The altitude is the mean proportional between the left and right parts of the hyptenuse
Answer: 14.1
Answer:
B. Multiply 6 by 3
Step-by-step explanation:
Do the opposite order of what Hannah did. The last step that she did was divide by 3, so you would multiply the result (6) with 3:
B. Multiply 6 by 3
Your step by step for getting the number Hannah started with:
First, multiply 6 with 3:
6 x 3 = 18
Next, subtract 4:
18 - 4 = 14
Next, divide by 2:
14/2 = 7
Hannah started with the number 7.
~
Answer:
The original price of the coat is $ 73.5Step-by-step explanation:Let x be the original price( in dollars ) of the coat.
Step-by-step explanation:
Answer:
Step-by-step explanation:
11) 
Subtract 4 from both sides. Square each side. Subtract 33 from both sides. Divide each side by 8. Your answer is -3.
12) 
Square both sides. Put all numbers on one side of the equation so that you can be equal to zero. Factor out and solve for x.
Answer:
(426 ; 468)
Step-by-step explanation:
Confidence interval :
Mean score ± margin of error
Margin of Error = 21
Mean SAT score = 447
Hence,
447 ± 21
Lower boundary = 447 - 21 = 426
Upper boundary = 447 + 21 = 468
(426 ; 468)
