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3 years ago

What is the answer to 2 (x + 5) = 3x + 1

Mathematics

2 answers:

ohaa [14]3 years ago

6 0

Answer: Sorry I dont undertsand this question

Step-by-step explanation: Hope you have a great day

Dima020 [189]3 years ago

4 0

Answer:

answer will 9 . hope it helps

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I need this Now (2x + 1)²

Alla [95]

Answer:

4x² + 4x + 1

Step-by-step explanation:

We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.

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4 years ago

Read 2 more answers

I’ve been stuck can someone help

never [62]

Answer:

(a). $A_{x}$ = $\left[\begin{array}{cc}12&-4\\66&6\end{array}\right]$

Step-by-step explanation:

$\left \{ {{5x-4y=12} \atop {3x+6y=66}} \right.$

A = $\left[\begin{array}{cc}5&-4\\3&6\end{array}\right]$

$A_{x}$ = $\left[\begin{array}{cc}12&-4\\66&6\end{array}\right]$

$A_{y}$ = $\left[\begin{array}{cc}5&12\\3&66\end{array}\right]$

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3 years ago

The equation of line j is y= negative x + 3/8 line k which is perpendicular to line j, includes the point (negative 2, 7) what i

photoshop1234 [79]

Line j is negative and line k is postive so you combine hem in like terms to solve them

4 0

3 years ago

The graph of y=x^2 -7x+ 12 is a parabola with x-intercepts at

vesna_86 [32]

Answer:

Step-by-step explanation:

$\text{x-intercept is for y = 0}.\\\\\text{We have the function:}\ y=x^2-7x+12.\\\\\text{Put y = 0 and calculate the value(s) of x.}\\\\x^2-7x+12=0\\\\x^2-3x-4x+12=0\\\\x(x-3)-4(x-3)=0\\\\(x-3)(x-4)=0\iff x-3=0\ \vee\ x-4=0\\\\x-3=0\qquad\text{add 3 to both sides}\\\boxed{x=3}\\\\x-4=0\qquad\text{add 4 to both sides}\\\boxed{x=4}$

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3 years ago

Evaluate ×-7 when ×=23

zhannawk [14.2K]

Answer:

Step-by-step explanation:

23-7=16

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3 years ago