The answer is <span>B. The cable company decrease the monthly charge by 20%</span>
Answer:
<em>Let the dryer cost x.</em>
<em>Then, the washer costs (x+87)</em>
<em> </em>
<em>Together, they cost (x) + (x+87) = 787</em>
<em> 2x+87 = 787</em>
<em> 2x = 700 [subtract 97 from both sides]</em>
<em> x = 350 [divide both sides by 2]</em>
<em> </em>
<em>The dryer cost $350.</em>
<em> </em>
<em>Check: The washer cost $437. Together, they cost $787 [good to check, right?]</em>
<em></em>
<em><u>Hope this helps...</u></em>
Answer: (C
Step-by-step explanation: To evaluate this, solve by raising 7 to the power of 3.
7 x 7 x 7
7 x 7 = 49 x 7 = 343
Therefore, the answer is C.
Answer:
6 ft
Step-by-step explanation:
Given that:
Length of rectangular banner = 18 ft
Total trim of banner available = 48 ft
To find:
Possible widths of the banner = ?
Solution:
Maximum trim available of the banner around the entire border of the banner = 48 ft
i.e. we are given the total perimeter of the rectangular banner.
Formula for perimeter of a rectangle is given as:
Putting the values of perimeter and length to find the value of width.
So, width possible is <em>6ft.</em>
<h3>
Answer: 23.13 square meters</h3>
===============================================================
Explanation:
The top and bottom semicircles can be joined to form a full circle. The same can be said about the left and right semicircles. Each circle has diameter 3 and radius 1.5
The area of one circle is
A = pi*r^2
A = 3.14*(1.5)^2
A = 7.065
So two circles doubles to 2*7.065 = 14.13 square meters in area.
Then the last step is to add on the area of the 3 by 3 square (area 3*3 = 9) to get 14.13+9 = 23.13
This area is approximate because pi = 3.14 is approximate. Use more decimal digits in pi to get a more accurate area. However, your teacher wants you to use this specific value so it's best to stick with 23.13
