Answer:
A=4
Step-by-step explanation:
Mariya was solving:
4x2-20x+3=0
4x2-20x=-3
A(x2-5x)=-3
At this point, we can know that 4*x2=4x2 and 4*5x=20x, son A=4
Multiply 64 and 12 three times and 64 ×12=? then ?×3=?
Answer:
To find the mean, multiply the values by frequencies, add the subtotals, and divide by the total number of the frequency. Median : To find the median, calculate a running total of the frequencies, which is half the total, it contains the median that corresponds to the value.
Step-by-step explanation:
2.443 x 10^6
Hope it helps! :)
Answer:
2
+
1
1
+
3
0
Step-by-step explanation:
(
+
5
)
(
+
6
)
{\color{#c92786}{(x+5)(x+6)}}
(x+5)(x+6)
(
+
6
)
+
5
(
+
6
)