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catdog5225
04.07.2021 •
Mathematics
Help and explain pls and thankyouuu
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Ответ:
(1, 8)
Step-by-step explanation:
Substitute y = 3x + 5 into the equation 2x + 3y = 26:
2x + 3(3x + 5) = 26
2x + 9x + 15 = 26
11x = 26 - 15
11x = 11
x = 1
Substitute the value of x into the equation y = 3x + 5:
y = 3(1) + 5 = 3 + 5 = 8
Ответ:
Maura runs faster.
Step-by-step explanation:
Step 1 ) Convert 1.25 hours to minutes = 75 min; this is important!
Step 2) 75 divided by 5; will tell you how much time it took Maura to run per mile. It took Maura 15 minutes to run per mile.
Step 3) 50 divide by 3; will tell you how much time it took Ava to run per mile.
It took Ava 16.6 minutes to run per mile.
In conclusion Maura runs faster.
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