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Elodia [21]
2 years ago
7

Complete the square for 5x^2-30x=5 brainly

Mathematics
2 answers:
Amanda [17]2 years ago
8 0

Answer:

(x-3)^2=10

Step-by-step explanation:

Stella [2.4K]2 years ago
5 0

Answer:

5(x-3)(x+2)=0

Step-by-step explanation:

5x^2-30x=5

5x^2-30x-5=0

5(x^2-6x-1)=0

5(x-3)(x+2)=0

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What expression defines Sn?
frutty [35]

Answer:

Sₙ=3(1/2^n)

Step-by-step explanation:

Notice that in the given series that each term is being multiplied by 1/2, which is our common ratio. 3/2 is the first term because 3*1/2=3/2, so the expression that defines Sₙ is Sₙ=3(1/2^n)

3 0
2 years ago
The largest of the Great Pyramids in Egypt was built with a square base, having edges that measured 754 feet and a height of 418
12345 [234]

Answer:

79,213,229 ft3

Step-by-step explanation:

The volume of a pyramid is given by the following formula:

Volume = (1/3) * B * h

Where B is the base area and h is the height.

The side of the base is 754 feet, so the base area is:

B = 754^2 = 568516 ft2

Then, the volume of the pyramid is:

Volume = (1/3) * 568516 * 418 = 79213229.33 ft3

Rounding to the nearest cubic foot, we have:

Volume = 79,213,229 ft3

3 0
2 years ago
Given f’(x), where is f(x) increasing? Where is f(x) concave up?
Levart [38]

Answer:

See explanation below

Step-by-step explanation:

a. f(x) is increasing at (-∞, 1] and [7, ∞) because f'(x) is positive at those intervals.

b. f(x) is concave up at [4, ∞) because the slope of f'(x) or f''(x) is positive.

3 0
3 years ago
Plz help ZOOM IN TO SEE IT CLEAR
MaRussiya [10]
The answer to the question is 1/5^3

5^5/5^8= 1/5^(8-5)= 1/5^3
8 0
3 years ago
How many terms are in this expression? 4x + 3y - 12x + 5
Vladimir79 [104]
There are 4 terms in the expression.

Terms are each of the entities.

4x,  + 3y ,  -12x,   +5
5 0
3 years ago
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