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swat32
3 years ago
7

How to do this question I need to go to school on 1/9

Mathematics
2 answers:
ELEN [110]3 years ago
5 0
$7.9 cost of one pack
10 packs cost is $79
She pays $29 + Voucher

From the total $79 we substract the $29 she paid with cash or card.

79-29=50

So the value of the voucher is $50

PS: celia should cut on chocolate. Not healthy for her :)
Shkiper50 [21]3 years ago
3 0

1 pack = $7.90

10 packs = $7.90 x 10 = $79

Celia pays $29 plus a voucher to equal $79.

29 + (voucher) = 79

(voucher) = 50 <em>subtracted 29 from both sides</em>

Answer: $50

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1 mile = about 1  1/3 km because 8/6  = 1 1/3
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3 0
3 years ago
The radius of a cylindrical gift box is ​(4x + 1​) inches. The height of the gift box is three times the radius. What is the sur
user100 [1]

Answer:

S = 128πx² + 64πx + 8π

Step-by-step explanation:

Suraface area of a cylinder is given by:

S = 2πrh + 2πr²

We know that the height is 3 times as big as the radius, hence:

h = 3r

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S = 2πrh + 2πr²

S = 2πr(3r) + 2πr²

S = 6πr² + 2πr²

S = 8πr²

We're given in the question that the radius is ​(4x + 1​) inches, so plug that into r.

Given: r = 4x + 1​

Therefore,

S = 8πr²

S = 8π(4x + 1​)²

S = 8π(16x²+8x+1)

S = 128πx² + 64πx + 8π

8 0
3 years ago
Read 2 more answers
What are the roots of 2x^2+10×-48=0
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X=-8,3.
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Point Y is (6, -1)

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3 years ago
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Annette [7]
11% discount
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5 0
3 years ago
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