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snow_lady [41]
2 years ago
12

Select the correct answer from each drop-down menu

Mathematics
1 answer:
emmainna [20.7K]2 years ago
4 0

Answer:

Step-by-step explanation:

There are 6 digits given: 1,2,3,5,8 and 9

But we are only taking three at a time.

= 6!/3!

= 6*5*4*3*2/3*2

= 6*5*4

= 120

The first and last digits can only be even if the number takes the one of the forms "2 _ 8" or "8 _ 2". The middle number can be any of the remaining four.

This means the probability of getting a number beginning and ending with an even digits is:

= 8/120

= 1/15 ....

You might be interested in
Simplify (3s^8)^-5 write your answer using only positive exponents. help please!!
loris [4]

Answer:

1 / ( 243s^40 )

Step-by-step explanation:

For this problem, we need to know that a negative exponent simply can be rewritten in the opposing part of the fraction, for this case, the denominator.  So we can simplify as shown:

(3s^8)^-5

= 1 / (3s^8)^5

= 1 / 3^5 * s^8^5

= 1 / 243 * s^40

= 1 / ( 243s^40 )

Cheers.

3 0
2 years ago
Are you store sells a 28 oz. bottle of shampoo for $1.96. It also sells a 22oz. Bottle of shampoo for $1.32. Which bottle is the
kakasveta [241]

Answer:

28 oz. bottle of shampoo is the better priced one

7 0
3 years ago
Interpret the following sine regression model.
natita [175]

Answer:

The question is incomplete, so I will describe the sine regression model.

The function

y = 0.884 sin(0.245x - 1.093) + 0.400

correspond to the general equation:

y = a sin(bx - c) + d

where:

a = 0.884

b = 0.245

c = 1.093

d = 0.400

The amplitude of the function is computed as follows:

amplitude = |a| = 0.884

The period of the function is computed as follows:

period = 2π/|b| = 25.6456

The phase shift of the function is computed as follows:

phase shift = c/b = 4.4612 to the right (because there is a minus sign before c in the equation)

The vertical shift of the function is computed as follows:

vertical shift = d = 0.400

3 0
3 years ago
Select the correct answer from each drop-down menu.
navik [9.2K]

Answer:

(0,1/5) and (1/9,0)

Step-by-step explanation:

3/5x +1/3y=1/15

To find intercepts, plug in 0

y-intercept: 3/5(0) + 1/3y=1/15

y=1/15*3 = 3/15 = 1/5 or 0.2

x-intercept: 3/5x + 1/3(0) = 1/15

3x=1/15*5/3

x=5/45= 1/9

3 0
3 years ago
Find the slope and y-intercept<br> 4x+2y=-6
EleoNora [17]
<span>4x+2y=-6
2y = -4x - 6
  y = - 2x - 3
slope = -2
</span><span>y-intercept when x = 0
so y = -3

answer
slope = -2
</span><span>y-intercept (0,-3)</span>
8 0
3 years ago
Read 2 more answers
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