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Flura [38]
2 years ago
6

PLEASE SOMEONE HELP NOWWWW.

Mathematics
2 answers:
yanalaym [24]2 years ago
8 0

Answer:

1.45 miles per minute

Step-by-step explanation:

The question asked it to be presented in miles per minute so divide 1000 by 60 which will give us 50/3. We then multiply that with cos(85) which will give us the final answer of 1.45.

dolphi86 [110]2 years ago
3 0

Answer:

Step-by-step explanation:

If the missile was going 900 mph and we are trying to find the horizontal velocity

This could be 3.88, and rounding it to the nearest hundredth would be 3.90 miles per minute

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A one-celled organism measures 32 mm in length in a photograph. If the photo has been enlarged by a factor of 100, what is the a
larisa86 [58]

32 mm = length × 100

(32 mm)/100 = length . . . . . divide both sides by 100

0.32 mm = length

The actual length of the organism is 0.32 mm.

5 0
2 years ago
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PRACTICE ANOTHER A piece of wire 18 m long is cut into two pieces. One piece is bent into a square and the other is bent into an
sergejj [24]

Answer:

Step-by-step explanation:

We have the equations

4x + 3y = 18   where x = the side of the square and y = the side of the triangle

For the areas:

A = x^2 + √3y/2* y/2

A = x^2  + √3y^2/4

From the first equation x = (18 - 3y)/4

So substituting in the area equation:

A = [ (18 - 3y)/4]^2 + √3y^2/4

A = (18 - 3y)^2 / 16 + √3y^2/4

Now for maximum / minimum area the derivative = 0 so we have

A' = 1/16 * 2(18 - 3y) * -3 + 1/4 * 2√3 y = 0

-3/8 (18 - 3y) + √3 y /2 = 0

-27/4 + 9y/8 + √3y /2 = 0

-54 + 9y + 4√3y = 0

y = 54 / 15.93

= 3.39 metres

So x = (18-3(3.39) / 4 = 1.96.

This is a minimum value for x.

So the total length of wire the square  for minimum  total area is 4 * 1.96

= 7.84 m

There is no maximum area as the equation for the total area is a quadratic with a positive leading coefficient.

3 0
3 years ago
What is 9/16 rounded to the nearest whole number?
Levart [38]

Answer:

Step-by-step explanation:

9/16=.5625

Round that to the nearest whole number would be 1

6 0
2 years ago
A cone has a volume of 60pie cubic feet. If the radius is 2 feet what is the height of the cone
CaHeK987 [17]

Answer:h=60×2

=120

Step-by-step explanation:

3 0
3 years ago
What is 85/20 simplified ​
inessss [21]

Answer: 4 1/4

Step-by-step explanation: 85 divided by 20 is 4.25

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2 years ago
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