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Kay [80]
3 years ago
10

sam is proving the product properly of logarithm. which expression and justification completes the third step of her proof

Mathematics
2 answers:
In-s [12.5K]3 years ago
4 0

Answer:

The answer is C on edge

stepladder [879]3 years ago
3 0

Answer:

I think It is multiplication

Step-by-step explanation:

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write the equation of the line, with the given properties, in slope-intercept form. slope = -5, through (-4,4)
Daniel [21]

Answer: y=-5x-16

Step-by-step explanation:

Since we are given the slope and the point, we can plug in the point to solve for y-intercept.

4=-5(-4)+b          [multiply]

4=20+b               [subtract both sides by 20]

b=-16

Now, we know the equation is y=-5x-16.

3 0
3 years ago
Please help, I will mark Brainliest.
Goshia [24]
It’s rational because the square root of 0.49 is 0.7
3 0
3 years ago
1) What is 5/7 x 3/5? A)2/3 B)2/9 C)3/7 D)5/4
Yuliya22 [10]

Answer: 3/7

Step-by-step explanation:

8 0
3 years ago
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Find the area of this shape.
ch4aika [34]
The top part of the shape is 8x6 and the bottom part is 6x6 so the answer is 84
3 0
3 years ago
1. What is the extraneous solution of √x−3 + x = 9?
Sunny_sXe [5.5K]

Answer:

1. x = 12

2. 3∛4 feet.

Step-by-step explanation:

1. We are given the equation of x as \sqrt{x - 3} + x = 9 and we have to find the extraneous solution of the equation.

Now, \sqrt{x - 3} + x = 9 ............. (1)

⇒ \sqrt{x - 3} = 9 - x

Squaring both sides we get,

⇒ x - 3 = 81 - 18x + x²

⇒ x² - 19x + 84 = 0

⇒ x² - 12x - 7x + 84 = 0

⇒ (x - 12)(x - 7) = 0

⇒ x = 12 or 7.

Now, putting x = 12 in the equation (1) we get,

\sqrt{12 - 3} + 12 \neq   9

Again, putting x = 7 in the equation (1) we get,

\sqrt{7 - 3} + 7 = 9

Therefore, x = 12 is an extraneous solution of this equation. (Answer)

2. The volume of a cube with side lengths a ft. is given to be 108 ft³.

So, a³ = 108

⇒ a = 3∛4 feet.

Therefore, the length of the sides of the cube are each 3∛4 feet. (Answer)

3 0
3 years ago
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