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Alchen [17]
3 years ago
6

Which expression is equivalent to 4x - (3x2 + x) + 5 - (2x2 + 1)?

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0
4x - (3x^2 + x) + 5 - (2x^2 + 1)

4x + x - 3x^2 - 2x^2 + 5 + 1

= 5x - 1x^2 + 6

Therefore the equivalent is 5x - 1x^2 + 6
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30. -3a^2= -3-6^2 is this correct? And I have to evaluate o I am not good at that so if u can help THANK YOU so much!
almond37 [142]

Answer:

-3a^2= -3*(-6)^2

Step-by-step explanation:

-3a^2 = -3*a^2 = -3*(-6)^2

7 0
3 years ago
Question 1(Multiple Choice Worth 3 points) (02.06)The table below shows that 1 day equals 24 hours. Notice that 12 hours is one-
g100num [7]

9514 1404 393

Answer:

  2 1/4 days

Step-by-step explanation:

You could extend your table a bit to help answer this.

  (days, hours)

  (1, 24)

  (1/2, 12)

  (1/4, 6)

  (2, 48)

Now, we observe that 54 hours is 6 more hours than 48 hours, so will be 1/4 day more than 2 days.

54 hours is 2 1/4 days

4 0
3 years ago
Round 24.9652 to<br>1 decimal Place​
ankoles [38]

Answer:

2.5 one decimal rounding off means to make it to one decimal place.the no is 24.9652 if you want to round of then you have to put decimal after 2 only then it will be one decimal place .this is because when we see a number after the point greater than 5 then we add 1 to the right side .now if we add 1 to the right side of 24.9652 by rounding off and making it to one decimal place then it will be 2.5.

5 0
3 years ago
What is the value of X?*<br> Х<br> у<br> 60°<br> 5<br> 8.66<br> 5<br> 10.2<br> 60
Stella [2.4K]

8.66

that is the answer for me

4 0
2 years ago
suppose+a+study+claims+that+the+results+are+significant+at+the+1%+significance+level.+which+of+the+following+does+this+not+imply
Alenkinab [10]

The observed results would be very unlikely if the alternative hypothesis were true.

What does the alternative hypothesis mean?

A statement used in experiments using statistical inference is known as the alternative hypothesis. It is indicated by Ha or H1 and runs counter to the null hypothesis.

                 Alternatively, it is only a null-free option, as we can also state. An alternative theory is a claim that a researcher is testing in a hypothesis test.

What is an illustration of a different hypothesis?

Just like the null, the alternative hypothesis is an option. For instance, if your null is "I'm going to win up to $1,000" and your alternate is "I'm going to win $1,000 or more," you're essentially determining whether there is sufficient variance in the alternate hypothesis to allow you to reject the null hypothesis.

Learn more about alternative hypothesis

brainly.com/question/27335001

#SPJ4

3 0
1 year ago
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