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const2013 [10]
3 years ago
5

Mary draws the number line below to represent the solution set of the inequality 50 – 8t < 90. What mistake did Mary make? Us

e the drop-down menus to explain your answer.
Mathematics
2 answers:
bonufazy [111]3 years ago
8 0

Picture relating to question is attached below

Answer:

t > - 5

Line is in the wrong side

Step-by-step explanation:

Given the inequality :

50 – 8t < 90

-8t < 90 - 50

-8t < 40

-8t / - 8 < (40/ - 8)

t > - 5 (sign changes)

During simplification, we should observe that the inequality sign changes due to negative sign. Hence, our final inequality equation read t > - 5 ; thus, arrow should point to the right

pashok25 [27]3 years ago
7 0

Step-by-step explanation:

this is the equation: 9.50 + 3.75e < 25

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Answer:

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YOU NEED TO START BACKWARDS. HE BOUGHT 76 ERASERS AND HE HAS 193, SO WHATEVER HE HAD AT THE END OF TUESDAY+76 IS HOW MUCH HE HAS ON WEDNESDAY. 193-76=117. ON TUESDAY, HE STARTED WITH ERASERS AT END OF TUESDAY+39 ERASERS. 117+39=156. ON MONDAY, HE STARTED WITH END OF MONDAY+22 ERASERS. 156+22=178

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