Answer:
X=9
Y=2
Z=1
99+22=121
xx+yy=zyz
Step-by-step explanation:
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<span>-3(5+8r)=33-8r
-15 - 24r = 33 - 8r
-15 - 33 = - 8r + 24r
-48 = 16r
-48/16 = r
-3 = r
r = -3</span>
Answer:
-6
Step-by-step explanation:
3n = n² - 54
n² - 3n - 54 = 0
n² - 9n + 6n - 54 = 0
n(n - 9) + 6(n - 9) = 0
(n - 9)(n + 6) = 0
n = 9 , -6
Answer:
13 seashells
Step-by-step explanation:
p=number of seashells pierre collected
p+3p=52
4p=52
p=13
13 seashells
Answer:
y = 3x + 11
Step-by-step explanation:
