9) Find the slope of the line. *

Mathematics

1 answer:

jarptica [38.1K]3 years ago

4 0

Answer:

should be 3

Step-by-step explanation:

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mart [117]

The answer is 21

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7 0

3 years ago

Evaluate 8.1p + 7.9r when p=7 and r=8

Ivenika [448]

Answer:

119.9

Step-by-step explanation:

(8.1)(7)+(7.9)(8)

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8 0

2 years ago

4^(4x-1)=32 <br><br> How do I solve this problem? Do I do 4 to the fourth power first?

yKpoI14uk [10]

Answer:

$\large\boxed{x=\dfrac{7}{8}}$

Step-by-step explanation:

$4^{(4x-1)}=32\\\\(2^2)^{4x-1}=2^5\qquad\text{use}\ (a^n)^m=a^{nm}\\\\2^{2(4x-1)}=2^5\iff2(4x-1)=5\ \ \text{use the distributive property}\ a(b+c)=ab+ac\\\\(2)(4x)+(2)(-1)=5\\\\8x-2=5\qquad\text{add 2 to both sides}\\\\8x=7\qquad\text{divide both sides by 8}\\\\x=\dfrac{7}{8}$