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Gala2k [10]
3 years ago
9

How many solutions does the equation have?

Mathematics
2 answers:
nikklg [1K]3 years ago
6 0
B which equals -55 I think this is right
irina1246 [14]3 years ago
3 0
Since the coefficients of d are not equal, then there can only be one solution
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Hello please help me! There are 3 questions, I will give brainliest!
Shalnov [3]

Answer:

1) There are 13 students in Jerry's study.

2) There are 39 students in Kathy's study.

3) Jerry's study is more trustworthy!

Step-by-step explanation:

1) Jerry's study is the one with the dot plot.

Now, the number of students is calculated by adding the total number of dots in the plot.

We have a total of 13 dots.

Thus, there are 13 students in Jerry's study.

2) Kathy's study is the one with the histogram.

The total number of students is gotten by adding the corresponding number of students on the y-axis for each range of distance on the x-axis.

Total number of students = 9 + 11 + 7 + 12 = 39 students

3) Jerry's study where he used a dot plot is likely to be more trustworthy because it gives exact values of the number of students for each distance represented whereas, Kathy's study where she used a histogram doesn't give exact values but just gives a range of distances for a particular number of people.

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3 years ago
A triangle has sides with lengths of 64 kilometers, 80 kilometers, and 51 kilometers. Is it a right triangle?
dezoksy [38]

Step-by-step explanation:how

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aniked [119]
I wanna say 14%, just because if you add the total of pieces divided by the 5 yellow with 4 holes, you'll receive the answer 0.14.
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3 years ago
Any help is wanted pls and thxs
podryga [215]

Answer:

1:3
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25:75
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8 0
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Nastasia [14]

Expand the left side:

(3x + 2) (5x + 1) = 15x² + 10x + 3x + 2 = 15x² + 13x + 2

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