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professor190 [17]

3 years ago

11

Help!!!! and fast. −6+5(y+3)−2y

1 answer:

aliya0001 [1]3 years ago

8 0

Answer:

3y+9 is the answer

Step-by-step explanation:

-6+5y+15-2y

3y+9

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egoroff_w [7]

Answer:I’m bored

Step-by-step explanation:

5 0

2 years ago

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Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth.

Readme [11.4K]

To determine the solution of the quadratic equation, use the quadratic formula which states that,
x = ((-b +/- sqrt (b² - 4ac)) / 2a
From the equation, a = 1, b = 14, and c = 112. Substituting these to the quadratic formula,
x = <span>((-14 +/- sqrt (14² - 4(1)(12)) / 2(1) = indeterminate
Thus, the equation does not a real number solution. </span>

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3 years ago

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What number is 21% of 450?

Akimi4 [234]

Answer:

94.5

Step-by-step explanation:

450 / 100 = 4.5

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3 0

2 years ago

Tasya [4]

Answer:

7)k=-7.02

8)n=-4

9)b=-14

10)-2=p

7 0

3 years ago

I Have 10 Minutes Hurry for Brainlist and pls be accurate

yulyashka [42]

To find the equation we will put the values of x and y in the equations and then check if LHS=RHS.

$\large\red{\sf{y=3x-1}}$

x=1
y=9

$\begin{gathered}\\ \sf\longmapsto 9=3(1)-1\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9=3-1\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9≠2 \end{gathered}$

$\large\green{\sf{y=5x+4}}$

$\begin{gathered}\\ \sf\longmapsto 9=5(1)+4\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9=5+4\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9=9\end{gathered}$

$\large\blue{\sf{y=-2x-8}}$

$\begin{gathered}\\ \sf\longmapsto 9=-2(1)-8\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9=-2-8\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9≠10\end{gathered}$

$\large\pink{\sf{y=6x-8}}$

$\begin{gathered}\\ \sf\longmapsto 9=6(1)-8\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9=6-8\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 9≠-2\end{gathered}$

Hence, Option B. y=5x+4 satisfies the system (1,9)

7 0

2 years ago