Answer:
B) BD
Step-by-step explanation:
The number of columns of the first matrix (2nd dimension) must match the number of rows of the second matrix (1st dimension). When you write the dimensions together, the two middle numbers must be the same.
AB ⇒ (3x2) × (3x5) . . . . 2 ≠ 3, so cannot be multiplied
BD ⇒ (3x5) × (5x7) . . . . 5 = 5, so can be multiplied
CD ⇒ (2x3) × (5x7) . . . . 3 ≠ 5, so cannot be multiplied
DD ⇒ (3x5) × (3x5) . . . . 3 ≠ 5, so cannot be multiplied
Answer:
9.48 mm
Step-by-step explanation:
C=59.59 mm
59.59=2*3.14*r
r=9.48 mm
D
7•4 =28, -5•0 =0... 28+0=28
70/100 in simplist form is 7/10 because you divide each side by 10 to get 7/10
Answer:
It's 510!
Step-by-step explanation:
15% of 600 = 90
600-90 = 510
