Using Pythagoras Theorem,
(12)^2+ (a)^2= (13)^2
144+a^2= 169
a^2= 169-144
a^2= 25
a= √25
a= 5mm
Hope it helps you.
Answer:
160%
Step-by-step explanation:
Because the first square (the one to the left) is shaded to the brim, it represents 100%.
The second square (the one to the right) is shaded only until the 6th row, we can say that it is shaded 6/10 rows, or 60%.
Lastly, add the percentages of the two squares => 100% + 60% = 160%
-5x+13y=-7
5x+4y=24
add the equation to eliminate x:
13y+4y=-7+24
17y=17
solve for y:
17/17y=17/17
y=1
then plug in y into any equation to solve for x:
-5x+13y=-7, y=1
-5x+(13*1)=-7
-5x+13-13=-7-13
-5x=-20
-5/-5x=-20/-5
x=4
the answers are x=4, y=1
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Answer:
the answer is 25
Step-by-step explanation:
10^2=100
2^2=4
100÷4=25
hope this helps
