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2 years ago

Marilyn bought 6 cans of tuna at $1.29 a can. How much did she spend

Mathematics

2 answers:

schepotkina [342]2 years ago

4 0

This is an easy problem.

Cost of each can = $ 1.29
Total number of cans = 6

6 X 1.29 = Total Cost

$7.74 = Total Cost

nika2105 [10]2 years ago

3 0

1.29*6=7.74 so she spend $7.74

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Find the area of the shaded region. Round the the nearest tenth.

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226.084 sq.m.

Step-by-step explanation:

Radius of circle = 18.6 cm

Area of sector = $\frac{\theta}{360^{\circ} }\pi r^2$

Area of sector = $\frac{123}{360} \times 3.14 \times (18.6)^2$

Area of sector = $371.157 m^2$

Area of triangle = $\frac{1}{2} \times a \times b \times Sin x$

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b = OB = radius = 18.6 cm

x =123 °

Substitute the values in the formula

Area of triangle = $\frac{1}{2} \times 18.6 \times 18.6 \times Sin 123$

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So, Area of shaded region = Area of sector - Area of triangle

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