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Sunny_sXe [5.5K]
3 years ago
15

Do the equation 5y-2x=18 and 6x=-4y-10 form a system of linear equations?

Mathematics
1 answer:
zubka84 [21]3 years ago
5 0
A) <span><span>-2x +</span>5y = 18
B) 6x </span><span><span>+4y </span>= -10
Yes, they are simultaneous equations with one solution.

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Riley’s Rug Warehouse purchases rugs from the manufacturer for $82.00 each. The manager marks the rugs up 150% and then includes
Volgvan

A customer will pay $225.5 for one rug.

Step-by-step explanation:

Given,

Purchase price of rug = $82.00

Mark up = 150%

Amount of mark up = 150% of purchase price

Amount of mark up = \frac{150}{100}*82

Amount of mark up = 1.5*82 = $123

Price of rug after mark up = Purchase price + Mark up

Price of rug after mark up = 82+123 = $205

Sales tax = 10%

Amount of sales tax = 10% of price after markup

Amount of sales tax = \frac{10}{100}*205=\$20.5

Selling price = Price after markup + Amount of sales tax

Selling price = 205+20.5 = $225.5

A customer will pay $225.5 for one rug.

Keywords: percentage, markup

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3 years ago
If f(x) is linear, f(− 1) = 9 , and f(2) =− 24, find f(x).
professor190 [17]

Answer: Equation of st line is Y= -9X + 141

Step-by-step explanation: Given Y= 24 when X = 13 and Y = 87 when X = 6

Let the equation be Y = mX + C

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Give m = -9 and C = 141

Equation of st line is Y= -9X + 141

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What is the difference between the following two regression​ equations? ModifyingAbove y with caret equals b 0 plus b 1 xy=b0+b1
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Answer:

A. The first equation is for sample​ data; the second equation is for a population.

Step-by-step explanation:

The first equation is y = b_0 + b_1x , this is the equation for sample data as the intercept (b_0) and the slope parameter(b_1)  both are calculated then we have got this and these values are not taken as given.

The Second equation is y = \beta _0 +\beta _1x , this is the equation for population data as we can't calculate these \beta _0 and \beta _1 as we take these values as given and also we do testing for \beta parameter using t test and it is sure that testing is always done on population data not on sample data.

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3 years ago
Please help I need the answer before 9 <br><br><br><br><br><br><br>​
LUCKY_DIMON [66]

Answer:

y = 3x-5

Step-by-step explanation:

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3 years ago
The model represents the equation 3x – 2 &lt; 4. What is the solution for this inequality? x &lt; 2 x &lt; 6 x &lt; -2 x &lt; -3
Oksana_A [137]

Answer:

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Step-by-step explanation:

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