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azamat
3 years ago
14

2log2 8 – 3 logs 25 + 2x = log 10,000 may you show the steps please

Mathematics
1 answer:
anzhelika [568]3 years ago
8 0

Answer: x=2 - 1/2 x ㏒(16/2953125)

Step-by-step explanation:

  • log (28^2) + log(525^-3) + 2x=log(10^4)
  • log(28^2 x 1/523^3) + 2x=4
  • log(28^2/525^3) + 2x=4
  • log (112/75 x 75 x 525) + 2x=4
  • log(16/2953125) + 2x=4
  • 2x=4-log(16/2953125)
  • <u><em>x=2-1/2 x log(16/2953125)</em></u>

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I need help ASAP help me plzzzzzz
anzhelika [568]
The answer is A because you need to find the unit rate of each cost
Since $2.80 is for 2 liters, do 2.80/2 which equals 1.4. So that’s the cost for one liter
Then, 6 half liter bottles is just 3 liters because 6*1/2= 3. Then to find the unit rate for that, do 3.90/3 which equals 1.3.
So the first option is $1.40 per liter and the second option is $1.30 per liter so the first option is more expensive- the 2-liter bottle, and the cost for that is 1.40
Hope this helps:))
4 0
3 years ago
Teresa is 25 years old, and she makes $30,000 per year. If Teresa were to die,
REY [17]

Answer:

They would receive $22,500 which is 75% of her income

Step-by-step explanation:

Here, we want to know how much the beneficiaries of a life insurance scheme would receive if their principal die.

From the question, we are told that they have the right to claim 75% of her income

From the question also, we were told that what she earns per annum is $30,000

Now, since they have the right to claim 75%, the amount they can claim out of the said income will be;

75/100 * $30,000 = $22,500

3 0
4 years ago
Classifying linear systems
ryzh [129]

Answer:

parallel

Step-by-step explanation:

3x = -2 - y   will turn into y = -2 - 3x

4 + y = -3x + 1 will turn into y = -3 - 3x

so the lines will be next together (parallel)

6 0
4 years ago
0: Jimmy is installing a gravel path along the diagonal of a rectangular garden. The garden measures 24 feet wide by 32 feet lon
murzikaleks [220]

Answer: it will cost $280

Step-by-step explanation:

The diagonal of the rectangular garden divides it into two equal right angle triangles. The diagonal represents the hypotenuse of each right angle triangle. The length and width of the rectangle represents the adjacent and opposite sides of the right angle triangle. To determine the length of the diagonal, d, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

Therefore

d² = 24² + 32²

d² = 576 + 1024 = 1600

d = √1600

d = 40 feet

If the path is 2 feet wide, then the area of the path is

Area = 40 × 2 = 80 ft²

If gravel costs $3.50 a square foot, then the cost to install the gravel path is

3.5 × 80 = $280

8 0
4 years ago
X + 3x= solve pleasee
makkiz [27]

Answer:

2x

Step-by-step explanation:

x-x+3x-x

2x

7 0
4 years ago
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