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BigorU [14]
3 years ago
15

Write an equation, in point-slope form, for the line that goes through points (4,4) and (-4,-1).

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0

Answer:

C.) Y= 5/8x + 1 1/2

Step-by-step explanation:

To write the equation of a line, calculate the slope between points (4,4) and (-4,-1). After, substitute the slope and a point into the point slope form.

m = \frac{y_2-y_1}{x_2-x_1} = \frac{4--1}{4--4}= \frac{5}{8}

Substitute m = 5/8 and the point (4,4) into the point slope form.

y - y_1 = m(x-x_1)\\y -4 = \frac{5}{8}(x-4)\\y-4 = \frac{5}{8}x - \frac{20}{8} \\\y = \frac{5}{8}x - 2{1}{2} + 4 \\ y = \frac{5}{8}x + 1\frac{1}{2}

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PLISS ANSWER :C DONT ANSWER IF YDK THAnKSSS<br> *also pls look at both images :)*
Iteru [2.4K]

Answer:

First image: (6, -1)

2nd image: y = 63

Explanation:

1)

2x + y = 11

1/2x - 5y = 8

y = -2x + 11

1/2x - 5(-2x + 11) = 8

1/2x + 10x - 55 = 8

10.5x - 55 = 8

10.5x = 63

x = 6

2x + y = 11

2(6) + y = 11

12 + y = 11

y = -1

(x , y) = (6, -1)

2)

1/4(8y - 4.8) = 2 (0.9y + 5.4) + 3/5

2y - 1.2 = 1.8y + 10.8 + 0.6

0.2y - 1.2 = 11.4

0.2y = 12.6

y = 63

7 0
3 years ago
Rewrite in simplest rational exponent form square root of x times the fourth root of x. Show each step of your process.
belka [17]

Answer:

\sqrt[4]{ {x}^{3}  }

Step-by-step explanation:

\sqrt{x}  \times  \sqrt[4]{x} \\  =  {x}^{ \frac{1}{2} }  \times  {x}^{ \frac{1}{4} }  \\  =  {x}^{ \frac{1}{2}  +  \frac{1}{4} }  \\  =  {x}^{ \frac{3}{4} }  \\  =  \sqrt[4]{ {x}^{3} }

5 0
2 years ago
Which of the expressions are equivalent to the one below? Check all that
Misha Larkins [42]

Answer:

All simplified

Step-by-step explanation:

10 - 4 + 2

6+2

8

4 0
3 years ago
I hate Algebra
Anon25 [30]
----------------------------------
Given information
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Entrance fee = $6
One pound of apples = $2

x = total pounds of apple bought
y = Total cost

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Set up the equation
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y = 2x + 6

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Answer: y = 2x + 6 (Answer D)
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4 0
3 years ago
The school sold 93% of the 400 tickets to the play. How many tickets were sold?
7nadin3 [17]

Answer:

372 tickets sold

Step-by-step explanation:

  1. Fine 93% of 400: \frac{93}{100} × \frac{400}{1} = \frac{37200}{100}  
  2. Simplify: 37200/100 = 372/1 = 372

I hope this helps!

6 0
3 years ago
Read 2 more answers
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