A student started solving the system of equations by elimination and made a mistake in solving x. What is the error?
1 answer:
Answer is A.
step 1 , 16 was not multiplied by 9
should be
54x - 9y = 144
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78.5= (3.14)r^2
25=r^2
5=r
So, the radius of a circle with an area is 78.5 cm^2 is 5 cm^2
Answer:
try symnolab it helps a lot with math but the answer is 29/1000 0r 0.029
Step-by-step explanation: Hopes this helps :)
5n – 7p + 3n = 25p
Combine like terms
8n - 7p = 25p
Add (7p) to both sides
8n - 7p + 7p = 25p + 7p
Simplifying
8n = 32p
Divide both sides by 8
8n / 8 = 32p / 8
Simplifying
n = 4p
Answer:
The answer is 660.4 millimeters in diameter.
Step-by-step explanation:
The wheel is 26 inches in diameter. An inch is 25.4 millimeters. 26 * 25.4 = 660.4
Answer:
62.8
Step-by-step explanation:
165/28.8 = 360/x
360 x 28.8 =10,368/165 = 62.8
hope this helps <3
