Emma has addressed seven invitations to her
2 answers:
Answer:
12
Step-by-step explanation:
This can be solved by working backwards.
7 is one more than half the number of invitations.
Subtract 1. 6 is half the number of invitations.
Double.
12 is the full number of invitations.
Algebra (if you must!):
x = number of invitations
x/2 + 1 = 7
Subtract 1.
x/2 = 6
Multiply by 2.
x = 12
Answer:
12
Step-by-step explanation:
7-1=6
6x2=12
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Answer:
15.5
Step-by-step explanation:
The correct answer for this would be -10
The expression is -6 + 1.2 + -0.4 + -0.6
The Pythagorean theorem tells you
... a² + b² = c²
so
... a² = c² - b² = 16² - 9² = 256-81 = 175
... a = √175 = √(25·7)
... a = 5√7
Answer:
just multiply 2x-8 by 5
which is
