A local pizza restaurant advertises a service that delivers pizza within 15 minutes. The histogram above - id2142923520220314 от ArLesya 14.03.2022 09:49

Question

Алгебра: A local pizza restaurant advertises a service that delivers pizza within 15 minutes. The histogram above was produced by a customer who timed the restaurant s delivery service to the nearest minute for 15 deliveries. Based on the histogram, what is the mean delivery time, in minutes, of the restaurant? A) 14.4 B) 14.8 C) 15.2 D) 15.6 Диаграмма наверху

ArLesya · Accepted Answer

A(a + 5b) - (a + b)(a - b)=a^2+5ab-a^2+b^2=5ab+b^2b(3a-b) - (a - b)(a + b)=3ab-b^2-a^2+b^2=3ab-a^2 (y+10)(y-2)-4y(2 - 3y)=y^2+8y-20-8y+12y^2=13y^2-20 (a-4)(a+9)-5a(1-2a)=a^2+5a-36-5a+10a^2=11a^2-36 (2b-3)(3b+2)-3b(2b+3)=6b^2-9b+4b-6-6b^2-9b=-14b-6 (3a-1)(2a-3)-2a(3a+5)=6a^2-2a-6a+4-6a^2-10a=-18a+4(m+3)^2 -(m-2)(m+2)=m^2+6m+9-m^2+4=5m+13(a-1)^ - (a+1)(a-2)=a^2-2a+1-a^2-a-2=-3a-1(c+2)(c--1)^2=c^2-c-6-c^2+2c-1=c-7 (y-4)(y+-3)^=y^2-16-y^2+6y-9=6y-25(a-2)(a++1)^ =a^2+2a-8-a^2-2a-1=-9(b-4)(b+-1)^=b^2-2b-8-b^2+2b-1=-9...

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