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3 years ago

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The cost of renting a bicycle from dan's bike shop is $2 for 1 hour plus $1 for each additional hour of rental time. which of th

e following graphs shows the cost, in dollars of renting a bicycle from dans bike shop for 1,2,3, and 4 hours?

1 answer:

Archy [21]3 years ago

7 0

The answer is $10 because 123=$6 and 4 hours is =$4 6+4=10

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(X^2+ x– 12) (x^2+ 10x + 25)

yulyashka [42]

Solution:

(x² + x – 12)(x² + 10x + 25)
=> (x⁴ + 10x³ + 25x²) + (x³ + 10x² + 25x) + (-12x² - 120x - 300)
=> x⁴ + 10x³ + 25x² + x³ + 10x² + 25x - 12x² - 120x - 300
=> x⁴ + (10x³ + x³) + (25x² + 10x² - 12x²) + (25x - 120x) - 300
=> x⁴ + (11x³) + (23x²) + (-95x) - 300
=> x⁴ + 11x³ + 23x² - 95x - 300

The only term that has a x-variable is "-95x".

The coefficient of x is -95.

6 0

1 year ago

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Help me plsssssss????

mixer [17]

Answer:

CBD is 120 degrees

Step-by-step explanation:

x=30

4x30+30+30=180

7 0

2 years ago

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Nicole and adam are each saving money for a car. the total amount of money nicole will save is represented by the function f (x)

Yakvenalex [24]

For this case we have the following functions:
f (x) = 36 + 4x
g (x) = x2 + 15
By matching both functions we have:
f (x) = g (x)
36 + 4x = x2 + 15
Rewriting we have:
x2 + 15 - 4x - 36 = 0
x2 - 4x - 21 = 0
Solving the polynomial we have:
(x-7) (x + 3) = 0
x = -3
x = 7
Taking the positive root we have:
x = 7
Answer:
They will have the same amount of money saved after:
x = 7 weeks

8 0

2 years ago

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<img src="https://tex.z-dn.net/?f=x-7%20%3D%2010" id="TexFormula1" title="x-7 = 10" alt="x-7 = 10" align="absmiddle" class="late

Artist 52 [7]

Answer:

This is your answer <(￣︶￣)↗

Step-by-step explanation:

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2 years ago

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What is the equation of the line that passes through the points (-1, 7) and (2, 10) in Standard Form?

Usimov [2.4K]

bearing in mind that standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

$\bf (\stackrel{x_1}{-1}~,~\stackrel{y_1}{7})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{10}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{10-7}{2-(-1)}\implies \cfrac{3}{2+1}\implies \cfrac{3}{3}\implies 1$

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-7=1[x-(-1)]\implies y-7=x+1 \\\\\\ y=x+8\implies \boxed{-x+y=8}\implies \stackrel{\textit{standard form}}{x-y=-8}$

just to point something out, is none of the options, however -x + y = 8, is one, though improper.

3 0

2 years ago