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AfilCa [17]
3 years ago
7

Ren was trying to solve a system of linear equations. He correctly argued that he could replace one equation by the sum of that

equation and a multiple of the other. H
produce a system that has the same solution as the original system.
To show this, Ren wrote down a system of equations. He then determined which other systems of equations would have the same solution as his original system. Rem
below.
-2x - 5y = -47
4x - 2y = -2
Complete the table below to determine which system(s) of equations has the same solution as the original system shown above. Choose Has the Same Solution or Do
for each system of equations.
Has the Same Solution Does Not Have the Same Solution
-14x + y = -41
4x - 2y = -2
-2x - 5y = -47
6x + 3y = 45
-2x - 5y = 47
8x - 5y = -8
0 0 0
Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0

Answer:

1. yes 2. yes 3. no

Step-by-step explanation:

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Find the vertex and axis of symmetry for f(x)=2x^2-1
vfiekz [6]
<h3>Axis of symmetry is 0 and vertex is (0, -1)</h3>

<em><u>Solution:</u></em>

<em><u>Given is:</u></em>

f(x) = 2x^2 - 1

We have to find the vertex and axis of symmetry

<em><u>The general equation is given as:</u></em>

f(x) = ax^2 + bx + c

Comparing with given equation,

a = 2

b = 0

c = -1

<em><u>The axis of symmetry is given as:</u></em>

x = \frac{-b}{2a}

x = \frac{0}{2(2)}\\\\x = 0

Thus axis of symmetry is 0

The x coordinate of the vertex is the same

x coordinate of the vertex = 0

h = 0

The y coordinate of the vertex is:

k = f(h)

k = f(0)

f(0) = 2(0) - 1\\\\f(0) = 0 - 1\\\\f(0) = -1

Thus, y coordinate of the vertex is -1

Therefore, vertex is (0, -1)

3 0
3 years ago
Ricardo has 32 books to put on 4 shelves he puts the same number of books on each self how many books does Ricardo put on each s
frozen [14]

Answer: 8

Step-by-step explanation:

You divide 32 by 4 and get eight

8 0
3 years ago
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alekssr [168]

Answer:

The order is:

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Step-by-step explanation: boom

4 0
3 years ago
Please answer now question
jarptica [38.1K]

Answer:

<h2>               1664 yd²</h2>

Step-by-step explanation:

P = 2•(¹/₂•24•16) + 2•(20•20) + 24•20 = 384 + 800 + 480 = 1664 yd²

5 0
4 years ago
1+1:0=?<br> 1-1=<br> 0,2:0,3494=
vivado [14]

Answer:

1 + 1: 0 =no answer becuase 1:0 cannot be divided

1-1=0

0,2:0,3494=1000/1747

Step-by-step explanation:

5 0
3 years ago
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