1d

#### Given: △KMN, ABCD is a square KN=a, MP ⊥ KN , MP=h Find: AB

Given: △KMN, ABCD is a squareKN=a, MP ⊥KN , MP=h Find: AB

1d

#### Given: △ABC m∠B=90°, AB:BC=4:5 BD ⊥ AC , BD=80 Find: AD and DC

Given: △ABC m∠B=90°, AB:BC=4:5 BD ⊥ AC , BD=80 Find: AD and DC

1d

#### What is the Probablility?

Does it pay to ask for a raise? A national survey of heads of households showed the percentage of those who asked for a raise and the percentage who got one. According to the survey, of the men...
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1d

#### How many zeros does a quadratic function have?

This question deals with the location of a parabola with respect to the X-axis.

1d

#### If sin x=7/25, and 0<x<π/2, what is tan(x−π/4)?

If sin x=7/25, and 0<x<π/2, what is tan(x−π/4) in fractional form?

#### The lengths of two opposite sides of a square are decreased by 40% while the lengths of the other two sides are increased by 50% to form a rectangle. By what percent does the square's area decrease?

it would be great if someone could help me on this :)

1d

#### If 180°<α<270°, cos α=−817, 270°<β<360°, and sin β=−45, what is cos(α+β)?

If 180°<α<270°, cos α=−817, 270°<β<360°, and sin β=−45, what is cos(α+β)?

1d

#### physics dynamic friction

A block rests on an inclined plane. Its angle with the horizontal is increased. When the angle becomes 40 ̊, the block starts to slide. Calculate the coefficient of static friction between the...
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#### An obtuse triangle has a side length of 16, and a side length of 21. The third side length is also a positive integer. How many different possible values are there for the third side length?

I had gotten 37, but apparently that wasn't right.

#### whats the running pressure in torr?

High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals...
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#### An obtuse triangle has a side length of $16,$ and a side length of $21.$ The third side length is also a positive integer. How many different possible values are there for the third side length?

i got 16 but my system isn't accepting it

1d

#### Rate of reaction / sec 5 chemistry experience

Among these three reactions-CaCO3+HCl-CaCO3+citric acid-CaCO3+CH3COOHWhich one has the biggest/smallest rate of reaction and why?

#### Finding end point

Find the endpoint of the line segment with the given endpoint and midpoint Endpoint : (6,-5)Midpoint : (6,2)

1d

#### what is the sum of 17 with the diffence of 1

What two numbers have the sum of 17 and when you subtract those two numbers you get one

1d

#### Translate into an equation: A number decrease by 44 equals 82. Let the number be represented by K.

Translate in a equation

1d

#### Question related to Applied Physics

Question:An elecric dipole of two charged particles of magnitude q but of opposite sign, oriented along z-axis separated by distance d as shown in fig.1. A point P is located on z-axis at distance...
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1d

#### According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green.

If you randomly select four peanut M&M’s, compute that probability that at least one of them is brown.

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