Answer:
51
Step-by-step explanation:
area of the triangle= 1/2 (6-3)(13-7)
=1/2 (3)(6)
=9
area of rectangle= 6×7
= 42
therefore, area of shape = 42+9
=51
3(x+9)=12 can be used by Stephanie to find the number.
Step-by-step explanation:
Given,
x be the number Amy picked.
She told Stephanie to add 9, therefore,
x+9
Multiplying the sum by 3
3(x+9)
According to given statement, the sum would equal 12 after multiplying,
3(x+9)=12
3(x+9)=12 can be used by Stephanie to find the number.
Keywords: linear equations, addition
Learn more about linear equations at:
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√45+√80−6√5
Step-by-step explanation:
Exact Form:
√45+√80−6√5
Decimal Form:
7.29108201…7.29108201…
Answer:
5
Step-by-step explanation:
you add up all the numbers, then divide but how many numbers there are:
all add up to 40, divide the 40 by 8 to get 5