Giving brainliest to first correct answer
1 answer:
Answer:
C
Step-by-step explanation:
The area of a rectangle is lw or length * width.
We can add the parts to make up the whole of each side.
Thus, for the entire width, we have 4x+3 and for the entire length we have 8 + 5x.
To solve for area in terms of x, we just multiply our width and length, which gives us:
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Answer:
There are 26 purple marbles in the bag.
Step-by-step explanation:
Firstly, you have to make an expression in terms of x where x represent red marbles. Given that the question says purple marbles is 2 more than 3 times the number of red marbles. So the expression is :
Let red marbles = x,
Next, given that the total marbles in the bag is 34 so you have to add both marbles together and solve the value of x :
Lastly, you have to substitute the value of x into the expression of purple marbles :
Let x = 8,