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Korolek [52]
3 years ago
14

If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function?

Mathematics
1 answer:
pashok25 [27]3 years ago
8 0

Answer: (an)(x)

Step-by-step explanation:

quizlet

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A store has clearance items that have been marked down by 60% they having a sale, advertising an additional 30% off clearance it
bagirrra123 [75]

The original price is 100% of the price. If the price is marked 60% off, then you pay 40% of the original price.

An item costs x dollars.

With the 60% off discount, it now costs 40% of x, or 0.4x.

Now you apply a 30% discount.

For the second discount, consider the price 0.4x to be the new original price. If the price is now discounted 30%, you will pay 70% of the new original price.

Start with 0.4x.

Now calculate 70% of 0.4x.

70% of 0.4x = 0.70 * 0.4x = 0.28x

After applying the 60% discount and the 30% discount, the item that originally cost x now costs 0.28x. 0.28x is the same as 28% of x. The amount you pay is 28% of the original price.

Answer: 28%

3 0
3 years ago
The lateral area of a cone is 558 ou cm ^2 . The radius is 31 cm. Find the slant height to the nearest
Kamila [148]

Answer:

83.8 cm

Step-by-step explanation:

3 0
3 years ago
Given that 1 inch = 2.54 cm, how many centimeters are there in 7 feet? Answers may be written using decimals form and should be
vodomira [7]

Answer:

There are 213.36 centimeters in 7 feet.

Step-by-step explanation:

It is given that:

1 inch = 2.54 cm

We have to find centimeters in 7 feet.

We will convert feet to inches.

1 feet = 12 inches

7 feet = 12*7 = 84 inches

Now,

1 inch = 2.54 cm

84 inches = 2.54 * 84

84 inches = 213.36 cm

Therefore,

There are 213.36 centimeters in 7 feet.

5 0
3 years ago
Help me ASAP!<br><br> *show work for both*<br> *Brainliest*
vaieri [72.5K]
3


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8 0
3 years ago
Takumi plants a tree in his backyard and studies how the number of branches grows over
kotykmax [81]

Answer:

t (years)= (10log 20/log 1000) in base 10

Step-by-step explanation:

N = 5 × 10^0.3t

N = 100 branches

100 = 5 × 10^0.3t

100/5 = 10^0.3t

20 = 10^0.3t

Taking log of both sides

Log 20 base 10 = 0.3t

Log 20 base 10 = (3/10)t

Multiply both sides by 10

10log 20 base 10 = 3t

Recall, log 1000 base 10 = 3

10 Log 20 base 10 = (log 1000 base 10)×t

t = (10Log 20 base 10)/(log 1000 base 10)

t (years)= (10log 20/log 1000) in base 10

The number of years it will take for the tree to have 100branches is (10log 20/log 1000) in base 10

8 0
3 years ago
Read 2 more answers
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