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Sonbull [250]
3 years ago
11

Solve the equation -3x(x-1)+7x=27

Mathematics
2 answers:
Rama09 [41]3 years ago
7 0

Answer:

6,5

Step-by-step explanation:

-3x(x-1)+7x=27

-3x²+1+7=27

-4x+1=27

4x=1-27

x=26/4

x=6,5

guapka [62]3 years ago
6 0

-3x^2 +3x + 7x = 27

-3x^2 +10x - 27 = 0

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Find the area of the triangle with the given measurements. A = 48°, b = 30 ft, c = 14 ft
Mariulka [41]

Answer:

  156.06 ft²

Step-by-step explanation:

The applicable formula for the area of the triangle is ...

  Area = (1/2)bc·sin(A)

Filling in the given numbers, you have ...

  Area = (1/2)(30 ft)(14 ft)·sin(48°) ≈ 156.06041335 ft²

The area of the triangle is about 156.06 square feet.

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Sufficient digits are provided here so that you can round to the precision you (or your computer) may desire.

3 0
3 years ago
Six bags of Takis costs $13.50. Five bags of Takis costs $10. Which has
viktelen [127]

Answer:

the correct answer is 5 bags

4 0
3 years ago
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Find the value of x in the triangle shown
nevsk [136]

Answer:

the answer is A the square root of 80.

Step-by-step explanation:

8 0
3 years ago
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What is the slope of the line represented by the table below?
gayaneshka [121]
9/5

If you choose two points you can find the equation change in y/change in x (y2-y1)/(x2-x1). Using the first two points this looks like:

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7 0
3 years ago
A group of 25 students want to see a drake concert. Tickets for members of drakes fan club cost $20 and tickets for no members c
Gwar [14]

<span>If you would like to know how many of each type of ticket were sold, you can calculate this using the following two equations:

a ... the number of drakes fan club tickets
s ... the number of no members tickets

$550 = a * $20 + s * $25 ... 550 = 20 * a + 25 * s
a + s = 25 ... a = 25 - s
__________________
</span>550 = 20 * a + 25 * s

<span> 550 = 20 * (25 - s) + 25 * s</span>

550 = 20 * 25 - 20 * s + 25 * s

550 - 20 * 25 = 5 * s

550 - 500 = 5 * s    /5

s = 50 / 5 

s = 10 tickets

<span>a = 25 - s = 25 - 10 = 15 tickets</span>

<span>Result: There were 15 drakes fan club and 10 no members tickets sold.</span>

6 0
3 years ago
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