Answer:
Step-by-step explanation:
x=
−b±√b2−4ac
2a
x=
−(−13)±√(−13)2−4(1)(5)
2(1)
x=
13±√149
2
x=
13
2
+
1
2
√149 or x=
13
2
+
−1
2
√149
Answer:
C. 4
Step-by-step explanation:
-1/2 * (-8)
Replace -8 with a fraction
-1/2 * -8/1
Multiply the numerators
-1 * -8 = 8
Multiply the denominators
2*1 =2
Put the numerator over the denominator
8/2 = 4
3/4 hr=60 times 3/4=45mins
45/6=7.5 letters
that is pretty slow if you ask me
1/4 times what=5/6
times 4/1 both sides
what=20/6
what=10/3
about 3 and 1/3 of the 1/4 in the 5/6
20mins=1/3hr so
1/3 times what=3.4
times 3/1 both sides
what=10.2
there are 10.2 of them
1yd=36in
3/4 times 36=27in
27/3=9
9 of them
16oz=1lb
3/4 times 16=12oz
12/2=6
6 cookies
Options 1 and 3 are linear because highest degree is 1.