Dot Products of Vectors

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Find a b if a = 10i + 4j and b = 3i + 4%.

a. (30,16)

c. 46

b. - 14

d. (13,8)

When a diagonal is drawn in a rectangle, what is true of the areas of the two triangles into which it divides the rectangle? They are called?

The length of a rectangle is 5 meters less than 3 times the width. The perimeter is 46 meters. Find the width.

How to round up 91284; hundred thousand

A boat can travel 24 miles down stream in 3 hour and can make a return trip in 4 hours. Find the speed in still water

A salesman has a base salary $2600 per month and makes 3 commission on each unit sold. If his total annual compensation is $48,000 and he sold 2000 units, how much does each unit cost

A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel at speeds shown below, (firework A: 340 ft/s, firework B: 320 ft/s) Firework B is launched 0.25 s before Firework A.

The mean age of 5 people in a room is 40 years. A person enters the room. The mean age is now 35. What is the age of the person who entered the room?

What is 15 x minus 3 y = 0 written in slope-intercept form?

A sphere has a diameter of 14 ft. What is its surface area? The surface area of the sphere is ft squared. (Type an exact answer in terms of pi .)

The area of a rectangle r is 48. if its sides are whole numbers, then its perimeter cannot be