9514 1404 393
Answer:
(a)
Step-by-step explanation:
Add A to both sides of the equation:
X -A +A = B +A
X = B + A
The sum of the two matrices is the matrix that is the sum of corresponding terms.
x11 = B11 +A11 = -9+2 = 7
x12= B12 +A12 = 5-7 = -2
These calculations are sufficient to match the answer with choice (a).
Answer:
8 x 3 = 24, 24 divided by 2 = 12
I got 3(base of triangle) from subtracting 4 from 7.
12 x 2 = 24(area of two triangles)
16 x 4 = 64(area of long rectangle below)
I got 16 by the given length below, and i got the height from the middle which is the height that says 4.
Add both given areas:
24 + 64 = 88 square inches is your area.
Answer:
3. 7680
4. 18630
Step-by-step explanation:
3. solution:
200 * 38.4 = 200 *38 + 200 * 0.4
= 7600 +80
=7680
4. solution:
900 * 20.7 = 900 *20 + 900 * 0.7
= 18000 + 630
= 18630
Answer:
This statement can't be true and has no solution.
Step-by-step explanation:
1) distribute 3 through parenthesis
2) distribute 2 through parenthesis
3) collect like terms
4) cancel equal terms on each side of the equation
5) -6 doesn't = -4, so this isn't true...