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Ivanshal [37]
2 years ago
15

Melanie uses the ordered pairs (2010, 48) and (2013, 59) to find her equation. Tracy defines x as the number of years since 2010

and uses the ordered pairs (0, 48) and (3, 59) to find her equation. How will the two girls’ equations compare? They will have the same slopes and the same y-intercepts. They will have the same slopes but different y-intercepts. They will have different slopes but the same y-intercepts. They will have different slopes and different y-intercepts.
Mathematics
1 answer:
Paraphin [41]2 years ago
5 0
So what is the question in this?
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matrenka [14]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
The sum of Cathy's and Tony's ages is 65. Eight years ago, Cathy's age was 2/5 of Tony's age. How old are they now?
Viktor [21]
Let
x------> Cathy's<span> ages
</span>y------> Tony's ages

we know that
x+y=65-----> x=65-y-----> equation 1
y-8=(2/5)*(x-8)-----> equation 2

substitute equation 1 in equation 2
y-8=(2/5)*(65-y-8)---> y-8=22.8-0.4y----> y+0.4y=22.8+8
1.4y=30.8-----> y=22
x=65-y-----> x=65-22----> x=43

the answer is
Cathy's ages is 43 years 
Tony's ages is 22 years

7 0
3 years ago
13. Jessica has taken 8 quizzes. The mean of her scores is 92. Her first 6 scores are shown.
Dovator [93]

Answer: Median= 91; 8th quiz score=86

Step-by-step explanation: The sum of the scores is 8×92=736. Subtract the 6 given scores and then a 100 for the seventh quiz to find the score she got on the 8th quiz, this is an 86. Now that you have all the scores, arrange them all in the least to greatest order and find the average of the middle two numbers (median), which is 91!

7 0
2 years ago
Please guys help me. I will give you the brainliest if you give me the correct answers. ​
andrey2020 [161]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Pls help me with this
Marina CMI [18]

Answer: Can I see the whole questions?

Step-by-step explanation:

6 0
3 years ago
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