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belka [17]
3 years ago
13

Find a polynomial, which if substituted for M will make the equation an identity: (4c^2–7c^2+6)–M=0

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

-3c^2 +6

Step-by-step explanation:

The equation will be an identity (0=0) when M is equal to the contents of the parentheses. That polynomial can be used directly, or it can be simplified by combining the c^2 terms.

The contents of parentheses simplify as follows:

... (4c^2 -7c^2 +6) = (c^2(4 -7) +6) = (-3c^2 +6)

xenn [34]3 years ago
7 0

Answer:

-3c^2 +6

Hope this helps



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Please help 20 points⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️
xz_007 [3.2K]

Answer:

BC equals 5

Step-by-step explanation:

they are parallel to each other making them equal sides

5 0
3 years ago
Together, teamates Pedro and Ricky got 2685 base hits last season. Pedro had 281 more hits than Ricky. How many hits did each pl
Alenkasestr [34]
All we need to do it subtract 281 from 2685 and divide that number by 2 to find out how many base hits Ricky made.
2685 - 281 = 2404
2404/2 = 1202
So Ricky made 1202 base hits
To find out how many Pedro made, just add 281 to Ricky's number and you have your answer
1202 + 281 = 1483
Hope that helps! :)
3 0
3 years ago
Beinggreat78 please answer fast
NARA [144]

Answer:

Option B, 24 feet

Step-by-step explanation:

<u>Step 1:  Determine the perimeter</u>

To find how much fence we will need to go around the garden means that we need to find the perimeter.  In order to find the perimeter we need to add up all of the sides which we can do using the formula below.

P = 2(w + l)

P = 2(5\ ft + 7\ ft)

P = 2(12\ ft)

P = 24\ ft

Answer: Option B, 24 feet

4 0
2 years ago
Can someone explain number five??
vazorg [7]

Remark

You have 40 dollars to spend.

<em><u>AT & T</u></em>

Let the number of minutes = M

A. 20 + 0.10*M ≤ 40  

B. 20 + 0.10*M ≤ 40     Subtract 20 from both sides.

20 - 20 + 0.10M ≤ 40 - 20

0.10M ≤ 20                   Divide by 0.10

0.10M/0.10 ≤20/0.10

M≤ 200 minutes.

Verizon

A

15 + ( M ≥ 300)*0.50 ≤ 40

B

15 + ( M ≥ 300)*0.50 ≤ 40                   Subtract 15 from both sides.

(M≥300)*0.50 ≤ 25

(M≥300) ≤ 50 minutes.

This last one is a good deal more complicated. What it means is that if you are under 300 minutes, you pay only 15 dollars. If you are over 300 minutes, you can only go 50 more minutes before over extend your budget.

Part  C

These are alike in that they have a flat rate associated with them and both have a budgeted amount that has to be obeyed.

They are quite different in what they offer. The second plan is for people who use their cell phone quite a bit. For people like us (emergency only), the first plan is much better. We would always be within our 40 dollar limit. We don't use our cell but maybe 10 - 15 minutes a month on average.

Part D

I can't answer this for you. It depends on where you live and who offers you the best coverage. I would pick the first one, but that doesn't mean that it would be best for you.

5 0
3 years ago
15. True or False: Is x = 4 a solution to X + 51 = -9<br> True<br> False
Ivenika [448]

Answer:

False, also the typed version of this problem does not actually use the expression in the accompanying screenshot. That clearly reads as x + 5

Step-by-step explanation:

The problem, assuming x = 4 can be read as 4 + 5. Simple math dictates this would equal nine and as there is no negative to either number nor a negative outside of the lines surrounding the problem itself the solution is simple and leads to a false answer.

3 0
3 years ago
Read 2 more answers
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