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Snowcat [4.5K]
2 years ago
8

Rook buys a shirt from the mall because he has a 25% off coupon. The shirt originally coats $55. Write two expressions to repres

ent the sale price.
Mathematics
2 answers:
ozzi2 years ago
4 0
One expression:  0.75 x 55
another expression: (100% - 25%) x 55
Neporo4naja [7]2 years ago
3 0
1.100-25=75x55
2.75x55
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Answer:

(f+g)(x) = 60x + 400

Step-by-step explanation:

Given :

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f(x) = 20x + 100

Amount in account B :

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Total amount in Account A and B:

f(x) + g(x) = (20x + 100) + (40x + 300)

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6 0
3 years ago
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Solution :

Given that :

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The length of arc EF = $2 \pi r \times \frac{\theta}{360^\circ}$

                                   $=2 \times 3.14 \times 6 \times \frac{140^\circ}{360^\circ}$

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In circle C

\angle GCH = \theta = 140^\circ

The length of arc GH = $2 \pi r \times \frac{\theta}{360^\circ}$

                                   $=2 \times 3.14 \times 4 \times \frac{140^\circ}{360^\circ}$

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Therefore,

The length of EF is 14.653 cm

The length of GH is 9.769 cm

The length of EF is  1.5 times the length of GH

i.e.                   14.653  = 1.5 x 9.769

                       14.653 = 14.653

Hence proved.

                             

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What is the equation of the following line you should scroll down to see all Answer options
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Given

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