Answer:
44.84
Step-by-step explanation:
The formula for this is lw + l √(w/2)^2 + h^2 + w * √(l/2)^2 = h^2
After that, you just input the values to get a total of 44.84 inches
Answer: 7
Step-by-step explanation: Cross multiply, so 15 times x and 21 times 5. 21 times 5 is 105 then you divide by 15 which gives you 7.
sheesh these are easy its 4
The answer is 9/23 you simply both sides of the equation, subtract 7x from both sides, divide both sides by -23