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lisov135 [29]
3 years ago
5

Write the point-slope form of an equation of the line through the points (6,-1) and (5,7)

Mathematics
1 answer:
lbvjy [14]3 years ago
4 0

Answer:

y - 7 = -8 (x - 5)

Step-by-step explanation:

y2 - y1 / x2 - x1                7 - (-1) / 5 - 6           = -8

y - 7 = -8 (x - 5)

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Type the correct answer in the box. Write the standard form of the quadratic equation modeled by the points shown in the table b
White raven [17]
Y =ax² + bx +c

1) Point (0,7)

7 = a*0² +b*0 +c
c = 7
y=ax² + bx + 7

2) Point (1,4)
4=a*1² + b*1 + 7, ----> 4 = a +b + 7, ------> a+b= - 3
3) Point (2, 5)
5=a*2² + b*2 + 7, ----> 5=4a+2b +7,---> -2=4a+2b, ----> -1=2a + b

4)  a+b= - 3, ----> b= -3 - a (substitute in the second equation)
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2a - 3 - a = -1, ----> a - 3 = -1, a =2

5) a+b= - 3
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8 0
3 years ago
the sum of two numbers is 44. the smaller number is five-sixths of the larger number. what are the numbers?​
Sindrei [870]
X+y=44
x=5/6y

x+y=44
5/6y+y=44
11/6y=44
11y=264
y=24
x=5/6y=(5/6)*24=20
Answers: numbers are 20, 24
7 0
3 years ago
What is the equation of the line in standard form
aivan3 [116]

your answer is d because the formula is Ax+By=C

6 0
3 years ago
Several students decide to start a T-shirt company after initial expenses of $280 they purchase each T-shirt wholesale for $3.99
JulsSmile [24]
10.99x = 3.99x + 280
7x = 280
x = 40
They must sell 40 T-shirts to break even
4 0
3 years ago
Read 2 more answers
PLZ NEED AN ANSWER FAST WORTH 5 TO 10 POINTS
worty [1.4K]

n - 12 = -9

Add 12 to both sides to isolate the variable n.

n = -9 + 12

n = 3

B) n = 3

4 0
3 years ago
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