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AnnZ [28]
3 years ago
14

3x² + 2x + 2 + 4x² + 5 Simplify​

Mathematics
1 answer:
Natalka [10]3 years ago
6 0

Answer: 7x^2 + 2x + 7

Step-by-step explanation:

Combine likes terms that have alike variables and alike exponents.

(3x^2 + 4x^2) + (2x) + (2 + 5)

7x^2 + 2x + 7

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PLZ PLZ HELP ME I NEED THIS FOR ONE OF MY FIANLE ASSIGNMENTS OF THE YEAR AND WHOEVER ANSWERS CORRECTLY WILL GET BRAINLEST
gogolik [260]

5×4=20 is closer to 24.9344.

487 \times 512=24.9344

Let's try placing the decimals after the hundreds place.

4.87 \times 5.12=24.9344

It works.

There is more than one possibility.

.487 \times 51.2=24.9344

48.7 \times .512=24.9344

7 0
2 years ago
Please help I need help
qaws [65]

The first answer of part A is 32

So 4y means you have to multiply 4 by y, which is 20 since 4x5=20

And then you add 12, which is 32.

The second answer to part A is 40

With the second question of part a, the expression is basically saying 4 times whatever 5+3 is. So 5+3= 8, and 4(8) is 40

For part B, they are equivalent because let’s pretend y=2. 12+4y= 20. And then 4(y+3) would equal 20 because 4(2)=8 and 4(3)=12 and 8+12=20. This might not be the answer that your teacher is looking for, but it’s still a right answer so technically they can’t say it’s wrong unless you have a super unfair teacher

3 0
2 years ago
The sum of the angle measures of a polygon with n sides is 18001800. find n.
Contact [7]
Using
(n-2)180 = 18001800
(n-2) = 18001800÷180
n-2 = 100010
n = 100010+2
n= 100012 sides
5 0
2 years ago
The longest side of an obtuse triangle measures 20 cm. The two shorter sides measure x cm and 3x cm.
laiz [17]
The answer to your question would be 6.3
7 0
3 years ago
Read 2 more answers
I need to use the method of elimination for this math problem.
Mumz [18]

Answer:

Step-by-step explanation:

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