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Naddika [18.5K]
3 years ago
11

Which statement is correct? A. B. C. D.

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
8 0
B 8 is less than the square root of B
geniusboy [140]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Answer:

B

Step by Step explanation:

So since the equation says that 8 is less than the square root for b, It is correct because the square root of 72 would be 8.48528137424. Which of course 8, is less than that. But it also says that the square root of 72 is less than 9. Which based on my calculations would be correct.

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I don't understand this. Please explain the answer. I have a final exam coming up.
monitta
I’m pretty sure it’s -6 because f(x) is the first curve and g(x) is the second and there’s six spaces between each of their vertexes
7 0
2 years ago
The average cost for a gallon of gasoline increased from $2.56 one year to $3.18 the next year. What is the percent of increase,
Kitty [74]
From 2.56 to 3.18; 3.18-2.56=0.62 increased 
so if 2.56 represented 100%
       0.62 represents     ? %
cross multiply 
?%= 0.62·100/2.56=24.21875 which rounded to the nearest whole is 24%
Answer is B).
7 0
3 years ago
Read 2 more answers
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 106 and a standard deviatio
DENIUS [597]

Answer:

Step-by-step explanation:

N(106,14²)

(calculated using excel, let me know if you were supposed to use a normal table) = 0.4715

85.34

Q1:96.56

Q3:115.44

IQR (which is Q3-Q1)= 115.44-96.56= 18.88

5 0
2 years ago
Consider the following polynomial functions.<br> f(a) = (2a - 7 + a?) and g(a) = (5 – a).
mote1985 [20]

Answer:

1 false

2 true

3 true

4 false

5 true

Step-by-step explanation:

f(a) = (2a - 7 + a^2) and g(a) = (5 – a).

1 false f(a) is a second degree polynomial and g(a) is a first degree polynomial

When added together, they will be a second degree polynomial

2. true  When we add and subtract polynomials, we still get a polynomial, so it is closed under addition and subtraction

3.  true  f(a) + g(a) = (2a - 7 + a^2) + (5 – a)

Combining like terms = a^2 +a -2

4.  false   f(a) - g(a) = (2a - 7 + a^2) - (5 – a)

Distributing the minus sign (2a - 7 + a^2) - 5 + a

Combining like terms  a^2 +3a -12

5.  true  f(a)* g(a)  = (2a - 7 + a^2)  (5 – a).

Distribute

                       (2a - 7 + a^2)  (5)  – (2a - 7 + a^2)  (a)

                        10a -35a +5a^2 -2a^2 -7a +a^3

Combining like term

-a^3 + 3 a^2 + 17 a - 35

4 0
3 years ago
Read 2 more answers
Find the arc length of a semi circle of 12
Maru [420]

Answer:

The answer would be 234

3 0
3 years ago
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