2 years ago

X^2 + 12 =3 solve, give exact solution(s) no rounding or decimals

Mathematics

1 answer:

Papessa [141]2 years ago

5 0

Answer:0

Step-by-step explanation:

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809.65 that is the answer i think

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3 years ago

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Factor 5x2+10x-15 , please lend a helping hand if you will.

Usimov [2.4K]

The correct answer is: [B]: " (x + 3)(5x - 5) " .
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4 years ago

How do you get 40y from the difference of 2 squares with the problem (5y+4+3x)(5y+4-3x)? I understand distribution method. I don

otez555 [7]

Answer:

Step-by-step explanation:

(5y+4+3x)(5y+4-3x) = (5y+4)² - (3x)²......(from the difference of 2 squares )

by identity : (a+b)(a-b) = a² - b²

in this exercice ; a = 5y+4 and b = 3x

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3 years ago

Find the value of c, rounded to the nearest tenth A. 11 B. 14.3 C. 37.6 D. 7.4

Helga [31]

Answer:

D. The correct value of c = 7.4

Step-by-step explanation:

According to Tangent-Secant theorem:

"When a tangent and a secant are drawn from one single external point to a circle, square of the length of tangent segment must be equal to the product of lengths of whole secant segment and the exterior portion of secant segment."

Here, the external length of tangent segment = 10

Also, the length of internal segment is 14 and c.

So, by the SECANT THEOREM:

$(10)^2 = 14 \times c\\\implies c = \frac{100}{14} = 7.14$

or, c = 7. 1428

Now, rounding off the value of c = 7. 14 to the nearest tenth, we get

c = 7. 4

Hence the correct value of c = 7.4

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4 years ago

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Step-by-step explanation:

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3 years ago