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const2013 [10]
2 years ago
8

The rental rate for a cement mixer has a flat rate of $40 plus $20 for each day of the rental. The graph shows points representi

ng the total cost of the rental. Which linear equation, in slope-intercept form, that models the total cost of the rental over time? y = 20x +40 y = x + 50 y = 50x + 25 y = 25x y = 75x
Mathematics
1 answer:
Fiesta28 [93]2 years ago
4 0

Answer:

Step-by-step explanation:

y= 20x+40

y- is the cost of rental

x-number of days

20 is the slope

40-flat rate and the y-intercept is at (0,40)

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Which point on the number line best represents the approximate value of 38?
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Using the table below, write a function rule for the balance in the CD account after any number of years. Let y represent the va
Juli2301 [7.4K]

Answer:

  y = 700 +22x

Step-by-step explanation:

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3 years ago
Find the missing length indicated ​
tiny-mole [99]

Answer:

x = 256

Step-by-step explanation:

Remark

Interesting question. Thanks for posting.

The small triangle has the height as the missing side.

Part One: Givens

a = 144

b = height = ?

c = 240

a^2 + b^2 = c^2

144^2 + b^2 = 240^2

20736 + b^2 = 57600                   Subtract 20736 from both sides

b^2 = 57600 - 20736

b^2 = 36864

√b^2 = √36864

b = 192

Solve for x

The relationship between the height (b) and 144 and x is

b^2 = 144 * x

36864 = 144x          Divide by 144

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5 0
3 years ago
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telo118 [61]

Answer:

<h2>For 6 weeks, the height will be 15 inches</h2>

Step-by-step explanation:

Step one:

given data

the initial height of plant= 3inches

growth in inches per week =2inches per wee

Step two:

for x number of weeks, the height is expressed as

h(x) = 2x + 3

With the given growth function, we can estimate the height of the plant after any number of weeks, say x=6, that is 6 weeks, the height will be

substitute x=6 in the growth function

h(x) = 2(6)+ 3\\\\h(x) = 12 + 3\\\\h(x) = 15 inches

8 0
2 years ago
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