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3 years ago

Please answer ASAP! (No explanation needed!) :)

Mathematics

2 answers:

True [87]3 years ago

5 0

Answer: the answer is C

Step-by-step explanation:

a_sh-v [17]3 years ago

3 0

Answer:

the answer is C

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Write an expression for the sequence of operations described below.

melisa1 [442]

T to the 4th power then multiply by 3.

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3 years ago

PLEASE HELP ASAP

maria [59]

Answer:

First option: $3x^2-5x=-8$

Second option: $2x^2=6x-5$

Fourth option: $-x^2-10x=34$

Step-by-step explanation:

Rewrite each equation in the form $ax^2+bx+c=0$ and then use the Discriminant formula for each equation. This is:

$D=b^2-4ac$

1) For $3x^2-5x=-8$ :

$3x^2-5x+8=0$

Then:

$D=(-5)^2-4(3)(8)=-71$

Since $D$ this equation has no real solutions, but has two complex solutions.

2) For $2x^2=6x-5$ :

$2x^2-6x+5=0$

Then:

$D=(-6)^2-4(2)(5)=-4$

Since $D$ this equation has no real solutions, but has two complex solutions.

3) For $12x=9x^2+4$ :

$9x^2-12x+4=0$

Then:

$D=(-12)^2-4(9)(4)=0$

Since $D=0$ this equation has one real solution.

4) For $-x^2-10x=34$ :

$-x^2-10x-34=0$

Then:

$D=(-10)^2-4(-1)(-34)=-36$

Since $D$ , this equation has no real solutions, but has two complex solutions.

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3 years ago

Which statement is true

timofeeve [1]

Answer:

The third one.

Step-by-step explanation:

Hope this helps.

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3 years ago

Circle O shown below has a radius of 21 inches. Find, to the nearest tenth, the radian

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Answer:

He's right it's 0.8 I got the answer right thanks a lot dude

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Step-by-step explanation:

please don't take this the wrong way

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