The initial price of the sweater is $30. The store is having a sell that will reduce the price by 30%. This means that there is a reduction in the original amount of the sweater by 30% which is expressed as

30/100 × 30 = $9

The new price of the sweater would be 30 - 9 = $21

Since a sales tax of 5% will be added to the final purchase price, the value of the tax would be

5/100 × 21 = 0.05×21 = $1.05

Jake's total cost would be

21 + 1.05 = $22.05

7 0

4 years ago

The formula for the area of a rhombus is A = a equals StartFraction one-half EndFraction d 1 d 2.d1d2, where d1 and d2 are the l

Strike441 [17]

Answer:

$\large\boxed{d_1=\dfrac{2A}{d_2};\ d_2=\dfrac{2A}{d_1}}$

Step-by-step explanation:

$A=\dfrac{1}{2}d_1d_2\qquad\text{multiply both sides by 2}\\\\2A=2\!\!\!\!\diagup\cdot\dfrac{1}{2\!\!\!\!\diagup}d_1d_2\\\\2A=d_1d_2\to d_1d_2=2A$

$\text{For}\ d_1:\\\\d_1d_2=2A\qquad\text{divide both sides by}\ d_2\neq0\\\\d_1=\dfrac{2A}{d_2}\\\\\text{For}\ d_2:\\\\d_1d_2=2A\qquad\text{divide both sides by}\ d_1\neq0\\\\d_2=\dfrac{2A}{d_1}$

4 0

3 years ago

Read 2 more answers

Help pleaseee !!!!!!!!!!!!

Nina [5.8K]

Girl with that what is you saying

3 0

3 years ago

"Gandalf thinks that fighting ability differs between men, hobbits and elves. To test this, he counts the number of orcs kills b

shepuryov [24]

Answer: a one-way ANOVA

Step-by-step explanation:

A One-Way ANOVA Which is also known as the Analysis of Variance is used to compares the means of two or more independent groups in order to determine if there is statistical relationship that is associating both population means are significantly different. A one way Anova test helps determine if the means of two or more groups are different. From the given example the best year to apply would be the one way anova because it would help in determining the difference between the orcs killed by elves, men and hobbits.

5 0

3 years ago