Answer:
question?
Step-by-step explanation:
v is 4 more tha x
v=4+x
sum is no more than 14
v+x≤14
sub 4+x for v
4+x+x≤14
4+2x≤14
minus 4 both sides
2x≤10
divide both sides by 2
x≤5
5+4=9
the neighboor's age is 5 years
and victoria is 9
Answer:
What is it?
Two matrices can be added together if and only if they have the same dimension. Their sum is obtained by summing each element of one matrix to the corresponding element of the other matrix.
How is it used?
The numbers in a matrix can represent data, and they can also represent mathematical equations. In many time-sensitive engineering applications, multiplying matrices can give quick but good approximations of much more complicated calculations.
How can I solve it?
Here is a thing https://www.purplemath.com/modules/mtrxadd.htm
Step-by-step explanation:
Answer: 19
Step-by-step explanation:
Count all the green X's. The numbers at the bottom just talk about how many cookie boxes they each sold.