Classify 4x^3 – 8x^2- 4x^5

Mathematics

1 answer:

cestrela7 [59]3 years ago

3 0

b. TRINOMIAL

Step-by-step explanation:

Because there are 3 terms

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the sum of three numbers is 2100. the first number x is equal to the sum of the other two (y and z) which are equal to each othe

max2010maxim [7]

We will have a system of equations, and we are going to solve it by using substitution.
Let's make the equations.
x+y+z=2100
z+y=x
Since y and z are equal, I think it is easier for us to have them as one variable for now. Let the value of z and y be a.
These are the equations now.
x+2a=2100
2a=x
Since the second equation is giving the value of x, let it replace the value of x also in the first equation.
2a+2a=2100
4a=2100
2100÷4= 525
so, x and y equal 525. Let's put this in our original equation.
x+525+525=2100
x+ 1,050= 2,100
x= 1,050
So, x=1,050, y= 525 =z.

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3 years ago

Solve this equation:<br><br> α ÷ 6 + 4 = 16

Ilia_Sergeevich [38]

$\alpha \div 6 + 4= 16\\\\Subtract ~4~on~both~sides\\\\ \alpha \div 6 +4 -4 = 16 -4\\\\ \alpha \div 6 = 16 - 4\\\\ \alpha \div 6 = 12\\\\Multiply~both~sides~by~6\\\\a \div 6\times 6 = 12\times 6\\\\ \alpha = 12\times 6 \\\\ \boxed{\bf{\alpha = 72}}$

Your final answer is alpha = 72.

5 0

3 years ago

Read 2 more answers

Cesar and Jocelyn are planning their trips to three countries next year. There are 7 countries they would like to visit. One tri

tresset_1 [31]

Answer:

They need five weeks to make all their travels.

Step-by-step explanation:

Given that Cesar and Jocelyn are planning their trips to three countries next year.

One trip will be one week long, another two days, and the other two weeks.

In conclusion, they need five weeks to make this travel.

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