3 years ago

Eeeeeeeeeeaaaaaaddddddd

Mathematics

1 answer:

dangina [55]3 years ago

3 0

Find the greatest common multiple. Could you try to list them out?

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WILL UPVOTE!<br> Factor the expression.<br> 4r^2 − 49 =

chubhunter [2.5K]

Would it be
(2r-7)*(2r+7)

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3 years ago

What is the value of r^2 for the following data to three decimal places

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3 years ago

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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.

The longer diagonal bisects the 42° angle

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

= 1156 + 1156 - 2312 c0s 138

= 4030.1508...

x = sq rt 4030.1508...

= 63.5

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3 years ago

If the long tail is to the right, the distribution of the data is said to be: a symmetric distribution. a negatively skewed dist

natita [175]

Answer:

Step-by-step explanation:

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3 years ago

Sparky has a monthly cell phone plan that has a fixed charge of $15 per month plus $0.05 per text message. Sparky wants to spend

arsen [322]

Answer:

15 + 0.05x ≤ 50

Step-by-step explanation:

The cost needs to be less than or equal to 50. Thus, the equation would be

15 + 0.05x ≤ 50

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3 years ago