Answer:
24 feet
Step-by-step explanation:
Use the area formula, A = lw, where l is length and w is width
Plug in the area and length of the classroom, then solve for w:
A = lw
672 = 28(w)
Divide each side by 28 to find w:
24 = w
So, the width is 24 feet.
Answer:
56 degrees
Step-by-step explanation:
Answer:
f(5)=(5)²=25
f(-5)=(-5)²=25
NB. Some teachers don't want 2 equals on one line, if it's your case please don't write the 2 equals on the same line
Answer:
see below
Step-by-step explanation:
The x intercepts are where it crosses the x axis
( -4,0)
The y intercepts are where it crosses the y axis
( 0, 4)
Answer:
$74.97
Step-by-step explanation:
Cost of skateboard = $79.43
Less 12 % = 0.12 × 79.43 = <u> -9.53
</u>
Sale price = 69.90
Plus sales tax = 0.0725 × 69.90 = <u> +5.07
</u>
Total cost = $74.97