Answer: 28 <= h <= 32
Step-by-step explanation:
the actual height can be at most 2inches higher or lower than the average
Answer:
B 71/8
Step-by-step explanation:
2x² - 5x = -12
2x² - 5x + 12 = 0 (EQ 1)
expand 2(x - p)² + q = 0 ,
since (x - p)² = x² - 2xp + pq,
2x² - 4xp +2p² + q = 0 (EQ 2)
compare x⁰ (just a number, without x) in EQ 1 and EQ 2.
2p² + q = 12 (EQ 3)
compare x in EQ 1 and EQ 2,
-4p = -5
p = 5/4
Substitute p=5/4 into EQ 3,
2(5/4)² + q =12
q = 12 - 2(5/4)²
q= 71/8
Answer:
4/5 (Decimal:0.8)
Step-by-step explanation:
Simplify:
1/3 + 7/15
5/15 + 7/15
5+7/15
12/15=4/5(Decimal:0.8)
The evaluation among negative one and six tenths repeating and poor 5 thirds using symbols <, >, or = is negative 5 thirds is greater than negative one and six tenths repeating. alternative D
Inequality
more than >
much less than <
Equal to =
Greater than or equal to ≥
Less than or equal to ≤
negative one and six tenths repeating
= -1 6/10
= -1.6
negative five thirds
= -5/3
= -1.666666666666666
-1.666666666666666 > -1.6
therefore, the correct answer is negative five thirds > poor one and 6 tenths repeating.
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I assume your "reasons" mean "roots" or "zeros"
if 3 is a root, plug x=3 in the equation, you can find n:
3²+(n-1)*3+6=0
3(n-1)=-15
n-1=-5
n=-4
Plug n=-4 in the original equation: x²-5x+6=0
factor: (x-3)(x-2)=0
x=3, which we already know
or x=2, which is the value of m+4
m+4=2
m=-2
