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klasskru [66]
3 years ago
13

1. 4x2 – 1 = 3x2 – 8x

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0
4x2-1=7

7=3x2-8x
7=6-8x
1= -8x
x= -1/8
solong [7]3 years ago
5 0

Answer:

1/8 got it?????????!!!

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The table shown below represents a function. Which of the following values could not be used to complete the table?
Andreyy89

Answer:

The answer is -5......Please mark me as a brainlist..

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3 years ago
Write an equation of the line that passes through the given points.<br> (-2,8) and (1, -1)
KIM [24]

/Answer:

Short Answer Type:

P1 - (-2,8)

P2 - (1,1)

Slope: (1 - 8) / (1 + 2)

=> -7/3

Therefore: 1 = -7/3 + c

=> 10/3 = c

<h2><u>Therefore equation: y = -7x/3 + 10/3</u> </h2>
6 0
3 years ago
Need help please don't know this
4vir4ik [10]

Answer:

  x = -3

Step-by-step explanation:

The graph is symmetrical about the vertical line through its vertex:

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8 0
2 years ago
If B is the midpoint of line AC, AC = CD, AB = 3x+4, AC=11x-17, and CE = 49, find DE. (Show work)
larisa [96]

Answer:

2(3x+4) = 11x-17

6x+8 = 11x-17

25=-5x

x=-5

11x-17

55-17

38

AC = 38

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3 0
3 years ago
Copy and fill in the charts.
Eduardwww [97]

Answer:

15% = 3/20 = 0.15

1.25 =125% =5/4

12 3/8 = 12.375 = 1237.5%

Step-by-step explanation:

15% to fraction , then decimal ;

15\% = \frac{15}{100} \\Cross\:cancel\:common\:factor ; 5\\\\15\div 5 = 3\\100\div 5 = 20\\\\= \frac{3}{20}\\\\\frac{3}{20} = 0.15

1.25 to fraction , then percentage

1.25 = \frac{1.25}{1}  \times \frac{100}{100} \\\\1.25\times 100 =125\\1\times 100 = 100\\\\= \frac{125}{100} \\= \frac{5}{4} \\\\1.25\times 100\\= 125\%

12 3/8 to decimal then percentage

12\frac{3}{8} =\frac{99}{8} = 12.375\\\\12.375\times 100\\\\= 1237.5\%

5 0
3 years ago
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