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BigorU [14]
3 years ago
10

How many x-intercepts does the graph of y = 4x^2-12x+9 have?

Mathematics
2 answers:
Marianna [84]3 years ago
8 0

Answer:

(3/2,0)

Step-by-step explanation:

Substitute 0 for y and solve for x

GenaCL600 [577]3 years ago
7 0

Answer:

1

Step-by-step explanation:

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Write a function rule for the statements
WINSTONCH [101]

Step-by-step explanation:

x. | y

1 | -4

2 | 0

3 | 4

Is this correct?

3 0
2 years ago
Read 2 more answers
What is the value of S4 for
zzz [600]

Answer:

90

Step-by-step explanation:

To find s4  we find sum of values when n=1,n=2,n=3,n=4

given expression is 6(2)^{n-1}

n=1 , plug in 1 for n

6(2)^{1-1}=6

n=2

6(2)^{2-1}=12

n=3

6(2)^{3-1}=24

n=4

6(2)^{4-1}=48

Sum of all 4 terms = 6+12+24+48=90

4 0
2 years ago
Nine less than a number is no more than 8 and is no less than 3
frozen [14]

9 - x < 8 => -x < 8 - 9 => -x < -1 => x > 1

9 - x > 3 => -x > 3 -9 => -x > -6 => x < 6

So the number is between 1 and 6, notation 1 < x < 6

7 0
3 years ago
What is 19.2×108 minutes in hours?
Gennadij [26K]
The answer is:  [C]:  " 3.200 * 10⁷  h " .
_________________________________________________
Explanation:
________________________________
19.2 * 10⁸  min * (1 hr / 60 min) ;


=  (19.2 * 10⁸)
_______________ ;  
         60

_____________________________
Divide EACH SIDE of the fraction by "10" ; to get:
___________

(19.2 * 10⁷)
_______________ ;  
         6

<span>______________________________

</span>⇒  (19.2) ÷ (6) = 3.2 ;  so rewrite as:
_________________________________________________________

3.2 *  10⁷ ; which corresponds with:

Answer choice:  [C]:  " 3.200 * 10⁷  h " .
_________________________________________________________

6 0
3 years ago
Read 2 more answers
MATH HELP!!!!!<br><br> If y = 15 when x = 2, what is the value of x when y = 7?
Ede4ka [16]

<u>Direct Variation:</u>  \frac{y}{x} = k

\frac{15}{2} = k

when y = 7:      \frac{7}{x} = \frac{15}{2}

14 = 15x

\frac{14}{15} = x

<u>Inverse variation:</u>   y*x = k

15 * 2 = k

30 = k

when y = 7:      7 * x = 30

x = \frac{30}{7}


3 0
3 years ago
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