Urgent
Please help!
Factorise
2 answers:
Answer:
a.
x²+3x-4
doing middle term factorization
x²+(4-1)x-4
x²+4x-x-4
x(x+4)-1(x+4)
(<u> </u><u>x</u><u>+</u><u>4</u><u>)</u><u>(</u><u>x-1</u><u>)</u>
b.
x²-2x-3
x²-3x-x-3
x(x-3)-1(x-3)
<u>(</u><u>x-3</u><u>)</u><u>(</u><u>x-1</u><u>)</u>
c.
x²+2x-8
x²+4x-2x-8
x(x+4)-2(x+4)
<u>(</u><u>x</u><u>+</u><u>4</u><u>)</u><u>(</u><u>x-2</u><u>)</u>
A) (x-1) (x+4)
b) (x-3)(x+1)
c) (x-2) (x+4)
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144/11= 13.09
Andrew can jog 13.09 miles in one hour.
Multiply 3 * 1 1/2 to find how many miles she runs per hour
1 1/2 * 3
3/2 * 3
9/2
4 1/2 She will run 4 1/2 or 4.5 miles per hour.
Answer:
X is just the variable or missing edge, side, angle .etc that you are looking for
Step-by-step explanation:
X= 0 (multiplicity of 1)
X= -2 (multiplicity of 1)
X= 2 (multiplicity of 2)
Answer: A
Explanation:
The square root of 45 is 6.70
_
8 5/6 as a decimal is 8.83
The absolute value of -23 is 23.
