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3 years ago

I NEED HELP ! 2=log(3x+4)

Mathematics

1 answer:

dybincka [34]3 years ago

5 0

2=log(3x+4)

y = loga b a^y = b

since this is base 10

10^2 =3x+4

100 = 3x+4

subtract 4 from each side

96 =3x

divide by 3

32=x

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Two slits are illuminated by a 348 nm light. The angle between the zeroth-order bright band at the center of the screen and the

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Step-by-step explanation:

Given

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let distance between the slits be d

Distance of n th bright fringe From central Fringe is given by

$y_n=\frac{nD\lambda }{d}$

Also $\tan \theta =\frac{y_4}{D}$

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3 years ago

My living room is 6m (to the nearest m) by 5m (to the nearest m). What is the maximum and minimum area of my living room? Write

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Answer:

24.75m ≤ 30m < 35.75m

Step-by-step explanation:

Minimum area:

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Maximum area:

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I hope that makes some sense or helps a little!

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3 years ago

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3 years ago

Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and solv

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Answer:

The inequality to show how many hours of television Julia can still watch this week can be given as:

⇒ $x+1.5\leq 5$

where $x$ represents he number of hours of television that Julia can still watch this week

On solving for $x$ , we get

$x\leq3.5$

Thus, Julia can still watch no more than 3.5 hours of television this week.

Step-by-step explanation:

Given:

Julia is allowed to watch television no more than 5 hours a week.

She has already watched 1.5 hours

To write and solve an inequality to show how many hours of television Julia can still watch this week.

Solution:

Let the number of hours of television that Julia can still watch this week be = $x$

Number of hours already watched = 1.5

Total number of hours of watching television this week would be given as:

⇒ $x+1.5$

It is given that Julia is allowed to watch no more than 5 hours of television in a week.

Thus, the inequality can be given as:

⇒ $x+1.5\leq 5$

Solving for $x$

Subtracting both sides by 1.5

$x+1.5-1.5\leq 5-1.5$

$x\leq3.5$

Thus, Julia can still watch no more than 3.5 hours of television this week.

6 0

3 years ago