Answer:
I have a answer for the second question. The better buy would be 69 cents for 18in. I say this because in each foot there is 12 in right, 18 in is a foot and 6 in. if you buy two 18 in wires it will cost $1.38 for 3 feet of wire which is cheaper then $1.49.
Step-by-step explanation:
Robert is incorrect: Surface are of A is 30 + 30 + 42 + 42 + 35 + 35 = 214 square centimeters. Surface area of B is 120 + 120 + 168 + 168 + 140 + 140 = 856 square centimeters. B's surface area is 4 times as great as A's.
Answer:
The speed of the faster plane is 899 km/hr
The speed of the slower plane is 824 km/hr
Step-by-step explanation:
Equation for faster plane:
(1) +d+=+s%2A4+
Equation for slower plane:
(2) +6892+-+d+=+%28+s+-+75+%29%2A4+
I think it should be -3x^2+4 not positive 3
Answer:
Step-by-step explanation:
<u>Given parallelogram JKLM with:</u>
<u>Find:</u>
<u>We know opposite angles of parallelogram are congruent:</u>
<u>Use angle addition postulate:</u>
- m∠KLM = m∠KLO + m∠MLO
- m∠KLM = 53° + 59°
- m∠KLM = 112°