2 years ago

Pls help me! Answer all 5 questions and will get brainliest!!!!

Mathematics

2 answers:

Rom4ik [11]2 years ago

5 0

Answer:

1)B

2)C

3)B

4)A

5)C

Step-by-step explanation:

BrainLiest please

GalinKa [24]2 years ago

4 0

Here is what i got
29: c
28.a
25.d
30.a

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zubka84 [21]

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3 years ago

Is 4x=2(2x-2) A no solution or one solution or infinite solution

maxonik [38]

Answer:

no solution

Step-by-step explanation:

2 x 2x, 2 x -2, you now have 4x=4x-4, subtract 4x and 4x and you are left with -4

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3 years ago

Jeremys father is 11 less than jermeys age squared.if Jeremy’s father is 53, how many years older is Jeremy’s father than Jeremy

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Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Given the polynomial 2x3 + 18x2 − 18x − 162, what is the value of the coefficient 'k' in the factored form?2x3 + 18x2 − 18x − 16

s344n2d4d5 [400]

Answer:

$k=3$

Step-by-step explanation:

Let

$f(x)=2x^3+18x^2-18x-162$

We factor 2 to obtain;

$f(x)=2(x^3+9x^2-9x-81)$

We factor the polynomial within the parenthesis by grouping.

$f(x)=2(x^2(x+9)-9(x+9)$

$f(x)=2(x^2-9)(x+9)$

$f(x)=2(x^2-3^2)(x+9)$

We apply difference of two squares on the second factor: $x^2-3^2=(x-3)(x+3)$

$f(x)=2(x+3)(x-3)(x+9)$

We now compare to;

$f(x)=2(x+k)(x-k)(x+9)$

It is now obvious that $k=3$

6 0

3 years ago

Is the square root of -11.2 a rational number?

Schach [20]

No, it is an imaginary number.
Can't take the square root of a negative number without creating a method termed an imaginary number, which is the square root of -1 which they have used " i " to signify.
Then square root of -11.2 would be written Sqrt(11.2)i. The Sqrt(11.2) = 3.3466
so the answer is 3.3466i

5 0

3 years ago