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IrinaK [193]
2 years ago
15

PLZ PLZ PLZ HELPPPP

Mathematics
1 answer:
Andrews [41]2 years ago
5 0

Answer:

LCD is 6

first choice

Step-by-step explanation:

least common denominator of 2 and 3 is 6

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Simplify <br><br> -a^2(9a^2+4)+8a^4
Varvara68 [4.7K]
<span><span>−<span>a<span><span>​4</span><span>​​</span></span></span>−4 <span>a<span>​2 is the answer for your question. </span></span></span><span><span>​​</span></span></span>
3 0
3 years ago
Which expression is equal to (−4x2−1)(2x2+3)?
Leya [2.2K]

Answer:

The first one:

−8x4−14x2−3

Step-by-step explanation:

(-4•2-1)(2•2+3)

-4•2 = -8

-8 - 1 = -9

(-9)(2•2+3)

2•2 = 4

4+3 = 7

(-9)(7) = -63

Now we find the one that equals -63:

-8•4-14•2-3

(-8•4)-14•2-3

-32-14•2-3

-32-(14•2)-3

-32-28-3

(-32-28)-3

-60-3

-60-3 = -63

BAM! THE ANSWER!

7 0
3 years ago
Read 2 more answers
(3x - 20°<br> (3x – 20)°<br> 4xº<br> 4xº<br> (3x – 20°<br> (3x – 20)<br> What is the value of x?
sergij07 [2.7K]

Step-by-step explanation:

<h3>this is given that the figure is a hexagon</h3><h3>let give a name to the given hexagon be ABCDEF</h3>

<h3>Angle a + B + C + D = 720 ( Ls sum pro. of hexagon)</h3><h3>3x-20+3x-20+4x+4x+3x-20+3x-20 = 720</h3><h3>3x+3x+3x+3x+4x+4x-20-20-20-20 = 720 (rearranging)</h3><h3>20x - 80 = 720</h3><h3>20x = 720 + 80 </h3><h3>x=800/20</h3>

<h2>x = 40 degrees </h2>

<h3>3x-20 = 100</h3><h3>4x = 160</h3>

<h2>I HOPE THAT THIS ANSWER HELPS YOU</h2>
8 0
2 years ago
Which of the following scenarios exhibits a function relation? Take the first set listed to be the domain of the relation.
Anna71 [15]
D. The set of people with Social Security Cards and the set of Social Security numbers. 
Is the scenario that exhibits a function relation.

A function is a set of ordered pairs wherein each x-element has only ONE y-element associated with it.

Choice D is a function because only one person corresponds to a single specific social security number.
3 0
3 years ago
How many terms are in the algebraic expression -7 + 12x4 - 5y8 + x?
Mazyrski [523]

Answer:

4

Step-by-step explanation:

Each mix of numbers and letters that is separated by a + or a - is a term.

5 0
2 years ago
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