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Lady_Fox [76]
3 years ago
6

Please help me with this question.

Mathematics
2 answers:
aniked [119]3 years ago
7 0

<u>         I \\\\\\\\\   I            </u>                                                                                              

      [-1]          -3                                                                                                              <u>    I   \\\\\\\\\\\   I               </u>                                                                                              -2              2                                                                                                            \displaystyle\bf x\in[-1;2)\\-1;0;\underline1\\\\Answer: 1                                                                                                                                                                                                                                    

ruslelena [56]3 years ago
6 0

Answer:

Step-by-step explanation:

-1 ≤ x < 3    Solution set = {-1, 0 ,1 , 2}

-2 < x < 2   Solution set  = {-1 , 0 , 1}

Integer values that satisfies both inequalities are -1 , 0 , 1

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Susie leaves to go shopping driving 45 miles per hour toward the Happy Shopper Grocery Store.
mafiozo [28]

Answer:

Susie reaches the store first being ahead by 0.06 hours.

Step-by-step explanation:

20 miles going 45 miles/hour.

20 miles / (45 miles / hour) = 20 miles hours / 45 miles =

= 20 hours / 45 = 4/9 hours = 0.44 hours

25 miles going 50 miles/hour.

25 miles / (50 miles / hour) = 25 miles hours / 50 miles =

= 25 hours / 50 = 1/2 hours = 0.5 hours

So Susie needs less time (= arrives first).

the difference is 0.5 - 0.44 = 0.50-0.44 = 0.06 hours

as additional practice :

0.06 hours is 60 × 0.06 minutes.

60 × 0.06 = 60 × 6 / 100 = 360 / 100 = 3.6 minutes.

6 0
3 years ago
There are 3 red chips and 2 blue chips. If they form a certain color pattern when arranged in a row, for example RBRRB, how many
svp [43]

Answer:

Option A - 10

Step-by-step explanation:

Given : There are 3 red chips and 2 blue chips. If they form a certain color pattern when arranged in a row, for example RBRRB.

To find : How many color patterns are possible?

Solution :

Total number of chips = 5

So, 5 chips can be arranged in 5! ways.

There are 3 red chips and 2 blue chips.

So, choosing 3 red chips in 3! ways

and choosing 2 blue chips in 2! ways.

As changing the places of similar chip will not create new pattern.

The total pattern is given by,

T=\frac{5!}{3!\times 2!}

T=\frac{5\times 4\times 3!}{3!\times 2}

T=10

Therefore, color patterns are possible are 10.

Option A is correct.

4 0
3 years ago
Please help me with all of these!!
Tju [1.3M]

Answer:

2. 0.49 of a kilogram

3. 4.42 sentences

4. 0.9 boxes of nails

5. 5.86 grams

6. 7.75 liters

7. 0.91 yards

8. 0.8cm

9. 7.83 kilograms

4 0
3 years ago
A peregrine falcon can fly 322 kilometers per hour. How many meters per hour can the falcon fly
MariettaO [177]
1 \ km = 1000 \ m\\ \\ 322 \ \frac{km}{h} = 322 000 \ \frac{m}{h}
4 0
3 years ago
Read 2 more answers
Which one is correct. Please help :)
VikaD [51]

Answer:

The second one

Step-by-step explanation:

Becaue you have to combine like terms

3 0
3 years ago
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