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juin [17]
3 years ago
15

Explain how to write an equivalent expression using theassociative property.2+(11 + y)​

Mathematics
1 answer:
vivado [14]3 years ago
8 0

Answer:

2+(11+y)=(2+11)+y=11+(2+y)

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A number cube has the numbers 1, 2, 5, 5, 6, and 6 on its faces. Match the probability with the outcome. 1. P(5 ∪ 6) 2. P(2 ∪ 5
Tems11 [23]

Answer:

1. P(5 U 6) =2/3

2. P(2 U 5 U 6) = 5/6

3. P(1 U 2) = 1/3

4. P(4) = 0

Step-by-step explanation:

As the number cube has 6 sides,

So,

Total outcomes = {1,2,5,5,6,6}

n(S) = 6

Now,

1. P(5U6) = P(5) + P(6)

P(5)=2/6=1/3

P(6)=2/6=1/3

P(5U6)= 1/3 + 1/3 = 2/3

2. P(2 U 5 U 6) = P(2) + P(5) + P(6)

P(2)=1/6

P(5)=2/6

P(6)=2/6

P(2 U 5 U 6) = 1/6 + 2/6 + 2/6

= 5/6

3. P(1 U 2) = P(1) + P(2)

P(1) = 1/6

P(2)= 1/6

P(1 U 2) = 1/6 + 1/6

= 2/6 = 1/3

4. P(4) = 0

As 4 is not in the outcomes, it's probability will be zero ..

5 0
3 years ago
Juniper drives at a constant speed on the highway towards Exit 34. The graph below shows the distance, in miles, that Juniper is
pashok25 [27]

Answer:

Options (2) and (4)

Step-by-step explanation:

Option (1)

The slope of the graph is 60.

From the graph attached,

Slope = \frac{\text{Rise}}{\text{Run}}

         = \frac{-210}{3.5}

         = - 60

False.

Option (2)

y-intercept gives the initial distance, in miles from Exit 34.

True.

Option (3)

y-intercept of the graph is 3.5

Since, y-intercept of the graph is 210.

Therefore, Option (3) is False.

Option (4)

Slope gives the rate, in miles per hour, at which the distance to Exit 34 changes over time.

True.

5 0
3 years ago
Sonia is hanging up decorations in the ratio of 3red: 2green: 4white . If she hangs up 135 decorations in total , how many of ea
klasskru [66]

Answer:

She hung 45reds, 30greens and 60whites

Step-by-step explanation:

If Sonia is hanging up decorations in the ratio of 3red: 2green: 4white, the total amount of different she hung is 3+2+4 = 9different colours.

Of she hung 135decorations in total, the number of red = 3/9 × 135 = 45reds

Number of green = 2/9 × 135 = 30greens

Numbe of white = 4/9 × 135= 60whites

She hung 45reds, 30greens and 60whites

8 0
3 years ago
Simplify cos^4x+2cos^2xsin^2x+sin^4x
KonstantinChe [14]

Answer: 1

Step-by-step explanation:

5 0
2 years ago
If tom has 5 time as many as read and read have 5 how many is that
8_murik_8 [283]
So if he has 5 time more than he has read(5) than 5 multiplied by 5 is 25. I hope this helps 
6 0
3 years ago
Read 2 more answers
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