Answer:
2
Step-by-step explanation:
$24 equals 7 pencils, each x dollars worth, and the $10 left over: 24=7x+10.
Solve for x, 24-10=7x
14=7x
$2=x
The cost of each pencil is $2
The answer should be 3030.033, since 3*1000 is 3000, 3*10 is 30, 3*1/100 is 0.03, and 3*1/1000 is 0.003.
The perimeter and area of the square are 16√5 mm and 80 mm²
<h3 /><h3>How to find perimeter and area of a square?</h3>
Perimeter of a square = 4L
where
Therefore,
Perimeter of a square = 4 × 4√5
Perimeter of a square = 16√5 mm
Area of a square = l²
Area of a square = (4√5)²
Area of a square = 16 × 5
Area of a square = 80 mm²
learn more on square here: brainly.com/question/14090908
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The second one hoped i helped :D
Just make sure you add values with the same powers of x
The answer is
x^3 + 7x^2 + 5