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elixir [45]
2 years ago
5

Please, show some work

Mathematics
2 answers:
Jobisdone [24]2 years ago
8 0

I can not see the photo

lidiya [134]2 years ago
5 0

9514 1404 393

Answer:

  A.  x -4y

Step-by-step explanation:

The first expression factors as ...

  = 2x(x -4y)

The second expression factors as ...

  = 3x^2(x -4y)

Factors that are common between these factorizations are ...

  x, (x -4y)

Of these, the one on your list of choices is ...

  x -4y

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NEED HELP RIGHT AWAY DONT HAVE ANY TIME TO WAIT!!
Fiesta28 [93]
Question 1:
------------------------

Total points = 100
Total question = 40
Type of questions : 2-points question and 4-points questions

Assumed all 40 questions are 2-points questions.
Total points = 40 x 2 = 80

Difference in points = 100 - 80 = 20 points
Difference in the 2 type of questions = 4 - 2 = 2

Number of 4 marks questions = 20 ÷ 2 = 10 

Number of 2 marks questions = 40 - 10 = 30

Answer: There are 10 4-marks questions and 30 2-marks questions.

------------------------------------------------------------------------------------------------

Question 2:
------------------------

Let x be the number of offices you need to clean.

Total cost = 315 + 4x
Total revenue = 25x

To break even,
315 + 4x = 25x
21x = 315
x = 15

Answer: You need to clean 15 offices to break even.

------------------------------------------------------------------------------------------------

Question 3:
------------------------

Total distance (including return trip) = 255 + 255 = 510 miles

Total time taken = 1.7 + 1.5 = 3.2 hours

Speed = Distance ÷ time

Speed = 510 ÷ 3.2 = 159.38 miles/hour

Answer: The average speed is 159.38 miles/hour

5 0
3 years ago
Read 2 more answers
Help me I need an answer today!!!!!!!
krek1111 [17]
The rate of change is 25 because it goes 25 50 75 100 think of it like quarters
4 0
3 years ago
Mai's penny bank is 7/10 full. After she removes 200 pennies, it is 1/2 full. How many pennies can Mai's bank hold?
777dan777 [17]
Mai's penny bank can hold 498 pennies without being full.
7 0
3 years ago
Read 2 more answers
5<b-3. whats the answer????
9966 [12]

Answer:

5<b-3

Add 3 on both sides

8<b

The variable will always go on the left side of the equation. To flip the equation, you must also flip the less than sign to a greater than sign.

b>8

Hope I helped!

8 0
3 years ago
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What is the probability that a two-digit number selected at random has a tens digit less than its units digit
Reika [66]

The probability that a two-digit number selected at random has a tens digit less than its units digit is 0.2667 (4/15).

A=24B=90\\\\P=A/B\\\\P=24/90\\p=4/15

There are 90 two-digit numbers (99-9). Of these, six numbers are divisible by 15 (15, 30, 45, 60, 75, 90). This is also divisible by 5. Therefore, the preferred case is 30-6 = 24. Therefore, the required probability is 24/90 = 4/15.

The probability of an event can be calculated by simply dividing the number of favorable results by the total number of possible results using a probabilistic expression. Whenever you are uncertain about the outcome of an event, you can talk about the probability of a particular outcome, that is, its potential.

Learn more about probability here: brainly.com/question/24756209

#SPJ4

6 0
2 years ago
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