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Mrac [35]
2 years ago
11

Which of the following is not a rate?

Mathematics
1 answer:
SpyIntel [72]2 years ago
4 0
Your answer is 16 oz/1 lb
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Please help me work this problem
mario62 [17]

Answer:

13a

Step-by-step explanation:

9a + 3a + a = 13a

7 0
3 years ago
Read 2 more answers
A number cube is rolled 24 times and lands on 2 four times and on 6 three times.
kozerog [31]

Answer:

1/6 times the number cube wil land on 2

Step-by-step explanation:

3 0
2 years ago
A set of piano prices distributed at a mean of 3000 and a standard deviation of 200 dollars. An electric piano has a price of 25
lana [24]

Answer:

The proportion of piano prices higher than the electric piano is 98.3%

Step-by-step explanation:

The first thing to do here is to calculate the standard score of the price of the electric piano given.

Mathematically, this is

z-score = (x-mean)/SD

where mean is 3000 and SD is 200, x is 2576

z-score = (2576-3000)/200 = -2.12

Now we proceed to calculate the probability of this z-score

The probability we are trying to calculate is

P( x > $2576) or simply P ( z > -2.12)

Using standard score probability calculator or table, we have

P(x>2576) = 1 - P(x<2576)

But, P(x<2576) = 0.017003

P(x>2576) = 1 - P(x<2576) = 0.983

This is same as 98.3%

4 0
3 years ago
Solve the system of linear equations by graphing. Round the solution to the nearest tenth.
jeyben [28]

Answer:

The approximate solution to the system is (1.2, 4.4)

x = 1.2 and y = 4.4

Step-by-step explanation:

The solution of the system of linear equations equation y = –0.25x + 4.7 and y = 4.9x – 1.64 is shown in the attached graph. The red line represents the equation y = –0.25x + 4.7 and the blue line represents the equation  = 4.9x – 1.64.

The solution of the system of equations is their point of intersection shown on the graph.

The point of intersection is (1.231, 4.392). To the nearest tenth, it is (1.2, 4,4). So x = 1.2 and y = 4.4.

So the approximate solution to the system is (1.2, 4.4)

6 0
2 years ago
Read 2 more answers
Multiplication Property of One<br> 1⋅w⋅16
expeople1 [14]

Answer:

The correct answer is 16w.

Step-by-step explanation:

w = 1w

1⋅w⋅16 =

1⋅1w⋅16 =

16w

Therefore, the correct answer is 16w.

Hope this helps! :D

7 0
2 years ago
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