filzaf9632
22.10.2020 •
Mathematics
2. If h(x) = 7(x + 3)^2 – 14x, what is the value of h(4)?
a. 329
b. 287
c. 77
d. -7
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Ответ:
option (b)
Step-by-step explanation:
h(4)=7(4+3)^2-14x4
7x49-56=343-56=287
Ответ:
16cm by 5cm
Step-by-step explanation:
P=2(l+w)
A= wl
80 factorization: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80.
you then would have to find 2 numbers that would add up to make 42.
When you try 16*2+5*2= 32+10= 42 cm as your perimeter.
16*5= 80 cm^2 as your area.