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Mazyrski [523]
3 years ago
10

I need some help for two math questions.. [These are meant to solve for x btw]

Mathematics
1 answer:
Vaselesa [24]3 years ago
7 0

Answer:

x=S+bc/b+c

 x=S−2ab/2(a+b)

Step-by-step explanation:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

x=S+bcb+c

Isolate the variable by dividing each side by factors that don't contain the variable.

x=S−2ab2(a+b)

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in how many year will rs 8000 amount to rs 13824 at 20% per annum interest compounded annually? please please help me out​
icang [17]

Answer :-

<h3>3 years</h3>

step by step explanation:-

Let the time be x

principal = rs 8000

Amount = rs 13824

rate = 20% p.a

A = P(1+r/100)^n

13824 = 8000 ( 1 + 20/100)^n

=> 13824/8000 = (120/100)^n

=> 13824/8000 = (24/20)^n

=> (24/20)³ = (24/20)^n

=> 3 = n

=> n = 3 years

3 0
3 years ago
Noah had 3 boxes of marbles. Each box has 34 marbles. Noah gave Michelle 9 marbles from each box. How many marbles does Noah hav
Thepotemich [5.8K]
Noah has 75 marbles. Noah has more marbles. this is because 34 times 3 is equal to 102. since michelle takes 9 marbles from EACH box, 9 times 3 is 27. 102 minus 27 is 75

3 0
3 years ago
Which is equivalent to - (2x - 5y ) ?
WITCHER [35]

Answer:

-2x+5y should be the answer

hope that helps

8 0
3 years ago
Wen is factoring the polynomial, which has four terms.
Firdavs [7]

Answer:

2x(x + 3)(2x - 1)

Step-by-step explanation:

Given

4x³ + 10x² - 6x ← factor out 2x from each term

= 2x(2x² + 5x - 3) ← factor the quadratic

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 2 × - 3 = - 6 and sum = + 5

The factors are + 6 and - 1

Use these factors to split the x- term

2x² + 6x - x - 3 ( factor the first/second and third/fourth terms )

= 2x(x + 3) - 1(x + 3) ← factor out (x + 3) from each term

= (x + 3)(2x - 1)

Thus

4x³ + 10x² - 6x = 2x(x + 3)(2x - 1) ← in factored form

5 0
2 years ago
Read 2 more answers
For this graph, mark the statements that are true.
Goshia [24]

Answer:

B

Step-by-step explanation:

Just answer it

BBSJSSJJSNSNNSOAOOALAKA

4 0
2 years ago
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