Answer:
Step-by-step explanation:
Sides are 120 m, 170 m, 250 m
<h3>41.</h3>
<u>S is the semi-perimeter and is equal to:</u>
- s = (a + b + c)/2 = (120 + 170 + 250)/2 = 270 m
Correct choice is D
<h3>42.</h3>
The area is easy to calculate using the Heron's formula, since we have all three side lengths known.
Correct choice is B
<h3>43.</h3>
<u>Perimeter is:</u>
- P = a + b + c = 120 + 170 + 250 = 540 m
Correct choice is A
Answer:
The inequality is:
49.3+4.8r <74.5
The solution set is r < 5.25
Step-by-step explanation:
Answer:
3/10 inches apart
Step-by-step explanation:
total miles based on 2" equals 33 miles can be found by solving this proportion:
2/33 = 6/x
2x = 198
x = 99
99 miles divided by 11 rest stops means each stop is 9 miles apart
now use new ratio of 1" equals 30 miles
1/30 = x/9
30x = 9
x = 9/30 or 3/10 inches
We need to write a proportion to solve this
7/3=35/x
105=7x
divide each side by 7
15=x so, there were 15 burgers without cheese.
We could add the cheese burgers 35 to burgers without cheese 15
35+15=50 burgers were sold.
Answer is 2263.
Checkpoint 1 is -86
Checkpoint 4 is 2177
Subtract -86 from 2177....2177-(-86)
=2263
2263 is how much higher checkpoint 1 (-86) is from checkpoint 4 (2177)
Hope this helps! :)
