3 years ago

Someone please help me

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

7 0

3.14 radius times radius height divided by 3 thats the formula

Paha777 [63]3 years ago

3 0

If im correct it is 38yd cubed

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What is the first step in solving: 14 + 2x - 3 = 43?

ch4aika [34]

D. Subtract 14

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3 years ago

Using a standard six-sided die, janice rolled either a 2 or a 5on the last 6 rolls of the die. what is the probability of janice

Vedmedyk [2.9K]

Answer:

1/3

Step-by-step explanation:

probability = favorable outcomes/total possible outcomes

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2 years ago

9. In a rhombus whose side measures 34 and the smaller angle is 42°. Find the length of the larger diagonal, to the nearest tent

Veseljchak [2.6K]

Answer:

63.5

Step-by-step explanation:

The diagonals of a rhombus bisect opposite angles.

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The larger angle of the rhombus is 180 - 42 = 138

Let x = the length of the longer diagonal

You know two sides and the included angle of a triangle.

Using the law of cosines we get

$x^{2} = 34^{2} + 34^{2} -2(34)(34) cos 138\\ = 1156 + 1156 - 2312 cos 138\\ = 4030.150837...\\x = \sqrt{4030.150837} = 63.48$ $x^{2} = 34^{2} + 34^{2} -2(34)(34)cos 138\\ = 1156 + 1156 - 2312 cos 138\\ = 4030.1508...\\ x = \sqrt{4030.1508} \\ = 63.48$ x^2 = 34^2 + 34^2 - 2(34)(34) cos 138