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2 years ago

Simplify: −4(2(−4)+3)+4(12÷4)

Mathematics

2 answers:

VikaD [51]2 years ago

8 0

The right answer is 32.

Look at the attached picture

Hope it helps

Good luck on your assignment

serg [7]2 years ago

3 0

Answer:

Step-by-step explanation:

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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.

3 0

3 years ago

A point R (-2,5) is mapped to point R',as described by a translation of 6 units to the rights and 7 units down.Mark R' on the co

laila [671]

Answer:

(4, -2)

Step-by-step explanation:

Given a point R (-2,5), if the point R' is described by a translation of 6 units to the rights and 7 units down, then the coordinate of R' will be;

6 units to the rights is towards the positive x axis

7 units down is towards the negative y axis

R' = (-2+6, 5-7)

R' = (4, -2)

Hence the coordinate point of R' on the plane is (4, -2)

4 0

2 years ago

Help help help please

Veronika [31]

Answer:

{9,14,20}

Step-by-step explanation:

hope it helps

8 0

2 years ago

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A company that sells home and kitchen products online is tracking the number of visitors on their website overnight to determine

olchik [2.2K]

Answer:

Step-by-step explanation:

its A

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2 years ago

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The circumference of a circle is 71 π m. What is the area, in square meters? Express your answer in terms of π.

Svetach [21]

The area of the circle is 1260.25 π m^2

8 0

1 year ago