3 years ago

Can someone please help

Mathematics

1 answer:

boyakko [2]3 years ago

3 0

The answer is it is a statistic because the value describes a characteristic of a sample.

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Avery bought a washing machine originally priced at $864.72 but on sale for 30% off. After 4% sales tax, what was the total cost

atroni [7]

Answer: 629.51

Step-by-step explanation: 30% of 864.72 is 259.416

864.72 - 259.416 = 605.304 4% of 605.3 = 24.212 605.3 + 24.21 = 629.51

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2 years ago

X - 4y = 28<br> 2x + y =2

Tresset [83]

X - 4y = 28
2x + y = 2

solve for x
y= -2x + 2
y= x/4 - 7

solve for system of equations
(4,-6)
x= 4, y= -6

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2 years ago

Find the slope of the line using the points (0,4) and (-3,6)

Anna007 [38]

slope = - $\frac{2}{3}$

calculate the slope m using the gradient formula

m= (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (- 3, 6)

m = $\frac{6-4}{-3-0}$ = $\frac{2}{-3}$ = - $\frac{2}{3}$

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3 years ago

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Ruiz needs to buy a countertop for a kitchen. He calculated the area to be 16 square feet. The actual area is 15.4 square feet.

Marina86 [1]

First, subtract the two values:

16 - 15.4 = 0.6

Now divide this to the actual area:

0.6 / 15.4 = 0.038961039

Multiply by 100:

0.038961039 * 100 = 3.8961039

So the percent error is approximately 3.9%

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3 years ago

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I need this done in 15 mins pls help

Elza [17]

Answer: 35, 31, 25, 18

Step-by-step explanation:

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