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Mathematics

1 answer:

nevsk [136]3 years ago

8 0

Answer:

It's A I'm pretty sureeeeeee I have to type alot cause then I can't submit but ya A:)

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Please help! Question posted above ^

emmainna [20.7K]

Answer:

( x^2 - 6 )^2

Step-by-step explanation:

x^4 -12x^2 +36

Find one factor
Factor by grouping

(x^2 - 6x) (x^2 - 6x)

*solution* ( x^2 - 6 )^2

8 0

3 years ago

Round to the nearest tenth.

laila [671]

Answer:

8.2 units

Step-by-step explanation:

Given that the only information for our triangle are 2 sides and 1 angle, we must use the Law of Cosines to find side BC

Recall the Law of Cosines

$a^2=b^2+c^2-2bc\cdot cos(A)$

Identify angles and sides

$m\angle A=23^\circ\\a=BC=?\\b=AC=14\\c=AB=6$

Solve for side "a"

$a^2=b^2+c^2-2bc\cdot cos(A)\\\\a^2=14^2+6^2-2(14)(6)\cdot cos(23^\circ)\\\\a^2=196+36-168cos(23^\circ)\\\\a^2=222-168cos(23^\circ)\\\\a=\sqrt{222-168cos(23^\circ)}\\ \\a\approx8.2$

Therefore, the length of line segment BC is about 8.2 units

8 0

2 years ago

What is the equation of the line connecting (1,5) and (4,14)?

german

To find the slope of the line:
(y2-y1)/(x2-x1)
(14-5)/(4-1)=(9)/(3)=3

Only one of your 4 possible answers has 3 as a slope. However, plugging in each point into the y=mx+b equation, the y-intercept consistently comes out as 2..
y=mx+b
14=3(4)+b b=2
5=3(1)+b b=2
y=3x+2
If there is a consistent, positive slope (from your question, this does not seem to have a quadratic as an option), 3x+5 is not even a viable solution because x=1 when the y-value is 5 (and thus no other x value {0} could have a y-value of 5). It seems as though you have a typo on your hands. Hopefully this helps?

3 0

3 years ago

I need help fast 17 points please help

Alisiya [41]

Answer:

C f-1 (x) = x- 2

Step-by-step explanation:

The inverse is usually shown by putting a little "-1" after the function name, and reversing the units.

6 0

3 years ago

During the early part of the 1994 baseball season, many sports fans and baseball players noticed that the number of home runs be

Ratling [72]