Four light bulbs cost $3.20.how much does it cost to buy 14 light bulbs ?

Answers

Answer 1

Answer: 3.20 ÷ 4 = .80

SO

1 bulb costs $.80.

14 × .80 = 11.2 or 11.20 (its the same thing)

SO 14 light Bulbs cost $11.2 or $11.20.

Hope I helped ya!!

Answer 2

Answer: 3.20= 4 light bulbs
3.20/4= .80cent per light bulb
.80*14=$11.20

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What is the equation of the line, in slope-intercept form, that passes through (3, -1) and (-1, 5)?

Answers

Using the point-slope form (y - y₁) = m (x - x₁)

m= gradient = Δy/Δx

= $(5 - (-1))/((-1) - 3)$

= - $(3)/(2)$

midpoint of the line = $( (x_(1) + x_(2) )/(2) , (y_(1) + y_(2) )/(2))$
= $(\frac{3 + (-1)} {2} , (-1 + 5 )/(2))$

= (1 , 2)

Using the formula, plug in the values for m = 3/2, y₁= 2 , x₁= 1

(y - 2) = 3/2 (x - 1)

y - 2 = $(3)/(2)x - (3)/(2)$

⇒ $y - (3)/(2) x = (4)/(2) - (3)/(2)$

⇒ $y - (3)/(2) x = (1)/(2)$

by multiplying through by 2,

⇒ 2y - 3x = 1

Use the formula f=1.8c+32 to convert -20 degrees into fahrenheit

Answers

It is -4!
1.8*-20=-36
32-36=-4

A function g(x) has x-intercepts at (1/2, 0) and (6, 0). which could be g(x)?A. g(x) = 2(x + 1)(x + 6)
B. g(x) = (x – 6)(2x – 1)
C. g(x) = 2(x – 2)(x – 6)
D. g(x) = (x + 6)(x + 2)

Answers

The x-intercepts of a function are used to express the function into factored form:
From (1/2, 0)
(x - 1/2)

From (6, 0)
(x-6)

(x - 1/2) (x-6) = 0
(2x -1)(x-6) = 0

The function is:
B. g(x) = (x – 6)(2x – 1)

Answer:

I believe the answer is B.

Please helpppp !!!!!!