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Vladimir79 [104]
3 years ago
8

The original price of a computer is $899. Four store coupons are listed. Which coupon is the best deal for the computer? A) SAVE

$150 ON ANY COMPUTER B) SAVE 25% ON ANY COMPUTER C) SAVE $75 PLUS 15% OFF ON ANY COMPUTER D) SAVE $50 PLUS 20% OFF ON ANY COMPUTER
Mathematics
2 answers:
Ivan3 years ago
6 0
Hey! 

We can check which would give us a better price by calculating each final price after the discount has been added: 

Option A): 

$899 - $150 = $749

Option A) will cost $749.

Option B) 

$899 × 0.25 = $224.75

$899 - $224.75 = $674.25

Option B) will cost $674.25

Option C) 

$899 - $75 = $824

$824 × 0.15 = $123.6

$824 - $123.6 = $700.4

Option C) will cost $700.4

Option D)

$899 - $50 = $849

$849 × 0.20 = $169.8

$849 - $169.8 = 679.2

Option D) will cost $679.2

So, Coupon B) $674.25 is the best deal for the computer.
Sidana [21]3 years ago
6 0

Answer:

B) SAVE 25% ON ANY COMPUTER

Step-by-step explanation:

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2 years ago
If QS bisects PQT, SQT=(8x- 25),PQT=(9x+34), and SQR=112, find each measure.
Goryan [66]

The values of the angles are; x = 12°, m∠PQS = 71°, m∠PQT = 142° and m∠TQR = 41°

<h3>What are the measure of the each angle?</h3>

The required angles; x, m∠PQS, m∠PQT, and m∠TQR

The given parameters are bisects ∠PQT

m∠SQT = (8·x - 25)°

m∠PQT = (9·x + 34)°

m∠SQR = 112°

We have;

m∠PQT = m∠SQT + m∠PQS (Angle addition postulate)

m∠SQT ≅ m∠PQS (Angles formed by angle bisector are congruent)

m∠SQT = m∠PQS  by Definition of congruency

m∠PQT = 2 × m∠SQT

Therefore;

(9·x + 34)° = 2 × (8·x - 25)° = (16·x - 50)°

Collecting like terms gives:

(34 + 50)° = 16·x - 9·x = 7·x

7·x = 84°

x = 84°/7 = 12°

x = 12°

m∠SQT = (8·x - 25)°

Therefore;

m∠SQT = (8 × 12 - 25)° = 71°

m∠SQT = 71°

m∠PQT = 2 × m∠SQT

∴ m∠PQT = 2 × 71° = 142°

m∠PQT = 142°

m∠PQS = m∠SQT (Angles formed by the same bisector )

∴ m∠PQS = m∠SQT = 71°

m∠PQS = 71°

m∠SQR = m∠SQT + m∠TQR (Angle addition postulate)

m∠SQT = 71°

∴  m∠SQR = 112° = 71° + m∠TQR

m∠TQR = 112° - 71° = 41°

m∠TQR = 41°

Learn more about angles here:

brainly.com/question/2882938

#SPJ1

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