kennedyrorebeck kennedyrorebeck

22-02-2021
Mathematics

contestada

Fill in the missing numbers in these equations

(-2)⋅(-4.5)=?
(-8.7)⋅(-10)=?
(-7)⋅?=14
?⋅(-10)=90

Respuesta :

Yang100 Yang100

22-02-2021

Answer:

Step-by-step explanation:

(-2)*(-4.5)=9

(-8.7)*(-10)=87

-7x=14

x=14/-7=-2

?=-2

-----------------

-10x=90

x=90/-10

x=-9

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