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aliya0001 [1]
3 years ago
15

How many solutions does the equation have?

Mathematics
2 answers:
Inessa [10]3 years ago
5 0
The answer would be d=-55 
sergey [27]3 years ago
3 0
The answer is D=-55 and also there are many solutions imao
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Pls say hard very hard​
Simora [160]

(a) From the histogram, you can see that there are 2 students with scores between 50 and 60; 3 between 60 and 70; 7 between 70 and 80; 9 between 80 and 90; and 1 between 90 and 100. So there are a total of 2 + 3 + 7 + 9 + 1 = 22 students.

(b) This is entirely up to whoever constructed the histogram to begin with... It's ambiguous as to which of the groups contains students with a score of exactly 60 - are they placed in the 50-60 group, or in the 60-70 group?

On the other hand, if a student gets a score of 100, then they would certainly be put in the 90-100 group. So for the sake of consistency, you should probably assume that the groups are assigned as follows:

50 ≤ score ≤ 60   ==>   50-60

60 < score ≤ 70   ==>   60-70

70 < score ≤ 80   ==>   70-80

80 < score ≤ 90   ==>   80-90

90 < score ≤ 100   ==>   90-100

Then a student who scored a 60 should be added to the 50-60 category.

8 0
2 years ago
Please help me thanks if u do
aniked [119]

Answer: a

Step-by-step explanation: look at the chart

3 0
3 years ago
In March Tom had -£165 in his bank account. In April he had -£156. In which month did he have the least amount of money in his a
Flura [38]
March = -165
April = -156

In march he is negative MORE money, meaning he has MORE money in April

This question is trying to confuse you, ussually the lowest number means less, but these numbers are negative, so the lowest number means more.
He has the least amount of money in March


5 0
3 years ago
What percentage of times are between 6 and 22 hours?<br> 16%<br> 68%<br> 95%<br> 99.7%
allochka39001 [22]

Answer:

16 percent of times are between 6 and 22

6 0
2 years ago
Identify the linear function graph.<br> A) <br> B) <br> C) <br> D)
katovenus [111]

Answer:

The answer is (A)

Step-by-step explanation:

7 0
3 years ago
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