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tekilochka [14]
3 years ago
9

2x3-4x2 + 6x -3 X3+ 6x2 -8x + 12 -3x3+ 2x2 - 4x-7

Mathematics
2 answers:
galben [10]3 years ago
5 0
Wish i can help but find this pretty confusing:(
Sever21 [200]3 years ago
3 0

Answer:

Sorry I cant help:(

Step-by-step explanation:

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I will mark u brainlist if u answer find the mistake... 4x + x = 30 –6 4x = 24 4 24 4 4 x x = 6
Jlenok [28]

Answer:

The mistake is that 4x+x = 5x  not 4x

Step-by-step explanation:

4x + x = 30 –6

Combine like terms

5x = 24

Divide each side by 5

5x/5 = 24/5

x = 24/5

The mistake is that 4x+x = 5x  not 4x

4 0
3 years ago
. Which of the following situations is best represented by the equation y = x + 15?
Setler79 [48]

Step-by-step explanation:

= 30 djdjsbdjdbdbdu djsjsbs

8 0
2 years ago
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Find y. Please help!
Anit [1.1K]

Answer:

y\approx 11.9

Step-by-step explanation:

Here, we have the known angle sandwiched between two known sides.

So, we have SAS.

And we want to find the side opposite to the angle.

Therefore, we can use the Law of Cosines:

c^2=a^2+b^2-2ab\cos(C)\\

Again, it is important what we substitute.

a and b are the two side lengths. So, we will substitute 8 for a and 13 for b.

C is our angle. So, substitute 64 for C.

And c is what we’re trying to solve.

Therefore:

c^2=(8)^2+(13)^2-2(8)(13)\cos(64)

Simplify:

c^2=64+169-208\cos(64)

Add:

c^2=233-208\cos(64)

Take the square root of both sides:

c=\sqrt{233-\cos(64})

Use a calculator. So, c is approximately:

c\approx11.9

The c is our y. So, y is approximately 11.9 units.

4 0
3 years ago
What is a way that you can write 83.041 in notation form?
Ann [662]
83.041 in notation form is 80+3+.04+.001
7 0
3 years ago
What are two daily activities that can be viewed as a math problem?
Maksim231197 [3]

Answer:

Math Helps You Build Things

Math is in the Grocery Store

Step-by-step explanation:

To create something of lasting value out of raw materials requires creativity, the right set of tools, and a broad range of mathematics.

Grocery shopping requires a broad range of math knowledge from multiplication to estimation and percentages.

7 0
3 years ago
Read 2 more answers
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