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3 years ago

9

1. What is the slope intercept form for -3, and (4,2) SIMPLIFIED??

1 answer:

Ostrovityanka [42]3 years ago

4 0

Answer:

Step-by-step explanation:

1. y - 2 = -3(x - 4)

y - 2 = -3x + 12

y = -3x + 14

2. y - 6 = -1/2(x + 5)

y - 6 = -1/2x - 5/2

y - 12/2= -1/2x - 5/2

y = -1/2x + 7/2

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If y varies directly ás x, and y = 7 when x = 3. find y when x=7

vlada-n [284]

Answer:

y = $\frac{49}{3}$

Step-by-step explanation:

Given y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition

x = 3 when y = 7

k = $\frac{y}{x}$ = $\frac{7}{3}$ , thus

y = $\frac{7}{3}$ x ← equation of variation

When x = 7, then

y = $\frac{7}{3}$ × 7 = $\frac{49}{3}$

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4 years ago

The following are Solutions of g < 1 1/2 which one is not a solution g=-4 g= 7 1/2 g=0 g= -2 1/2

IrinaK [193]

Answer:

g=4

Step-by-step explanation:

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4 years ago

Find the value of X:

pantera1 [17]

Answer:

x=9

Step-by-step explanation:

I took one side, and made proportions:

12:16

3:4

so, x-1:6=3:4

(x-1)/6=3/4

solve it for x=9

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3 years ago

Read 2 more answers

Arlene is comparing the prices of two truck rental companies. Company A charges $7 per hour and an additional $30 as service cha

Valentin [98]

Answer:

Part A: 7n + 30= -5 and 8n + 40= 16

Part B: 7(8) + 30= 86 and 8(8) + 40= 104

Part C: Company A saves you 12.

Step-by-step explanation:

Company A: 7n + 30

Company B: 8n + 40

7n + 30= -5 8n + 40= 16

7(8) +30= 86 8(8) +40= 104

7(2) + 30= 44 8(2) + 40= 56

56 - 44= 12

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4 years ago

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3 years ago