To answer this question, we first have to set up an equation with variables.
We can use "x" to represent the cost of each bracelet.
Equation: number of bracelets bought × cost of each bracelet = total cost
Number of bracelets bought: 7
Total Cost: 49
Using this information, we can fill in the equation and solve for x.
7x = 49
To isolate x, divide both sides by 7.
x = 7
Since x equals 7, we now know that each bracelet cost $7.
First Answer and Last Answer are correct.
The two middle should be reconsidered, you can't really tell if they are technically Perpendicular.
So the correct answer should be "Can't be determined" for the middle two.
A shopkeeper marks:
200*1.4=$280
With a discount of 25%:
$280*0.75=$210
An arc of a circle has the same measure as the central angle that intercepts it.
Central angle 1 intercepts arc AB.
The measure of central angle 1 is the same as the measure of angle AB.
The measure of arc AB is 30 deg.