Answer:
D: 14q + 21√qr
Step-by-step explanation:
We want to find the product of;
(2√q + 3√r) and 7√q.
Where p and q are integers.
Using distributive property, we have;
(2√q × 7√q) + (3√r × 7√q)
>> 14q + 21√qr
Correct option is D
Answer:
B
Step-by-step explanation:
If Sean wants to but both the muffin and cookie then this addition. 3 +m shows the correct expression. the answer is b
Answer:
Step-by-step explanation:
hello :
the system is : x+y+z=-6.....(1)
x-y+3z=-18.....(2)
2x+2y+2z=-8.....(3)
use (3): 2(x+y+z) = - 8 so : x+y+z = -4
use (1) : x+y +z = -6 -6=-4 false
no solutions
Answer:
The answer is the option A
Step-by-step explanation:
Let
x-------> the width of the border
we know that
The total area of the window plus the border is equal to
Using a graphing tool -----> to resolve the quadratic equation
see the attached figure
The solution is
20÷2=10 ( gallons half full)
10+5=15 ( gallons you add)
The tank has 15 gallons and is 75% full