6(p+6) - (p-6)

→ 6p + 36 - p + 6

→ 5p + 42 ans.

<em>hope </em><em>this </em><em>answer</em><em> </em><em>helps </em><em>you </em><em>dear.</em><em>.</em><em>.</em><em>take </em><em>care</em><em>!</em>

8 0
3 years ago
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