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Temka [501]
3 years ago
6

For each equation, decide if it is always true or never true. I WILL GIVE BRAINLESS AND 20 POINTS!

Mathematics
2 answers:
givi [52]3 years ago
6 0
A.No solution
B.no solution
C. True for all x
D. True for all x
E. X = 7
Whitepunk [10]3 years ago
3 0

A. x -13= x+1 (NO SOLUTION)

B. x + 1/2= x - 1/2 (NO SOLUTION)

C. 2(x + 3)=5x + 6 - 3x (TRUE)

D. x - 3 = 2x - 3 - x (TRUE)

E. 3(x - 5) = 2( x - 5) + 2 (TRUE)

I'm no sure what Im supposed to be doing-

But if I'm supposed to determine if true well there you have it

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Solve and graph the inequality 2|x-4|+3<15 on a number line
torisob [31]

Answer: 2< x < 10, closed circle at 2 and 10, line inbetween them

Step-by-step explanation:

4 0
3 years ago
Find the​ fourth-degree polynomial function with zeros 4​, -4, 4i ​, and -4i . Write the function in factored form.
Iteru [2.4K]

Given:

A fourth-degree polynomial function has zeros 4​, -4, 4i ​, and -4i .

To find:

The fourth-degree polynomial  function in factored form.

Solution:

The factor for of nth degree polynomial is:

P(x)=(x-a_1)(x-a_2)...(x-a_n)

Where, a_1,a_2,...,a_n are n zeros of the polynomial.

It is given that a fourth-degree polynomial function has zeros 4​, -4, 4i ​, and -4i. So, the factor form of given polynomial is:

P(x)=(x-4)(x-(-4))(x-4i)(x-(-4i))

P(x)=(x-4)(x+4)(x-4i)(x+4i)

P(x)=(x-4)(x+4)(x^2-(4i)^2)           [\because a^2-b^2=(a-b)(a+b)]

On further simplification, we get

P(x)=(x-4)(x+4)(x^2-4^2i^2)

P(x)=(x-4)(x+4)(x^2+16)                [\because i^2=-1]

Therefore, the required fourth degree polynomial is P(x)=(x-4)(x+4)(x^2+16).

6 0
3 years ago
What is the area of a circle with a radius of 5 units?
melamori03 [73]

Answer: A≈78.54

Step-by-step explanation:  A=πr2=π·52≈78.53982

6 0
2 years ago
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Find the slope of 4,5 8,3
andreev551 [17]

Answer:

The slope of (-4,3) (-8,5) is perpendicular to this line.

8 0
3 years ago
Please help me find the measure to side c and the process to solve the problem
jeka94

Answer:

c = 43

Step-by-step explanation:

sin theta = opposite side / hypotenuse

sin 28 = 20/c

Multiply each side by c

c sin 28 = 20/c *c

c sin 28 = 20

Divide each side by sin 28

c sin 28 /sin 28 = 20/sin 28

c = 42.60108936

To the nearest whole number

c = 43

4 0
3 years ago
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