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Solnce55 [7]
4 years ago
11

By what percent will the product of two numbers decrease if one of them is increased by 20% and the other is decreased by 20%?

Mathematics
1 answer:
Pavlova-9 [17]4 years ago
7 0
It will stay the same (increasing one by 20 percent and decreasing the other will make it cancel out)
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Six more than twice the number of occupants is equal to the number of bundles.
dmitriy555 [2]

Answer:

b=2p+6

Step-by-step explanation:

Let the number of bundles of palm leaves : b

Let the number of occupants : p

We are asked to Translate the sentence given below into an equation.

Six more than twice the number of occupants is equal to the number of bundles.

i)6 more means : +6

ii)twice the number of occupants : 2p

iii) Number of Bundles : b

Hence

b=2p+6

4 0
4 years ago
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If the mean weight of 4 backfield members on the football team is 323 lb and the mean weight of the 7 other players is 190 lb, w
alekssr [168]

Answer:

256.5 lbs

Step-by-step explanation:

Add 323 and 190, and divide by 2.

8 0
3 years ago
Let X be the time it takes for a person to choose a birthday gift, where X has an average value of 27 minutes. If the random var
jeka57 [31]

Answer:

The parameters of this exponential distribution is \lambda = \frac{1}{27} .

Step-by-step explanation:

We are given that the random variable X is known to be exponentially distributed and let X be the time it takes for a person to choose a birthday gift, where X has an average value of 27 minutes.

<u><em>So, X = time it takes for a person to choose a birthday gift</em></u>

The probability distribution function of exponential distribution is given by;

 f(x) = \lambda e^{-\lambda x}  , x >0      where, \lambda = parameter of distribution.

Now, the mean of exponential distribution is = \frac{1}{\lambda}  which is given to us as average value of 27 minutes that means  \lambda = \frac{1}{27} .

So, X ~ Exp( \lambda = \frac{1}{27} ) .

Therefore, the parameter of this exponential distribution is \lambda .

5 0
4 years ago
Can someone please help me
Kaylis [27]

9514 1404 393

Answer:

  1. 125 in²
  2. 676 km²
  3. 20 square units

Step-by-step explanation:

The Pythagorean theorem tells you the square on the hypotenuse is equal to the sum of the squares on the other two sides. (This is the version you use for problem 2.)

This also means the square on one side is the difference between the square on the hypotenuse and the square on the other side. (Use this version for problems 1 and 3.)

1. ? = 200 in² -75 in² = 125 in²

2. ? = 576 km² + 100 km² = 676 km²

3. ? = 36 square units - 16 square units = 20 square units

4 0
3 years ago
Explain how to use the missing pieces ready to compare to fractions. Include a diagram with you exclamation.
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