Josie has a cord that is 9 feet long
If she wants to cut it into 11 pieces then each piece will be (9 ÷ 11) which is 0.81
The pie shows in for pupils 200-100 divided by 7 ks3 Ana’s is 5
Answer:
n^2(radical)7
Step-by-step explanation:
You have to find the square root of all the components separately. 7 is not a perfect square (one number*itself = perfect square, ex 4 is the perfect square of 2 because 2*2=4) but the n^4 can be simplified and brought outside of the radical. When finding the square root of variables with exponents they have to come out in pairs to create that "perfect square." Therefore when you move a variable, you basically divide the exponent by 2. so n^4 inside the radical becomes n^2 outside of the radical, leaving the problem itself to become n^2 (radical) 7.
The anwser is D............
2x - y = 1
2x + y = 7
-------------------add
4x = 8
x = 2
2x - y = 1
2(2) - y = 1
-y = -3
y = 3
answer (1,3)