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Marizza181 [45]
3 years ago
6

Solve for m. 2 √5= 3 = 3 6+25 26-25 02.5-6

Mathematics
1 answer:
Sloan [31]3 years ago
5 0

Answer:

Simplify the matrix.

2√5=3=3,31,1,−3.5

Step-by-step explanation:

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Step-by-step explanation:the answer is option A as 1 • 3 =3 and 3+4=7

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Anna11 [10]

Answer:

see explanation

Step-by-step explanation:

(a)

x² + 2x + 1 = 2x² - 2 ( subtract x² + 2x + 1 from both sides

0 = x² - 2x - 3 ← in standard form

0 = (x - 3)(x + 1) ← in factored form

Equate each factor to zero and solve for x

x + 1 = 0 ⇒ x = - 1

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-----------------------------------

(b)

\frac{x+2}{3} - \frac{2}{15} = \frac{x-2}{5} ( multiply through by 15 to clear the fractions )

5(x + 2) - 2 = 3(x - 2) ← distribute parenthesis on both sides

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5x + 8 = 3x - 6 ( subtract 3x from both sides )

2x + 8 = - 6 ( subtract 8 from both sides )

2x = - 14 ( divide both sides by 2 )

x = - 7

--------------------------------------------

(c) Assuming lg means log then using the rules of logarithms

log x^{n} ⇔ nlogx

log x = log y ⇒ x = y

Given

log(2x + 3) = 2logx

log(2x + 3) = log x² , so

x² = 2x + 3 ( subtract 2x + 3 from both sides )

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6 0
3 years ago
Use the explicit formula an = a1 + (n – 1) • d to find the 250th term of the sequence below.
solmaris [256]
For this case we have the following equation:
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 Substituting the values:
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 Answer:
 
D.2298
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What is the solution to the following equation x^2 +3x+ 7=0
sineoko [7]

Answer:

x= -1.4 i think

Step-by-step explanation:

8 0
3 years ago
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