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3 years ago

3:4 and 4:5 equivalent?

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

8 0

Step-by-step explanation:

As a short answer NO

As a complete answer there's a decimal diference of 0.3333333333

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Solve for x Write both solutions, seperated by a comma 4x^2+5x+1=0

stiv31 [10]

Answer:

-1/4 , -1

Step-by-step explanation:

I solved it using Factorization method and Quadratic Equation .

Factorization Method

$4x^2+5x+1=0\\Write +5x- as- a -difference(write+5x-using- two- numbers -in-which-their-sum-is ; 5-and-their-product-is ; 4)\\4x^{2} +4x+1x+1=0\\Factorize-out-common-terms\\4x(x+1)+1(x+1)=0\\Factor-out-(x+1)\\(4x+1)(x+1)=0\\4x+1 =0 \\x+1=0\\4x=0-1\\x =0-1\\4x =-1\\x =-1\\4x=-\frac{1}{4} \\\\Answer = -1/4 , -1$

Quadratic Equation

$4x^2+5x+1=0\\a = 4\\b =5\\c = 1\\\\x =\frac{-b\±\sqrt{b^2 -4ac} }{2a} \\\\x = \frac{-(5)\±\sqrt{(5)^2-4(4)(1)} }{2(4)} \\\\x = \frac{-5\±\sqrt{25-16} }{8} \\\\x = \frac{-5\±\sqrt{9} }{8} \\\\x = \frac{-5\±3}{8} \\\\x =\frac{-5+3}{8} \\\\x = \frac{-5-3}{8} \\\\x = \frac{-2}{8} \\\\x = \frac{-8}{8} \\\\x = -\frac{1}{4} \\x=-1$

5 0

3 years ago

How many 12 letter words can be formed using the letters in the word "tessellation"?

Galina-37 [17]

Answer:

479001600

Step-by-step explanation:

You will want to use 12!.

12*11*10*9*8*7*6*5*4*3*2*1=

479001600

4 0

3 years ago

The valoe of these seven in 27,459 is how many times value of the 7 in 40,735

umka2103 [35]

27,459 --- 7,000

40,735 --- 700

7,000÷700 =10 times greater

6 0

3 years ago

*Please help, will thank and award brainliest*

babunello [35]

B attorney and notary fees
for apex!!

5 0

4 years ago

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Which of the following functions is graphed below?

Mnenie [13.5K]

Answer:

none of the above.

Step-by-step explanation:

Clearly something was printed incorrectly in this case because the only possible way to have a function even close to the one above that I know of is making a piece-wise function. The options below all make absolute value functions and look like a V shape. The graph above can almost not even be considered a function and is most definitely not a V shape.

4 0

3 years ago

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