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Vladimir79 [104]
2 years ago
11

A 13 ounce box of cereal cost $3.99. What is the unit price per pound?

Mathematics
1 answer:
goldenfox [79]2 years ago
4 0

Answer:

I dont know how many pounds are in an ounce but I'll give you an explanation using kilograms and grams as an example and I'll talk you through it

Step-by-step explanation:

there are 1000 grams(g) in a kilograms (kg) just so you know

let's say I have a 13 g box of cereal for $3.99.

I do a ratio to work out 1 kg

13 g : $3.99

1000g : x

In your case your going to write

13 ounces : $3.99

[here write how many

ounces are in a pound] : x

to find x you 1st have to take the 2 numbers you do know and divide them

so in my example I do 1000g÷13 g = 76

then I take 76.92 and I multiply it by the other side

$3.99 x 76.92 = 306.91

for me 1kg of cereal is worth $306.91

all you need to do is replace my 1 kg with how many ounces are in a pound

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Answer:

Distance = 58\ feet

Step-by-step explanation:

Represent the lure's difference with A and B;

A = 23\ feet

B = 81\ feet

Required

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The distance is calculated as follows;

Distance = B - A

Substitute 23 feet for A and 81 feet for B

Distance = 81\ feet - 23\ feet

Distance = 58\ feet

<em>Hence, the distance between both lure's is 58 feet</em>

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Now imagine that instead of walking along the path 1→2→3→4→1, ann walks 80 meters on a straight line 33∘ north of east starting
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Answer:

Anna's walk  as a vector representation is 80\cos 33^{\circ}\hat{i}+80 \sin33^{\circ}\hat{j} and refer attachment.

Step-by-step explanation:

Let the origin be the point 1 from where Ann start walking.

Ann walks 80 meters on a straight line 33° north of the east starting at point 1 as shown in figure below,

Resolving into the vectors, the vertical component will be 80Sin33° and Horizontal component will be 80Cos33° as shown in figure (2)

Ann walk as a vector representation is 80\cos 33^{\circ}\hat{i}+80 \sin33^{\circ}\hat{j}

Thus, Anna's walk  as a vector representation is 80\cos 33^{\circ}\hat{i}+80 \sin33^{\circ}\hat{j}

 




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Answer:

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Step-by-step explanation:

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For ΔABC, ∠A = 4x - 10, ∠B = 5x + 10, and ∠C = 7x + 20. If ΔABC undergoes a dilation by a scale factor of 1 3 to create ΔA'B'C'
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