3 years ago

Plz help me with my homework!!!!

1 answer:

3 0

28. Each person will get 2 pieces. 1/6=2/12
29. Each teacher will get 9 cookies. 1/4=(sorry, I'm not sure)
30. Each student will get 4 slices.1/16=4/64
31. She has made five.
Hope this helped :)

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4. Find the value of x in the right triangle below. 60°

antiseptic1488 [7]

Answer:

Step-by-step explanation:

It is worthwhile memorizing the ratios of legs in a 30°–60°–90° triangle. Shortest to longest, the ratios are ...

1 : √3 : 2

Then the sides marked will have the ratio ...

6 : x = 1 : 2 = 6 : 12

x = 12

_____

You can also get there using trigonometry.

cos(60°) = 6/x

x = 60/cos(60° = 60/0.5

x = 12

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3 years ago

Each person eats 2/3 of a pound of turkey. how many pounds of turkey will be needed for 8 people

dezoksy [38]

Multiply 2/3 by 8 and you will get 16/3 or 5.33 repeating.

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3 years ago

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siniylev [52]

4x - 8 + 4y

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2 years ago

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In triangle ABC, AB = 11 cm, BC = 9 cm and CA = 10 cm. Find the area of triangle ABC.

max2010maxim [7]

Answer:

Area = 42.43 square cm

Step-by-step explanation:

Using Heron's Formula :

$Area = \sqrt{s\times (s-a) \times (s-b) \times(s -c)} \ , \ where \ s \ =\ \frac{a+ b+ c}{2}$

Find Area :

$s = \frac{11 + 9 + 10 }{2} = \frac{30}{2} = 15$

$Area = \sqrt{15 \times ( 15 - 11 ) \times { (15 - 9 ) \times ( 15 -10)}\\\\$

$= \sqrt{15 \times 4 \times 6 \times 5}\\\\=\sqrt{1800}$

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3 years ago

1. Write the following sentence as an equation: the product of w and 15 is 165.

Talja [164]

W+15=165
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2 years ago