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jekas [21]
2 years ago
9

A dvd normally costs $15. It is reduced to $9.75 in a sale. How much is the percentage reduction

Mathematics
1 answer:
Ivahew [28]2 years ago
5 0

Answer:

You are paying 65% of the original price.

Step-by-step explanation:

So what I did is trial and error by 5 so I started with 75% and then 70% and so on until 65%

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Four tomatoes cost $3.40. What is the unit rate?
77julia77 [94]

Answer:

$0.85 per tomato

Step-by-step explanation:

A unit rate is the cost for one item. Like $0.99 for this one bag of skittles.

So $3.40 divided by four is $0.85.

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2 years ago
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The angles of a triangle are in the ratio 11 : 5 : 2. The side opposite the largest angle is 5.5 centimeters. The length of the
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The side opposite the lasrgest angle will also be the largest side in the triangle

Here it s 5.5 cms.

so using the given ratios we have

2/11 = x /5.5   where x is the smallest side (opposite the smallest angle)

x = (2*5.5) / 11  =  1 cm.
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Brad get an allowance of $16 each week, and his younger sister Samantha gets an allowance of $9 each week. Brad save one-half of
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Answer:

160

Step-by-step explanation:

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2 years ago
3. Dr. Silas studies the culture of bacteria under a microscope. The function b1(t) = 1200 (1.8)^t represents the number of bact
Dominik [7]

Answer:

  (a) the initial count of bacteria

  (b) the growth factor (per hour)

  (c) the initial count in the second study

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Step-by-step explanation:

(a) 1200 is b1(0), the initial count of bacteria.

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(b) 1.8 is the growth factor per hour, the factor that multiplies the previous hour's count to get this hour's count.

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(c) Assuming b2(t) = 1000(1.8)^t, the value 1000 is the initial count of bacteria in the second study, b2(0).

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(d) The difference between 1200 and 1000 means the first study started with 200 more bacteria than the second study did

3 0
2 years ago
A telemarketer earns a base salary of $3,000 per month, plus an annual bonus of 2.5% of total sales above $250,000. Which functi
gavmur [86]

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c    S(x) = 12(3,000) + 0.025(x – 250,000)

Step-by-step explanation:

I got it right

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