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Tresset [83]
3 years ago
15

(40-3x7-9-6x2]+ 4+19 I need the answer to this

Mathematics
1 answer:
Schach [20]3 years ago
5 0

-3x7=-21

6x2= -12

40+21-9+12

61-21

40+4+19

44+19= 63

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The coach recorded the time it took 15 students to run a mile. The times are as follows: 9:23, 8:15, 9:23, 9:01, 6:45, 6:55, 7:2
r-ruslan [8.4K]

Answer:

Therefore, the four intervals are

(1)    6 - 6.59

(2)   7 - 7.59      

(3)    8 - 8.59      

(4)    9 - 9.59

The four frequencies are

(1)   4

(2)   3

(3)   1    

(4)  6

Step-by-step explanation:

From the data, we have

                     Interval                                                       Frequency

1st                 6 - 6.59                                                        4

2nd               7 - 7.59                                                        3

3rd                8 - 8.59                                                        1

4th                 9 - 9.59                                                       6

Therefore, the four intervals are

(1)    6 - 6.59

(2)   7 - 7.59      

(3)    8 - 8.59      

(4)    9 - 9.59

The four frequencies are

(1)   4

(2)   3

(3)   1    

(4)  6

5 0
3 years ago
In a bowl of fruit there are 10 bananas, 6 apples and 4 pears.
kobusy [5.1K]

Answer:

P(0,0) = 2/12 times 1/11 = 1/66

Step-by-step explanation:

For probability questions, think of each event happening separately, it makes the maths easier to understand. For example, in this question, do not think of the two boys taking a fruit at the same time - that makes the maths complicated

.

Let Daniel take a fruit first, then Sean can take a fruit. There are two parts to consider.

P

r

o

b

a

b

i

l

i

t

y

=

number of desirable outcomes

total number of possible outcomes

For Daniel: there are 12 different pieces of fruit in the bowl, he just takes one without choosing a specific fruit. (random)

The chance that Daniel takes an orange is

2

12

Of the 12 pieces of fruit. 2 are oranges.

Now Sean: the numbers of fruit in the bowl have changed. There are now only 11 pieces of fruit in the bowl, and only 1 is an orange.

The chance that Sean takes an orange is

1

11

4 0
3 years ago
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RoseWind [281]
A, B, and D bc when you divide the rest of them they give you -1.5.
8 0
3 years ago
Which is equivalent to 2 to the fourth power times 2 to the negative 6 power?
anastassius [24]
.25 or 1/4

How:
2^4=16
2^-6=<span>.015625
16*.015625 = .25</span>
4 0
3 years ago
Read 2 more answers
Find the absolute value.<br> What is the absolute value of four
iren [92.7K]

Answer:

whats the graph???

Step-by-step explanation:

5 0
3 years ago
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