The total of the two matrices is found by adding corresponding elements:
This matches selection A.
Answer:
The number is 30.
Step-by-step explanation:
The number = x
25 - 1/2(x) = 10
Mutliply both sides by 2, because you does not want the fraction
50 - x = 20
Now, you have no more fraction. Just move 50 to the right side and change its sign
-x = 20-50
-x = -30
Change its sign
x = 30
So, the number is 30.
Hope it helps!
Answer:
£17,161.20
Step-by-step explanation:
Adding 8% of it to the given amount is equivalent to multiplying the amount by ...
1 + 8% = 1.08
The increased amount is ...
1.08 × £15890 = £17,161.20
When s is 20 t is 4
when s is 10 t is 2
when s is 30 t is 6
Step-by-step explanation:
y+x(x-y)-5
substitute: -7+3(3+7)-5
-7+3(10)-5
-7+30-5
22
If this isn't correct, then use distributive property on 3(3+7)
If so then it would be -7+9+21-5
It would be the same answer, just a different way of finishing it