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AlladinOne [14]
3 years ago
11

Use long division to convert the rational number 4/9 to its equivalent decimal form. In your final answer, include all of your w

ork.
Mathematics
1 answer:
mamaluj [8]3 years ago
4 0
4/9=9/40=4 remainder 4 so 4.4
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A university has 28,980 students. In a random sample of 180 students, 12 speak three or more languages. Predict the number of st
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Use cross multiply:
12(28980) = 180(x)
347760 = 180x
347760/180=1932
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3 years ago
For every 5 chocolate cones sold, 7 vanilla cones are sold. On Monday, 70 chocolate cones were sold. How many cones were sold IN
FromTheMoon [43]

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3 years ago
Use Heron's formula to find the area of the triangle. Round to the nearest square foot.
Sphinxa [80]

Answer:

A ≈ 2 ft²

Step-by-step explanation:

The area (A) of a triangle using Heron's formula is

A = \sqrt{s(s-a)(s-b)(s-c)}

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Then

A = \sqrt{4.5(4.5-4)(4.5-4)(4.5-1)}

   = \sqrt{4.5(0.5)(0.5)(3.5)}

   = \sqrt{3.9375}

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8 0
2 years ago
Freemont Run Club surveyed a random sample of 30 members about their running habit. Of the members surveyed, 9 said that they ru
atroni [7]

Answer:

i think its 420

Step-by-step explanation:

8 0
3 years ago
In APQR, p = 690 cm, a = 290 cm and r=450 cm. Find the measure of ZQ to the
katen-ka-za [31]

9514 1404 393

Answer:

  16.8°

Step-by-step explanation:

The Law of Cosines can be rearranged to give the angle measure.

  angle Q = arccos((p² +r² -q²)/(2pr))

  angle Q = arccos((690² +450² -290²)/(2×690×450))

  angle Q = arccos(594500/621000) ≈ 16.7985°

The measure of angle Q is about 16.8°.

3 0
3 years ago
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