All categories

2 years ago

How to solve log and exponential equations

Mathematics

2 answers:

IceJOKER [234]2 years ago

4 0

To be honest idk I’m jus tryna get 100%

alexandr402 [8]2 years ago

4 0

Answer:

9/2

Step-by-step explanation:

logs with the same bases (base 2 in this case) can be combined. the subtraction sign means it division so can combine to

logbase2((4x+1)/(3x-4)) = 1

and bc it's log, you can think of it like 2 to the power of 1 is ((4x+1)/(3x-4))

2 =((4x+1)/(3x-4))

aka 6x-8 = 4x +1

ala 2x = 9

x = 9/2

You might be interested in

A recipe calls for 3 cups of sugar and 9 cups of water. How many cups of water should be used with 12 cups of sugar?

Yuki888 [10]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

How do I solve this?

maksim [4K]

Answer:

Answer A represents this

x <= -3 ; x > 9

Step-by-step explanation:

Isolate x on each of the inequalities:

4 x + 4 <= - 8

subtract 4 from both sides

4 x <= - 12

divide both sides by 4 to isolate x completely (notice 4 is positive, so there is NO flipping of the inequality symbol)

x <= -3

This inequality is represented by shading the left section of the number line starting at x = -3 (make sure you draw a SOLID dot to mae clear that the point x = -3 is also included in your drawing.

The other inequality:

11 x - 11 > 88

add 11 to both sides

11 x > 99

divide both sides by 11 to isolate x (notice again that 11 is a positive number, so the inequality doesn't change with the division)

x > 9

This inequality is represented by shadowing the right hand side of the number line starting at x = 9. Make sure you draw an EMPTY dot on the number 9 to indicate that x = 9 is NOT included.

4 0

3 years ago

Is the expression 7 (6x-8y) equal to 42x-56y

Bond [772]

Yes☺
you are right 7 times 6 is 42 and 7 times. 8 is 56

3 0

3 years ago

Read 2 more answers

A 12-issue magazine subscription costs $36. What is the average cost per issue of the magazine?

Natasha2012 [34]

$3
its like a pack of 12 magazines costing $36 and you asked the cost of one magazine
by proportion; let average be=?
12~$36
1~?
1/12=?/36
?=(1/12)*36
?=3=average

7 0

3 years ago

I need to find the area of the shaded region, but I need detailed steps

olasank [31]

The shaded region is a parallelogram.

The formula for the area of any parallelogram is $A=bh$ .

The base of the parallelogram is 2 meters long (given).

The height of the parallelogram is 9 meters (do not be fooled by the unnecessary information of 14 meters)
The height is 9 meters because the height has to be perpendicular to the base. Thus, the side length must be 9 meters.

Multiply them together.

$2 \times 9 = 18$

The area of the parallelogram is 18 square meters.

7 0

3 years ago