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steposvetlana [31]
3 years ago
15

I don’t 100% remember how to turn this into a standard problem.. could someone help me really quick?

Mathematics
1 answer:
marin [14]3 years ago
6 0
Standard form is ax^2+bx+c=0

First evaluate the exponent and expand (foil).
y= 3(x^2-4x+4)+1

Then distribute the 3
y= 3x^2-12x+12+1

Combine like terms
y=3x^2-12x+13

Final answer: 3x^2-12x+13=0
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your cell phone plan cost $39.99 per month plus $.15 for each text message you send or receive you have at most $45 to spend on
Alchen [17]
X = text message you send or receive

39.99 + 0.15x <span>≤ 45
              0.15x </span><span>≤ 5.01
                    x </span><span>≤ 33

the maximum </span>text message you send or receive is 33

39.99 + 0.15(33) = 44.94 
4 0
3 years ago
.Write the following number in expanded form using powers of 10: 67.938
HACTEHA [7]

Answer:

67.938 =

(6 * 10^1) + (7 * 10^0) + (9 * 10^-1) + (3 * 10^-2) + (8 * 10^-3)

Step-by-step explanation:

Here, we want to write the given number in expanded form

Mathematically that will be ;

60 + 7 + 0.9 + 0.03 + 0.008

Using the power of 10, that will be;

(6 * 10^1) + (7 * 10^0) + (9 * 10^-1) + (3 * 10^-2) + (8 * 10^-3)

8 0
3 years ago
In the equation y=3(4x-1)+10 , find the value of x when y = -2
kati45 [8]
Y=2(given)
-2=12x-3+10
-2=12x+7
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6 0
4 years ago
A movie theater is selling adult’s tickets for $11 and children’s tickets for $6. If the movie theater sold a total of 114 ticke
ycow [4]

Answer:

there were 82 adult tickets and  32 children tickets that were sold

Step-by-step explanation:

x = adult's tickets

y = children's tickets

\left \{ {{x + y = 114} \atop {11x + 6y = 1094}} \right.

x + y = 114

y = -x +114

replace y by -x +114 in the second equation

11x + 6y = 1094

11x + 6(-x + 114) = 1094

11x -6x + 684 = 1094

5x + 684 = 1094

5x = 410

x = 82

x + y = 114

82 + y = 114

y = 32

8 0
3 years ago
A college has a financial aid formula that applies to applicants whose family's income is below a certain threshold. The financi
Natali [406]

Answer:

Seach it

Step-by-step explanation:

5 0
3 years ago
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