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Ugo [173]
3 years ago
14

What is the quotient to the expression x^2-16/x+4

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0

Answer:

Step-by-step explanation:

If you're dividing x^2 - 16 by  x - 4, please enclose the x - 4 inside parentheses.  Thanks.

 x^2 - 16        (x + 4)(x - 4)

--------------- = -------------------  = (x - 4)  ONLY for x ≠ -4, because

    x + 4              x + 4               division by zero is not defined.

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Factorise 4y^2 – 4y + 1
Alona [7]

Answer:

(2y-1)^{2}

Step-by-step explanation:

4y^{2} -4y+1

Sum = -4

Product = 1

Factors = -1 , -1

(2y-1)^{2}

4 0
3 years ago
53 POINTS please help :))
oksano4ka [1.4K]

Answer:

See below

Step-by-step explanation:

<u>Mercury-2.3 cm </u>   The hundreths value isn't greater than 5, so the tenths stays the same.

<u>Venus - 4.3 cm</u>      The hundreths value isn't greater than 5, so the tenths stays the same.

<u>Earth-6 cm</u>            There is no hundreths value so the tenths stays the same.

<u>Mars-9.1 cm</u>           The hundreths value isn't greater than 5, so the tenths stays the same.

<u>Jupiter- 31.1 cm</u>      The hundreths value isn't greater than 5, so the tenths stays the same.

<u>Saturn- 57.4 cm</u>     The hundreths value <u><em>is</em></u> greater than 5, so the tenths values is raised by 1.

<u>Uranus-114.9 cm </u>   The hundreths value isn't greater than 5, so the tenths stays the same.

Neptune-179.8 cm  There is no hundreths value so the tenths stays the same.



5 0
3 years ago
The teacher bought new crayons for her class. She bought 7 packs of 9 crayons. She already has 17 crayons in her classroom. She
andrew11 [14]

Answer: 8 crayons

Step-by-step explanation: Take 9 multiplied by 7, add the 17 to your answer, and divide by 10.

3 0
2 years ago
For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.
Rashid [163]
Our equation for this table could be an equation in slope-intercept form:
y=mx+b
m=slope of the line:
b=y-intercept.

1) we have to calculate the slope of this line.
We need two points, you can choose two points of this table, for example:
the points (4,6) and (10,15)

m=(y-y₀)/(x-x₀)
m=(15-6)/(10-4)
m=9/6
m=3/2

2) we have to find "b";
We have this equation:
y=3/2 x +b

Now, we choose any point of this table; For example (8,12), now we find "b",
y=3/2 x+b
12=3/2 (8)+b
12=12+b
b=12-12
b=0

Therefore: the equation would be y=3/2 x 

More easy:
if y vary directly with x, then: y=(y₂-y₁)/(x₂-x₁) x
You choose any two points of this table:
(8,12)
(10,15)

y=(15-12)/(10-8) x
y=3/2 x

Answer: y=3/2 x
5 0
3 years ago
Question is on picture
BabaBlast [244]

Answer:

Converse Same- Side Interior Angles Theorem

Step-by-step explanation:

65+115=180 is not on the same side, therefore the only option remaining is Converse Same- Side Interior Angles Theorem

8 0
3 years ago
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