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4 years ago

At an appliance store, the price of a refrigerator is marked up 25% to $406.25.

Mathematics

2 answers:

Andru [333]4 years ago

8 0

We need 25% of the original price before it can be added. The equation for this would be
X + .25X = 406.25
The x stands for the 100% and the .25x stands for the markup of the original.
1.25x = 406.25
X= $325.00

OLga [1]4 years ago

5 0

304.688. Take 25% of 406.25, which is 101.562 and then subtract it from 406.25.

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Suppose the true proportion of voters in the county who support a restaurant tax is 0.54. Consider the sampling distribution for

Eva8 [605]

Answer:

The correct answer is:

(a) 0.54

(b) 0.0385

Step-by-step explanation:

Given:

Restaurant tax,

p = 0.54

Sample size,

n = 168

Now,

(a)

The mean will be:

⇒ μ $\hat{p}= p$

$=0.54$

(b)

The standard error will be:

$\sigma \hat{p}$ = $\sqrt{[\frac{p(1-p)}{n} ]}$

= $\sqrt{[\frac{(0.54\times 0.46)}{168} ]}$

= $\sqrt{[\frac{(0.2484)}{168} ]}$

= $0.0385$

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3 years ago

Pls help me in this i really need help :( :)

Andrews [41]

Hello and Good Morning/Afternoon:

Let's take this problem step-by-step:

First off, let's write the line in point-slope form:

$\rm \hookrightarrow (y-y_0)=m(x-x_0)$

(x₀, y₀) any random point on the line
'm' is the value of the slope

Let's calculate the slope:

$\rm \hookrightarrow Slope = \frac{y_2-y_1}{x_2-x_1}$

(x₁, y₁): any random point on the line ⇒ (-2, -6)
(x₂,y₂): any random point on the line that is not (x₁, y₁) ⇒ (2, -3)

$\rm \hookrightarrow slope = \frac{-3--6}{2--2} =\frac{3}{4}$

Now that we found the slope, let's put it into the point-slope form

⇒ we need (x₀, y₀) ⇒ let's use (2,-3)

$(y-(-3))=\frac{3}{4} (x-2)\\y+3=\frac{3}{4} (x-2)$

The equation, however, could also be put into 'slope-intercept form'

⇒ gotten by isolating the 'y' variable to the left

$y = \frac{3}{4}x-\frac{9}{2}$

Answer: $y = \frac{3}{4}x-\frac{9}{2}$ or $y+3=\frac{3}{4} (x-2)$

*Either equations work, put the one that you are the most familiar with

Hope that helps!

#LearnwithBrainly

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2 years ago

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faust18 [17]

Answer:

f=8

Step-by-step explanation:

fx0.5=4

f=4x2

f=8

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3 years ago

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Morgarella [4.7K]

Answer:

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Step-by-step explanation:

r=C

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Help! Will give brainly! Explain why the value x=4 is not a solution to the inequality 2x>10

melamori03 [73]

Answer

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Step-by-step explanation:

2x>10

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3 years ago

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