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alisha [4.7K]
3 years ago
6

Find the equation of a line

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0

Answers:

y=2x2−20x+51

Step-by-step explanation:

Vertex:

(5,1)

Focus:

(5,98)

Axis of Symmetry:

x=5

Directrix:

y=78

olga55 [171]3 years ago
8 0

1) A(1;2) and slope=3.

slope-interception form is y=s*x+i, where s - slope, i - interception.

if to substitute the given coordinates and slope into the equation, then 2=3*1+i, ⇒ i=-1. It means, the required equation is:

y=3x-1.

2) A(1;2) and B(3;-2).

the common form is:

\frac{x-X_B}{X_A-X_B} =\frac{y-Y_B}{Y_A-Y_B}.

If to substitute the given coordinates into the common form, then:

\frac{x-3}{1-3} =\frac{y+2}{2+2} ; \ => \ \frac{x-3}{-2} =\frac{y+2}{4}; \ => \ y=-2x+4.

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Please help!!!!!!!!!!!<br> Solve the equation.
Free_Kalibri [48]

Answer:

log 12-2 gets u 10+3 GET U 13Step-by-step explanation:

6 0
3 years ago
2x+5=3x=4x-5
elena55 [62]
You would need to isolate the "X" variable because it is common in all 3 equations.
8 0
3 years ago
Whch experision is equialent to 5(4x+3)-2x?<br><br> A.18x+15<br> B.18x+3<br> C.7x+8<br> D.2x+8
Mazyrski [523]

Answer:

The correct answer is option A. 18x + 15

Step-by-step explanation:

It is given an expression in variable x,

5(4x + 3) - 2x

<u>To simplify the given expression </u>

5(4x + 3) - 2x = (5 * 4x) + (5 * 3) - 2x   (open the bracket)

  = 20x + 15 - 2x

  = 20x - 2x + 15

  = 18x + 15

Therefore the correct answer is 18x + 15

The correct option is option A.  18x + 15

4 0
4 years ago
WHAT IS THE SIMILARITY BETWEEN 85,17,19,4 and 2
eimsori [14]
They less than 86
they all great than 1
they all positive integers
they all real numbers
they all natural numbers
they all whole numbers
none of them are multiples of 3.
and last but not least, they all less than 100.
4 0
3 years ago
The sum of two numbers is 51. Four times the smaller number is 24 more than the larger number. What are the numbers?
KiRa [710]

The smaller number is 15 and larger number is 36.

Step-by-step explanation:

Let,

Smaller number = x

Larger number = y

According to given statement;

The sum of two numbers is 51.

x+y = 51     Eqn 1

Four times the smaller number is 24 more than the larger number.

4x = y+24  

4x - 24 = y

y = 4x-24     Eqn 2

Putting value of y from Eqn 2 in Eqn 1

x+(4x-24)=51\\x+4x-24=51\\5x=51+24\\5x=75

Dividing both sides by 5

\frac{5x}{5}=\frac{75}{5}\\x=15

Putting x=15 in Eqn 2

y=4(15)-24\\y=60-24\\y=36

The smaller number is 15 and larger number is 36.

Keywords: linear equation, substitution

Learn more about linear equations at:

  • brainly.com/question/9720317
  • brainly.com/question/9621364

#LearnwithBrainly

5 0
4 years ago
Read 2 more answers
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