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3 years ago

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On Saturday, Smoothie Central made $1300 in sales. On Sunday, they made $900 in sales. What is the percent of change from Saturd

ay to Sunday?

2 answers:

Keith_Richards [23]3 years ago

5 0

The answer would be 16%

sergeinik [125]3 years ago

3 0

Wrote something before then I accidentally saved it. So I have to write this because I can’t delete it sorry.

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The coordinates of the vertices of parallelogram RMBS are R(–4, 5), M(1, 4), B(2, –1), and S(–3, 0). Using the diagonals, prove

REY [17]

To prove a rhombus you need to show that the sides are congruent and the diagonals are perpendicular.

Sides:

$d_{RM}=\sqrt{(-4-1)^2+(5-4)^2}$

$=\sqrt{(-5)^2+(1)^2}$

$=\sqrt{25+1}$

$=\sqrt{26}$

$d_{MB}=\sqrt{(1-2)^2+(4+1)^2}$

$=\sqrt{(-1)^2+(15)^2}$

$=\sqrt{1+25}$

$=\sqrt{26}$

$d_{BS}=\sqrt{(2+3)^2+(-1-0)^2}$

$=\sqrt{(5)^2+(-1)^2}$

$=\sqrt{25+1}$

$=\sqrt{26}$

$d_{SR}=\sqrt{(-3+4)^2+(0-5)^2}$

$=\sqrt{(1)^2+(-5)^2}$

$=\sqrt{1+25}$

$=\sqrt{26}$

$\overline{RM}$ ≅ $\overline{MB}$ ≅ $\overline{BS}$ ≅ $\overline{SR}$

Diagonals:

Use the slope formula: $m=\dfrac{y_2-y_1}{x_2-x_1}$

$m_{RB}=\dfrac{5+1}{-4-2}$

$=\dfrac{6}{-6}$

= -1

$m_{MS}=\dfrac{4-0}{1+3}$

$=\dfrac{4}{4}$

= 1

Slopes are opposite reciprocals so they are perpendicular.

***************************************************************************

All of the sides are congruent and the diagonals are perpendicular so RMBS is a rhombus.

4 0

4 years ago

PLEASE ANSWER ALL THESE QUESTION FOR 75 POINTS!!

Alika [10]

1. 9
2. 24
3. 10
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3 years ago

Read 2 more answers

A cell phone manufacturer chose 200 people at random and asked them whether they would purchase the newest model for $300. The m

Lina20 [59]

<span>Yes, because the results from Survey 4 differ the most from the other surveys’ results.</span>

8 0

3 years ago

Translate the algebraic expression and simplify if possible.

tamaranim1 [39]

-2/(a+b)
Explanation: you are dividing negative two by the sum of a and b so you would put a+b in parentheses as the denominator and then put -2 as the numerator

4 0

3 years ago

The period of this function is <br><br><br><br> π / 4<br><br> 8<br><br> 2π<br><br> π / 2

Serhud [2]

ANSWER

$\frac{\pi}{2}$

EXPLANATION

The period refers to the interval over which the function completes one full cycle.

The given function completed four cycles in on the the interval.

[-π,π]

The period is

$= \frac{\pi - - \pi}{4}$

$= \frac{\pi + \pi}{4}$

Simplify;

$= \frac{2 \pi}{4}$

$= \frac{\pi}{2}$

The last choice is correct.

4 0

3 years ago