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KonstantinChe [14]
3 years ago
6

Identify the percent of change as an increase or a decrease. 1/4 to 1/2 Find the percent of change. Round to the nearest tenth o

f a percent if necessary.
Mathematics
1 answer:
galben [10]3 years ago
5 0

Answer:

Increase by 100%

Step-by-step explanation:

To find the percent increase/decrease:

  1. Subtract the original value from the new value.
  2. Divide by the original value.
  3. Multiply the decimal by 100 to convert to a percent.

Follow these steps below. Notice the fractions 1/2 and 1/4 have been converted to decimals to more easily work with them. Remember 1/2 = 0.5 and 1/4 = 0.25.

1/2 - 1/4 = 0.5 - 0.25 = 0.25

0.25/0.25 = 1

1*100 = 100%

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3 years ago
The function g(x) is defined as g(x) = −2x^2 + 3x.The value of g(−3) is
Tresset [83]

Answer:

g(-3) = -27

Step-by-step explanation:

g(x) = -2x² + 3x ---> g(-3)

g(-3) = -2<u>(-3)²</u> + 3(-3)

g(-3) = <u>-2(9)</u> + <u>3(-3)</u>

g(-3) = <u>-18 - 9</u>

g(-3) = -27

Hope this helps, thank you :) !!

4 0
3 years ago
Rosa's best time in a race is two seconds faster than her second-best time. Her second-best time is 1 1/4 times her best time. W
Svetradugi [14.3K]
B) 10 seconds. 10/8=1 1/4
8 0
3 years ago
For numbers 14a-14d , tell which expressions require you to rename mixed numbers before you can subtract. Find each difference.
ExtremeBDS [4]

Answer:

14b and 14d require renaming mixed numbers; 14a) 3 3/20; 14b) 2 1/8; 14c) 1 13/24; 14d) 3 3/6 = 3 1/2

Step-by-step explanation:

14a) First we find the least common denominator (LCD).  The first thing that both 5 and 4 will divide into is 20; this is our LCD.

It takes 4 5's to make 20; multiplying the numerator by 4, we have 5 8/20.  It takes 5 4's to make 20; multiplying the numerator by 5, we have 2 5/20.  Subtracting these,

5 8/20 - 2 5/20 = 3 3/20

14b) We must write the whole number 5 as a mixed number with a denominator of 8; 5 = 4 8/8.  This gives us

4 8/8 - 2 7/8 = 2 1/8

14c) The LCD of 3 and 8 is 24.  It takes 8 3's to make 24; multiplying the numerator by 8, we have 7 16/24.  It takes 3 8's to make 24; multiplying the numerator by 3, we have 6 3/24.  Subtracting we have

7 16/24 - 6 3/24 = 1 13/24.

14d) The LCD of 6 and 3 is 6.  Since the first mixed number has a denominator of 6, we leave it:  9 1/6.  It takes 2 3's to make 6; multiplying the numerator by 2, we have 5 4/6.  Subtracting we would have

9 1/6 - 5 4/6

We are subtracting a larger fraction from a smaller one.  This means we borrow a whole from the whole number, making it 8; this makes the fraction (6+1)/6 = 7/6.  This gives us

8 7/6 - 5 4/6 = 3 3/6 = 3 1/2

6 0
3 years ago
Read 2 more answers
A town has a population of 12000 and grows at 5% every year. What will be the population after 12 years, to the nearest whole nu
Marizza181 [45]

Answer:

  21,550

Step-by-step explanation:

An increase of 5% means the population is multiplied by 100% +5% = 1.05. This occurs each year for 12 years, so the multiplier is ...

  1.05¹² ≈ 1.7958563

When the initial population is multiplied by this factor, it becomes ...

  12,000×1.7958563 ≈ 21,550

5 0
3 years ago
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