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SpyIntel [72]
4 years ago
6

State the quadratic formula.

Mathematics
2 answers:
meriva4 years ago
5 0

if you mean this, then  ax^{2} + bx + cx = 0

if you mean this, then  x = \frac{-b±\sqrt{b^{2} - 4 (a) (c) } }{2(a)} *ignore the a thingy in between the -b and ±

hope this helps! ❤ from peachimin

Pavel [41]4 years ago
4 0

In the Quadratic Formula, the expression underneath the radical symbol determines the number and type of solutions the formula will reveal. This expression, b2 – 4ac, is called the discriminant of the equation ax2 + bx + c = 0.


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Mandarinka [93]

Answer:

$4000

Step-by-step explanation:

Given that :

Volume of cube = 8000 ft³

Charge per ft² = $10

Recall, volume of a cube = a³

Where a = edge

Hence,

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Take the cube root of both sides

a = 20

Hence,

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The Area of the floor will be :

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8 0
3 years ago
4. Find the value of k, if x = 2, y=1 is a solution of the equation 2x + 3y=k.​
icang [17]

Answer:

k=7

Step-by-step explanation:

first, plug in the given values

2x+3y=k --> 2(2)+3(1)=k

-->4+3=k

-->7=k

k=7

3 0
3 years ago
A middle school cafeteria found out that 10 out of every 35 students pick low-fat milk to drink for lunch. Based on this informa
Vitek1552 [10]

Answer:

340

Step-by-step explanation:

x = number students who choose low-fat milk

set up a proportion:  \frac{10}{35} = \frac{x}{1190}

cross-multiply:  35x = 11900

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4 0
3 years ago
Referring to the figure, find the volume of the solid shown. Round to the nearest whole number. Will mark brainliest...
nirvana33 [79]

Answer:

648

Step-by-step explanation:

FInd volume of bottom half (9x6x12)

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4 0
3 years ago
suppose you have car loans 21,000 after 3,000 down payment. the interest rate is APR=3.6% and the loan term is 6 years. what are
Ymorist [56]

Answer:\

388,000

Step-by-step explanation:

21,000-3,000=18,000

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18,000x21.6=388,000

3 0
3 years ago
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