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andre [41]
3 years ago
7

Find the solutions for w​

Mathematics
1 answer:
baherus [9]3 years ago
3 0
Calculation:

(Length) (width) (height)

(2w+4) (w) (18-w) = 1152

(2w^2+4w) (18-w) = 1152

Distributive property:

36w^2 -2w^3+72w-4w^2 =1152

Remember to use FOIL method:

-2w^3 +32w^2+72w-1152 =0

Like terms:

-2(w^3-16w^2-36w+576) = 0

Factor it by 2:

w^3 -16w^2-36w+576 =0

Simplify:

w^2(w-16)-36(w-16) =0

(w^2-36) (w-16) = 0

w= -6,6,16

Width:

w = 6,16

Since width is 16, then the height should be less than the width (18-16=2)

Length of gift bag: 2(6)+4

=16 inches.

Width of the bag: 6

Height of the bag: 18-6

12 inches.

Answer: 16, 6 and 12 inches.
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Four glasses of milk and 2 snack bars have a total of 72 carbohydrates​ (carbs), and 2 glasses of milk and 3 snack bars have a t
Travka [436]

One glass of milk has 11 carbs and one snack bar has 14 carbs.

Step-by-step explanation:

Let,

Glass of milk = x

Snack bar = y

According to given statement;

4x+2y=72   Eqn 1

2x+3y=64   Eqn 2

Multiplying Eqn 2 by 2

2(2x+3y=64)\\4x+6y=128\ \ \ Eqn\ 3

Subtracting Eqn 1 from Eqn 3

(4x+6y)-(4x+2y)=128-72\\4x+6y-4x-2y=56\\4y=56

Dividing both sides by 4

\frac{4y}{4}=\frac{56}{4}\\y=14

Putting y=14 in Eqn 1

4x+2(14)=72\\4x+28=72\\4x=72-28\\4x=44

Dividing both sides by 4

\frac{4x}{4}=\frac{44}{4}\\x=11

One glass of milk has 11 carbs and one snack bar has 14 carbs.

Keywords: linear equations, subtraction

Learn more about linear equations at:

  • brainly.com/question/5461619
  • brainly.com/question/5510873

#LearnwithBrainly

6 0
3 years ago
It is sometimes possible to write two inequalities as a inequality.
goblinko [34]
Hi!

Yes, it is. When we have one inequality composed of two inequalities, we call this a double inequality. 

A double inequality would look something like <em>-5 < 4x < 10.

</em>Hopefully, this helps! =)<em>
</em>
7 0
3 years ago
Please help I'm very confused
Alex Ar [27]

Answer: OCTOBER 16th

Step-by-step explanation: The teams will meet again on October 16th

8 0
3 years ago
If Tom swam 1000 me in 2/3 of an hour how fast did he swim​
vekshin1

Step-by-step explanation:

one hour=60min

2/3 of an hour

=2/3x60=40min

1000 metres in 40 minutes

4 0
4 years ago
Use repeated subtraction to divide 86 divided by 9
Fudgin [204]

-- Start with 86.

-- Subtract 9 the first time.        You have  77 left.

-- Subtract 9 the 2nd time.        You have  68 left.

-- Subtract 9 the 3rd time.        You have  59 left.

-- Subtract 9 the 4th time.        You have  50 left.

-- Subtract 9 the 5th time.        You have  41 left.

-- Subtract 9 the 6th time.        You have  32 left.

-- Subtract 9 the 7th time.        You have  23 left.

-- Subtract 9 the 8th time.        You have  14 left.

-- Subtract 9 the 9th time.        You only have 5 left, so you can't subtract 9 again.

                                                 You subtracted it 9 times, and you have 5 left.

                                                 So  86  divided by 9 is  (9 with remainder 5) .

3 0
4 years ago
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