Answer:
the roots and vertex
Step-by-step explanation:
you can find the vertex by using vertex form y=a(x-h)^2+k you find the roots by solving the quadratic equation
Answer:
2° = 7° is true
Step-by-step explanation:
Since line c is not parallel to line a and b:
- 9°,10°,11° and 12° cannot equal to 1°,2°,3°,4°,5°,6°,7° and 8°.
Because line c is not parallel, 9,10,11 and 12 gives different measure.
So 7° = 10° is false because like said, these angles give different measure and 7° cannot equal to 10° since both lines are not parallel. Alternate Interior Theorem does not work because both lines are given not parallel.
2° = 7° is true because both lines are parallel and we can use Alternate Exterior Theorem
Or since 2° = 6° and 6° = 7° because cross-intersect forms same measureof opposite sides. Hence, 2° = 7°
8° = 9° is false and the reason is same as 7°=10°.
$2.25
5 x 21 = 1.05 10 x 12 = 1.20
Nickels: 21 Dimes: 12
1.05 + 1.20 = 2.25
If I had 25 nickels, I would have 12 dimes, and a extra 5 cents.
Answer: 9^-8
Step-by-step explanation:
To get single positive exponent,
9^-5 / 9^3
Since the exponent is same
So we can solve the coefficient like this
9^-5-3
So
9^-8
Their distance differs by 15 miles for each hour of travel time. Thus, the travel time of interest is
.. (180 -144) miles/(15 miles/hour) = 2.4 hour
The red car's speed is 180 mi/(2.4 h) = 75 mi/h.
The blue car's speed is 144 mi/(2.4 h) = 60 mi/h.