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attashe74 [19]
3 years ago
5

Which expression is equal to 354−−√−424−−√ ? 6√ −6√ −116√ 116√?

Mathematics
2 answers:
Tcecarenko [31]3 years ago
8 0

Answer:

Its square root 6 so A.

Step-by-step explanation:

Naddik [55]3 years ago
7 0
3 \sqrt{54} -4 \sqrt{24} =3 \sqrt{9\times6} -4 \sqrt{4\times6}  \\  \\ =9 \sqrt{6} -8 \sqrt{6} = \sqrt{6}  \\  \\ \therefore3 \sqrt{54} -4 \sqrt{24}=\bold{ \sqrt{6} }
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Anyone who knows how to do this right please
Elan Coil [88]

Answer:

13. 9.77 inches (rounded to 3 s.f.)

14. 249m² (rounded to 3 s.f.)

Step-by-step explanation:

13. To find the arc length, the formula is the angle of the arc out of 360° multiplied by the circumference of the full circle. Circumference of circle: pi × r × 2

\frac{80}{360} × pi × 7 × 2 = 3\frac{1}{9}pi

                       = 9.77 inches (rounded to 3 s.f.)

14. To find the sector area, the formula is the angle of the sector out of 360° multiplied by the area of the full circle. Area of circle: pi × r × r

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5 0
2 years ago
The area for a trapezoid is given by the formula below, where a and b are the lengths of the two bases and h is the height of th
aivan3 [116]

Answer:

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Step-by-step explanation:

Given

A = \frac{h(a + b)}{2}

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4 0
2 years ago
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