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Brut [27]
3 years ago
15

A local gas station is offering a deal to their customers. If they purchase an $8.00 car wash, the cost per gallon gas is $2.60.

Write and solve a linear equation to find how many gallons you can afford if you have $40.
Mathematics
1 answer:
Rina8888 [55]3 years ago
5 0

Answer:

y = 2.6x + 8

Plug 40 into y

40 = 2.6x + 8 and solve for x

x = 12.3 gallons

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Answer:

b.) 11 Ibs.

Step-by-step explanation:

6 0
3 years ago
Solve the given equation by completing the square.
Dmitriy789 [7]

Answer:

a = -4, b = 3 and c = 6 (OR)

a = -4, b = -3 and c = 6

Step-by-step explanation:

x^{2} +8x = 38

Add 16 to both sides.

x^{2} +8x+16 = 38 + 16

(x+4)^{2} =54

x + 4 = \sqrt{54} or x + 4 = -\sqrt{54}

x+4=3\sqrt{6} or x+4=-3\sqrt{6}

x=-4+3\sqrt{6} or x=-4-3\sqrt{6}

Therefore, a = -4, b = 3 and c = 6 (OR)

a = -4, b = -3 and c = 6

6 0
3 years ago
Read 2 more answers
-2(11-12x)= -4(1-6x)
GalinKa [24]

The given equation -2(11 - 12x) = -4(1 - 6x) has infinite solutions

<u><em>Solution:</em></u>

Given that we have to solve the given expression

Given expression is:

-2(11 - 12x) = -4(1- 6x)

We have to use distributive property to solve the given expression

The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.

Which means,

a(b + c) = ab + ac

Apply this in given expression

-2(11 - 12x) = -4(1-6x)

-22 + 24x = -4 + 24x

When both sides of the equation are simplified, the coefficients are the same, then infinite number of solutions occur

If we end up with the same term on both sides of the equal sign, such as 24x = 24x, then we have infinite solutions

5 0
3 years ago
What is the value of 6! ?
Anika [276]

6 ! = 720

the definition of n ! ( n factorial ) is

n ! = n(n - 1)(n - 2) ..........× 3 × 2 × 1

6 ! = 6 × 5 × 4 × 3 × 2 × 1 = 720


3 0
3 years ago
Read 2 more answers
The area of a circle is<br><img src="https://tex.z-dn.net/?f=144%5Cpi%20%5C%3A%20%20%7Bm%7D%5E%7B2%7D%20" id="TexFormula1" title
DiKsa [7]

Answer:

24

Step-by-step explanation:

The area is calculated by multplying radius (half of diameter) by itself and then with number pi

the area for this circle is given as

144π m^2

144 is the squared form of 12 if the radius is 12 the diameter is 24

5 0
3 years ago
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