2 years ago

Factor Completely: 9x^2-25

1 answer:

6 0

Answer:

(3x+5)(3x−5)

Step-by-step explanation:

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ryzh [129]

Answer:

TanФ=-1.793

Step-by-step explanation:

$Sin^{2} (A) + Cos^{2} (A) = 1$

$Sin(A)=\sqrt{1-Cos^{2} (A)}$

$Tan(A) = \frac{Sin(A)}{Cos(A)}$

$Tan(A) =\frac{\sqrt{1-Cos^{2}(A) } }{Cos(A)} \\Tan(A) =\frac{\sqrt{1-(-.487)^{2} } }{-.487}=-1.793433202$

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alukav5142 [94]

Y=5x+3. because your y axis is moved

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3 years ago

r-ruslan [8.4K]

Answer:

The t-distribution is used.

Step-by-step explanation:

When we dont know the standard deviation of the population, we use the t-distribution(t-table).

Otherwise, the z-distribution(z-table) is used.

So the answer to this question is the t-distribution.

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jok3333 [9.3K]

The amount if the original cost of the head board is $12.24

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2 years ago

Zanzabum

F(x)=5x-2
y=5x-2
y=5(3)-2
y=15-2
y=13

so the answer is B. 13

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3 years ago