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seraphim [82]
2 years ago
8

The population of a certain city is decreased by 5332 in 20 years express the change in population per year as a unit rate

Mathematics
1 answer:
3241004551 [841]2 years ago
5 0

Answer:

266.6 per year

Step-by-step explanation:

53392 / 20 = 266.6

= 266.6 per year

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Use the Commutative Property to write an expression equivalent to –5d + 1/2.
Jet001 [13]

Answer: 12-5d

because all you do is flip the expression

7 0
2 years ago
Read 2 more answers
What are some expressions equivalent to 12x + 4?
Vanyuwa [196]
12x + 4

divide 4 from each monomial

12x/4 = 3x
4/4 = 1

4(3x + 1) is a equivalent expression.


hope this helps
5 0
3 years ago
Read 2 more answers
Use the given values of n and p to find the minimum usual value μ - 2σ and the maximum usual value μ + 2σ. Round your answer to
fenix001 [56]

Given Information:  

number of trials = n = 1042

Probability of success = p = 0.80

Required Information:  

Maximum usual value = μ + 2σ = ?

Minimum usual value = μ - 2σ = ?

Answer:

Maximum usual value = 859.51

Minimum usual value = 807.78

Step-by-step explanation:

In a binomial distribution, the mean μ is given by

μ = np

μ = 1042*0.80

μ = 833.6

The standard deviation is given by

σ = √np(1 - p)

σ = √1042*0.80(1 - 0.80)

σ = √833.6(0.20)

σ = 12.91

The Maximum and Minimum usual values are

μ + 2σ = 833.6 + 2*12.91

μ + 2σ = 833.6 + 25.82

μ + 2σ = 859.51

μ - 2σ = 833.6 - 25.82

μ - 2σ = 807.78

Therefore, the minimum usual value is 807.78 and maximum usual value is 859.51

8 0
3 years ago
Please help ASAP!!! will give out brainiest!!!
Phantasy [73]

Answer:

5 miles

Step-by-step explanation:

if you do divide 26,400 by 5,280 the answer you would get would be five so for each mile you do it would all equal up to 5,280. Also to check your answer  5,280 times 5 is 26400

6 0
3 years ago
Line Ris represented by the equation y ==x+2. Line S is perpendicular to Line R, and passes through
mr_godi [17]

Answer:

y = -x - 2

Step-by-step explanation:

y = x +  2        {Compare with y = mx + c}

Slope = m1 = 1

Slope of the line S = m2 = -1/m1 = -1/1 = -1

(-6 , 4)

y -y1 = m (x -x1)

y - 4 = (-1)(x - [-6] )

y -4 = (-1)(x + 6)

y -4 = (-1)*x + (-1) *6

y - 4 = -x - 6

     y = -x - 6 + 4

    y = -x - 2

3 0
2 years ago
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