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Jasten
11.01.2021 •
Mathematics
Please help me please will give brainliest to anyone
only do number 11
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Ответ:
9514 1404 393
9. ±1, ±2, ±3, ±6
11. ±1, ±2, ±3, ±4, ±6, ±12
Step-by-step explanation:
The possible rational roots are (plus or minus) the divisors of the constant term, divided by the divisors of the leading coefficient.
Here, the leading coefficient is 1 in each case, so the possible rational roots are plus or minus a divisor of the constant term.
__
9. The constant is -6. Divisors of 6 are 1, 2, 3, 6. The possible rational roots are ...
±{1, 2, 3, 6}
__
11. The constant is 12. Divisors of 12 are 1, 2, 3, 4, 6, 12. The possible rational roots are ...
±{1, 2, 3, 4, 6, 12}
_____
A graphing calculator is useful for seeing if any of these values actually are roots of the equation. (The 4th-degree equation will have 2 complex roots.)
Ответ:
Step-by-step explanation:
This is an isosceles triangle with base of 21 and sides of 28.
Area formula
A = 1/2bhFind height:
h =Area:
A = 1/2(25.96)(21) = 272.6 (rounded)