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alexandr402 [8]
3 years ago
8

Sandals are on sale for 30% off. The original price of one pair of sandals is $30

Mathematics
1 answer:
suter [353]3 years ago
7 0

Answer:

$21

Step-by-step explanation:

Original price of sandal = $30

Discount = 30%

What is the new cost of sandals after the discount?

Amount of discount = discount × original price

= 30% × $30

= 30 / 100 × 30

= 9

Amount of discount = $9

New price of sandal = Old price - amount of discount

= $30 - $9

= $21

New price of sandal = $21

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The hypotenuse of a 45°-45°-90° triangle measures 128 cm. A right triangle is shown. The length of the hypotenuse is 128 centime
Aleks [24]

Answer:

64√2 or 64 StartRoot 2 EndRoot

Step-by-step explanation:

A 45-45-90 traingle is a special traingle.  Let's say one of the leg of the triangle is x. The other one is also x because of the isosocles triangle theorem.  Therefore, using the pytagorean theorem, you find that x^2+x^2=c^2.  2(x)^2=c^2.  You then square root both sides and get c= x√2.  

Therefore, the two legs are x and the hypotenuse is x√2.  x√2=128 because the question says that the hypotenuse is 128.  Solve for x by dividing both sides by √2.  X=128/√2.  You rationalize it by multiplying the numberator and denominator of the fraction by √2.  √2*√2= 2.

X=(128√2)/2= 64√2 cm.

Since X is the leg, the answer would be 64√2

3 0
3 years ago
Read 2 more answers
Summerfield has a population of 26,000 people. The town has been seeing its population decline by 10% every year. If this trend
photoshop1234 [79]

Answer:

should be 1007

1007.2932714 if we're being exact.

6 0
4 years ago
a medical transcriptionist has a four drawer cabinet. one drawer is 4/5 full and one is 1/2 full and one drawer is 3/4 full. can
amid [387]

Answer:

Yes, provided they are all the same size.

Step-by-step explanation:

4/5=0.8

1/2=0.5

3/4=0.75

0.8+0.5+0.75=n

8+5=13

0.8+0.5=1.3

1.3+0.75=2.05

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3 years ago
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Which of the binomials below is a factor of this trinomial?
Degger [83]
The factor is (x+6)(x+6)
So, D. x+6 is the correct answer :)
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3 years ago
What is the additive inverse of 2/3
MissTica

Answer:

Your answer would be -2/3.

Step-by-step explanation:


7 0
3 years ago
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