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kozerog [31]
3 years ago
11

If a box of granola bars cost 2.25 and contains 8 bars, what is the cost of each bar? Round to the nearest cent

Mathematics
2 answers:
liubo4ka [24]3 years ago
7 0
Divide 8 by 2.25 and get a rounded answer of .28 cents
valentina_108 [34]3 years ago
5 0
Just divide 2.25 by 8 and thatll be 
0.28 
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Joe is building a post for his mailbox. To find the correct dimensions, he needs to expand this expression: (x-3) (x-9) (x-4) Se
kolbaska11 [484]

Answer:

(x-3)(x-9)(x-4)=x^3-16x^2+75x-108

Step-by-step explanation:

Given:

The expression to expand is given as:

(x-3)(x-9)(x-4)

Let us expand the first two binomials of the given expression using FOIL method.

The FOIL method states that:

(a + b)(c + d) = ac + ad + bc + bd

(x-3)(x-9)=(x\times x)+(x\times -9)+(-3\times x)+(-3\times -9)\\\\(x-3)(x-9)=x^2-9x-3x+27=x^2-12x+27

Now, let us multiply the result with the remaining binomial. Multiplying each term of the trinomial with each term of the binomial, we get:

(x^2-12x+27)(x-4)\\\\= (x^2\times x)+ (x^2\times -4)+(-12x\times x)+(-12x\times -4)+(27\times x)+(27\times -4)\\\\=x^3-4x^2-12x^2+48x+27x-108\\\\=x^3-16x^2+75x-108...........(\because-12x^2-4x^2=-16x^2,48x+27x=75x)

Therefore, the equivalent expression after expanding is given as:

(x-3)(x-9)(x-4)=x^3-16x^2+75x-108

3 0
3 years ago
20% percent tip on 8 dollar
sesenic [268]

Answer:

9.60 dollars tip is $1.60

Step-by-step explanation:

8 0
2 years ago
The equation which represents x, the width of the border is 2 left-bracket (12 + 2 x) + (15 + 2 x) right-bracket = 74. What is t
bulgar [2K]

Answer:

2 1/2

Step-by-step explanation:

If you do the step by step calculation:

Step 1: Simplify both sides of the equation.

2(12+2x+15+2x)=74

(2)(12)+(2)(2x)+(2)(15)+(2)(2x)=74(Distribute)

24+4x+30+4x=74

(4x+4x)+(24+30)=74(Combine Like Terms)

8x+54=74

8x+54=74

Step 2: Subtract 54 from both sides.

8x+54−54=74−54

8x=20

Step 3: Divide both sides by 8.

8x divide by 8 and that is 20 divided by 8

leaves you with the answer 5/2.

If you then turn the improper fraction into a mixed fraction you get 2 and one half.

Answer= 2 1/2 or "a" <u>DEPENDS ON WHAT QUIZ YOU HAVE</u>

Peace!

4 0
3 years ago
A translation has this rule: (x - 5, y). What is the translation?
Neporo4naja [7]

Answer:

A

Step-by-step explanation:

For example (7-5,y)

7-5=2

————————-————-—————————-

 0.       2.         5.         7

           |        7-5           |

           |———————- |

     You would move to the right 5 units.

6 0
3 years ago
How do I draw a model for 3 divided by 4
11111nata11111 [884]

I think one model would / could be 3 / 4  

5 0
3 years ago
Read 2 more answers
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