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otez555 [7]
3 years ago
15

Please help guys usa test prep. and i hope u are haveing a good day/night :3

Mathematics
1 answer:
ELEN [110]3 years ago
7 0

Answer:

I think a and c are correct sorry if I'm wrong but I hoped I helped <3

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Multiply the polynomial x (3x-1)(2x+5) also what is the degree of the polynomial
Readme [11.4K]

Answer:

Result after multiplication of polynomial is: 6x^3+13x^2-5x

Degree of polynomial = 3

Step-by-step explanation:

The given polynomials are:

x(3x-1)(2x+5)

In order to multiply the given polynomials we have to work step by step. First of all the polynomials in the bracket will be multiplied and then their result will be multiplied with x.

So, multiplying the polynomials in round brackets first

=x(3x-1)(2x+5)\\= x\{3x(2x+5)-1(2x+5)\}\\=x\{6x^2+15x-2x-5\}\\=x(6x^2+13x-5)

Now multiplying with x

= 6x^3+13x^2-5x

Degree of a polynomial is the highest exponent of variable in the polynomial.

In the acquired result, the highest exponent of x is 3 so the degree is 3.

Hence,

Result after multiplication of polynomial is: 6x^3+13x^2-5x

Degree of polynomial = 3

3 0
3 years ago
Write an equation in the variables x and y for the line that passes through the point (4, 7) and that is perpendicular to the li
Brrunno [24]

First of all, we need to find the slope of the given line, writing it in the y=mx+q form and reading the m coefficient:

2x + 2y = 14 \iff 2y = -2x + 14 \iff y = -x+7

So, the slope is -1

If a line with slope m' is perpendicular to a line with slope m, the following relationship holds:

mm' = -1

So, the slope of our line must satisfy

m(-1) = -1 \iff m=1

So, we need the equation of a line with slope 1 and passing through (4,7). Given the slope m and a point (x_0,y_0) of a given line, its equation is given by

y-y_0 = m(x-x_0)

So, if you plug your values, you have

y-7=1\cdot(x-4) \iff y = x+3

8 0
3 years ago
Find the H.C.F of 144,180,240,300​
aliina [53]
Answer:
GCF = 12

for the values 144, 180, 240, 300

Solution by Factorization:

The factors of 144 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

The factors of 180 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180

The factors of 240 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240

The factors of 300 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300

Then the greatest common factor is 12.
8 0
3 years ago
Read 2 more answers
Solve the inequality <br><br> M + 9 &gt; 6
ziro4ka [17]

Answer:

m>-3

Step-by-step explanation:

6-9 = -3

m>-3

5 0
3 years ago
Jack needs 22 pirate for every two pirate ships he Manages
solniwko [45]

Answer:

Hi there! There is only one part of a question. I‘m not sure how to help you...

Sorry! Have a good day/night!

Step-by-step explanation:

3 0
3 years ago
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