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4 years ago

Simplify. 9(y + 7) plzzzz answer fastt

Mathematics

2 answers:

Svetradugi [14.3K]4 years ago

7 0

9y + 63 is the answer simplify

ladessa [460]4 years ago

4 0

Answer:

y=7

Step-by-step explanation:

9y+63

63/9=7

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3 years ago

Help with this question? I got half of it, but can't seem to get the other half. Please explain how you got your answer. Thanks!

AlladinOne [14]

X - Intercept
 x + 3y + 2z = 6
x + 3(0) + 2(0) = 6
 x + 0 + 0 = 6
 x + 0 = 6
 - 0 - 0
 x = 6
X - Intercept: (6, 0, 0)

Y - Intercept
x + 3y + 2z = 6
0 + 3y + 2(0) = 6
 0 + 3y + 0 = 6
 0 + 0 + 3y = 6
 0 + 3y = 6
 - 0 - 0
 3y = 6
 3 3
 y = 2
Y - Intercept: (0, 2, 0)

Z - Intercept
x + 3y + 2z = 6
0 + 3(0) 2z = 6
0 + 0 + 2z = 6
 0 + 2z = 6
 - 0 - 0
 2z = 6
 2 2
 z = 3
Z - Intercept: (0, 0, 3)

Volume of the X - Intercept, Y - Intercept, and Z - Intercept
V = ¹/₃(¹/₂lwh)
V = ¹/₃(¹/₂(6)(2)(3))
V = ¹/₃(¹/₂(12)(3))
V = ¹/₃(¹/₂(36))
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V = 6 u³

7 0

3 years ago

Read 2 more answers

Graphing solve a system of equation by graphing

Alex787 [66]

SOLUTION:

$Point \ (1,3)$

<h2>Explanation:</h2>

Let's use the following System of Linear Equations in Two Variables in order to solve this exercise:

$\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}y=2x+1\\y=-4x+7\end{array}\right.$

So we can graph these lines using two points.

For eq (1):

$y=2x+1 \\ \\ If \ x=0 \ then \ y=2(0)+1 \therefore y=1 \\ \\ If \ y=0 \ then \ 0=2x+1 \therefore x=-\frac{1}{2} \\ \\ \\ Points: \\ \\ (0,1) \\ \\ (-\frac{1}{2},0)$

So graph a line that passes through these two points. This is the red line shown below.

For eq (2):

$y=-4x+7 \\ \\ If \ x=0 \ then \ y=-4(0)+7 \therefore y=7 \\ \\ If \ y=0 \ then \ 0=-4x+7 \therefore x=\frac{7}{4} \\ \\ \\ Points: \\ \\ (0,7) \\ \\ (\frac{7}{4},0)$

So graph a line that passes through these two points. This is the blue line shown below.

The solution of this system of equation is the point of intersection, which is (1,3)

<h2>Learn more:</h2>

Parallel lines: brainly.com/question/12169569

#LearnWithBrainly

8 0

3 years ago