Answer:
<u>Answer</u><u>:</u><u> </u><u>4</u><u>x</u><u>²</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u> </u><u>+</u><u> </u><u>2</u><u>0</u><u> </u>
Step-by-step explanation:
• General quadratic equation:

• sum of roots → 4 + 5 = 9
• product of roots → 4 × 5 = 20
• substitute:

Answer:
50.24
Step-by-step explanation:
8÷2 is the radius. 3.14×4^2=50.24 m^2
^= where the exponent is supposed to go
Answer:
D
Step-by-step explanation:
I'm not sure 100%
its the first one
Step-by-step explanation:
because per pertains to to x
Answer:
12.486 Rounded to the Nearest Whole Number
To round 12.486 to the nearest whole number consider the tenths' value of 12.486, which is 4 and less than 5. Therefore, we have to round down: the whole number ones place value of 12.486, 12, remains 12, and the decimal point and all digits (. 486) are removed.
Step-by-step explanation: