Answer:
circumference
y=69.1
z=84.8
greater by 15.7 m
Step-by-step explanation:
circuference of a circle is D
84.8-69.1=15.7
Answer: After 16 seconds the boats will be traveling the same speed.
Step-by-step explanation:
Given: Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second.
Mike's spewed after x seconds = 12 + 0.2x
Hank is driving a boat at 26.4 mph and is decreasing his speed by 0.7 mph each second.
Hank's speed after x seconds = 26.4 -0.7 x
As per given,
12 + 0.2x = 26.4 -0.7 x
Subtract 12 from both sides
0.2x= 26.4-12-0.7x
⇒ 0.2x= 14.4-0.7x
Add 0.7xn on both sides , we get
0.2x+0.7x= 14.4
⇒ 0.9x = 14.4
Multiply 10 on both sides, we get
9x=144
Divide both sides by 9 , we get x= 16
Hence, after 16 seconds the boats will be traveling the same speed.
Answer:
SAA
Step-by-step explanation:
we know two pairs of congruent angles and one pair of congruent sides
the order depends on if the side or angle is between the two sides or angles or if it is outside them
in this case the side is outside of the two angles so its SAA
Answer:
–7x + 20
Step-by-step explanation:
(2x2 – 3x)(3x2 + 2x – 1)
(4 – 3x)(2x + 5)
(4*2x) + (4*5) + (–3x*2x) + (–3x*5)
8x + 20 –15x
–7x + 20
Answer:
18
Step-by-step explanation:
18
10 tests = x tests
/ 5 weeks = / 9 weeks
10* 9= x5
90/5= 18