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Mathematics

1 answer:

posledela3 years ago

5 0

C: <span>a triangle that must have the same dimensions as the bases</span>

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Directions: Show ALL work. NO WORK=NO CREDIT!

Savatey [412]

Answer:

$18.75

Step-by-step explanation:

75 divided among the 4 sisters equally

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2 years ago

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On your last math quiz, you got 15

dlinn [17]

Answer: 75%

Step-by-step explanation: So 15/20 simplified is 3/4 and 3 divided by 4 equals 0.75. To convert a decimal to a percentage, you multiply 0.75 by 100 to get 75%.

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2 years ago

A planet has a circular orbit around a star. It is a distance of 81,000,000 km from the centre of the star. It orbits at an aver

slava [35]

$81,000,000 \text{ km} \left(\frac{1 \text{ h}}{46,000 \text{ km}} \right) =\frac{40500}{23} \text{ h} \\ \\ \frac{40500}{23} \text{ h} \left(\frac{1 \text{ days}}{24 \text{ hours}} \right) \approx \boxed{73 \text{ days}}$

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1 year ago

Y’all I need help with this

topjm [15]

Answer:

k = 5

Step-by-step explanation:

Since the quantities are in direct proportion then the equation relating them is

y = kx ← k is the constant of proportion

The y- axis is number of cups and x- axis is pounds of sugar

To find k use any of the 5 points highlighted on the graph

Using (8, 40 ), then

40 = 8k ( divide both sides by 8 )

5 = k

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2 years ago

Need help with some inverse trigonometric expressions, rounded to the nearest degree.

rjkz [21]

A Google or Bing search box can be your friend, if you don't have a calculator with inverse trig functions. Most calculators that have trig functions also have the inverse functions, usually after a 2nd or "shift" key. Often, there is a mode setting for degrees or radians.

arcsin(0.33) ≈ 19°
arccos(0.47) ≈ 62°
arctan(1.21) ≈ 50°
arcsin(0.82) ≈ 55°

6 0

3 years ago