Answer: x = 15
Step-by-step explanation:
The perimeter is the sum of the 2 lengths and 2 widths.
Step 1: 2 times the length is 4x + 10
Step 2: 2 times the width is 2x - 20
Step 3: Add the both results together.
6x - 10
Step 4: Create an algebraic equation.
6x - 10 = 80
Step 5: Solve for x.
6x = 90
6x/6 = 90/6
x = 15
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Answer is 48
Because 15+15=30
And 9+9=18
So 30+18=48
Answer:
1.08421 x 10^25 Kg
Step-by-step explanation:
The combined weight of these two bodies would be the addition of the masses of the two bodies.
Given that Earth weight is 5.9736 x 10^24 Kg and Venus is 4.8685 x 10^24 Kg,
The combined weight of Earth and Venus
= 5.9736 x 10^24 Kg + 4.8685 x 10^24 Kg
=10^24(5.9736 + 4.8685)
= 10.8421 × 10^24 Kg
In standard form,
= 1.08421 × 10^25 Kg
Answer:
16
Step-by-step explanation:
