Question #5410

Which inequality best represents the sentence?A number decreased by 10 is at most 8.
a)x − 10 ≤ 8
b)x − 10 < 8
c)x − 10 ≥ 8
d)x − 10 > 8

Expert's answer

variant a is right

x-10 means x decreased& by 10

<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC4AAAAfCAIAAAAX/WhoAAABFklEQVRYhe3VYY3EIBAFYCQgAQlIqAQkjAQkjJRKQMKT8CQgAQd3P5qwTUNZukvu9i59/6BD8nVKwXx9TMxvAx65Ka3clFb+BQUAgLOnKSVVVdUQQqfsXQqAEIKq5pw7jjp0zp1Vvk6piFJKp+zQia090yiDiEoJIdShiKSUJlAuIeoSY4z3niTJGOPIqh6F5FXEXuOcM8aIyOCSHiXnfOkX2EdVAcQYt/aMvMzzD1RKuQoSkVoMwFo70pvRbTsOIum9389sW2caZRwEYFmWw6S1djLlACLZLDicaQBmnitN0NkZSlJE1nXdECOOtyhPQxLA+EHwR25mktrN2V6ZT8k5o5uR+3YO5YdzU1q5Ka3clFY+iPINIcAJ1WeLI4MAAAAASUVORK5CYII=" alt="">

means equal or less than 8 <=> at most 8

x-10 means x decreased& by 10

<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC4AAAAfCAIAAAAX/WhoAAABFklEQVRYhe3VYY3EIBAFYCQgAQlIqAQkjAQkjJRKQMKT8CQgAQd3P5qwTUNZukvu9i59/6BD8nVKwXx9TMxvAx65Ka3clFb+BQUAgLOnKSVVVdUQQqfsXQqAEIKq5pw7jjp0zp1Vvk6piFJKp+zQia090yiDiEoJIdShiKSUJlAuIeoSY4z3niTJGOPIqh6F5FXEXuOcM8aIyOCSHiXnfOkX2EdVAcQYt/aMvMzzD1RKuQoSkVoMwFo70pvRbTsOIum9389sW2caZRwEYFmWw6S1djLlACLZLDicaQBmnitN0NkZSlJE1nXdECOOtyhPQxLA+EHwR25mktrN2V6ZT8k5o5uR+3YO5YdzU1q5Ka3clFY+iPINIcAJ1WeLI4MAAAAASUVORK5CYII=" alt="">

means equal or less than 8 <=> at most 8

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