3. r^2 + 2r - 35 4. a^2- 11a + 28
(r + 7)(r - 5) (a - 7)(a - 4)
5. m^2 - 6m - 7 6. m^2 - m - 2
(m + 1)(m - 7) (m - 2)(m + 1)
7. n^2 - 4n + 3 8. b^2 - 4b - 5
(n - 3)(n - 1) (b - 5)(b + 1)
Answer:
CD = 9.2 cm
Step-by-step explanation:
The arc of any circle is calculated as
arc = circumference × fraction of circle
= 2πr ×
= 2π × 7.9 ×
= ≈ 9.2
arc CD is approximately 9.2 cm
Answer: 3.33miles
Step-by-step explanation:
given data:
distance covered in first 15 minutes = 10 miles
time spent buying gas and some snacks = 10mins.
= 10/15 * (15 –10 )
= 3.33miles
jacob has traveled 3.3miles between 10 and 15 minutes.
The answer to this question is true
Answer:
true false false
Step-by-step explanation:
3,4,5 is a common triangle (proof sqrt(3^2+4^2) = 5)
5,6,7 cant exist sqrt(5^2+6^2) doesnt equal 7
5,5,10 cant exist sqrt(5^2+5^2) doesnt equal 10