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4 years ago

14

Please answer this one

2 answers:

taurus [48]4 years ago

6 0

Store 2 :) because it is cheaper.by

Liono4ka [1.6K]4 years ago

3 0

Answer:

Store 2 has a better deal do u want an explanation

Step-by-step explanation:

okay so my explanation is if they both are selling for the same price then look at how many they are selling if store 1 is selling 12 for 3.50 and Store 2 is selling 15 then Store 2 has the better price. Hint if you ever have a problem lie this then you first look at the price if the price is the same then you look at how many they are selling if one of them is selling more than that is the better price

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The martinez family has a walkway around their swimming pool. the area of the walkway can

DiKsa [7]

The width of the walkaway be 4 feet.

<h3>What is Discriminant Formula?</h3>

The discriminant formula is used to determine the nature of the roots of a quadratic equation. The discriminant of a quadratic equation $ax^{2} +bx+c=0$ is D = $b^{2} -4ac$

If D > 0, then the equation has two real distinct roots.

If D = 0, then the equation has only one real root.

Given that: $Area\; of \;walkway,\; a(w)\;= 4w^{2} + 100 w$

also, area of walkaway = 464 square feet.

So, $4w^{2} + 100 w =464$

$4w^{2} + 100 w -464=0$

Using Discriminant method,

a=4, b=100, c=-464

$w= \frac{-b\pm\sqrt{b^{2}-4ac} }{2a}$

w= $\frac{-100\pm\sqrt{(100)^{2}-4*4*(-464)} }{2*4}$

w= $\frac{-100\pm\sqrt{17424} }{8}$

So, $w_1= \frac{-100+\sqrt{17424} }{8} \;\;\;\; w_2= \frac{-100-\sqrt{17424} }{8}$

$w_1= \frac{-100+132 }{8} \;\;\;\; w_2= \frac{-100-132}{8}$

$w_1 = 4 \;\;\;\; and \;\;\; w_2= -29$

Hence the width of the walkaway be 4 feet.

Learn more about discriminant formula here:

brainly.com/question/2615966

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8 0

2 years ago

The distance between - 5 and -7

Lena [83]

Answer:

-2

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Isnt it the definition

zepelin [54]

What do you mean " Inst it the definition?

4 0

3 years ago

Center (3, -4) tangent to the y-axis what is the radius?

lina2011 [118]

Answer:

4 units.

Step-by-step explanation:

As its a tangent to the y axis the radius is 0 - (-4) = 4 units.

3 0

3 years ago

Need help plz I need your help

Sholpan [36]

The answer would be $29 an hour, because 29 times 2 = 58 and 58+ 29 = 87

5 0

3 years ago

Read 2 more answers