 Lv 125 points

# king

Questions69
• ### Need math help please?

Bob is replacing an air exchanger in an air conditioning unit. The manufacturer of the air conditioner unit calls for an attachment width of 4.50" inches + <plus minus 0.12" inches

-

What are the maximum and minimum value of the width of the air exchanger attachment. And what is the tolerance

• ### Need math help please?

Two desktop computers are being shipped in a box. Each computer weight is 9.85kg the uncertainty is half the precision. What is the maximum combined weight of the 2 computers

• ### Need some math help please?

Fishers are installing a new storage bench in their hallway. The bench has a measure height of 3.1 feet. Assuming the uncertainty is half the precision, what is the maximum and minimum heights of the bench?

• ### Need math help please?

Bob wants to install 3 new cupboards in his bathroom m. Each cupboard is 40cm wide. He measures the space to be 120cm wide. Explain why the cupboard may not fit using tolerance.

• ### Need math help please?

For a measurement that has a maximum value of 20g and a minimum if 16g. Write the measurement and tolerance in this form if the nominal value is directly in the centre.

Normal value + 1/2 (tolerance)

-

So plus minus under each other

• ### Need math help please?

A company manufactures cylinders that must have a mass of 4.72 kg, within a tolerance of 0.24 kg. What is the minimum and maximum amount mass

• ### Need math help please?

The straight line distance between three different buildings form a triangle. Building A is 143.3 M from building B. Building B is 259.8 m away from building C. The angle at building A is 69 degrees. How far apart are A and C?

• ### Need math help please?

Running a race follows a triangular course. First leg of race is In a straight line, covering 4.4 km. Runners turn at 79• degrees for the second leg and than turn again at 77 degrees and head back to the start line to finish race. What is length of entire race to nearest tenth of KM.

• ### Need math help please?

Bob is building a shed in the backyard. The roof will be asymmetrical. The shorter section of roof is 3.9m and forms angle of 56• above horizontal. The longer section of the roof forms an angle of 42• above horizontal. How wide is the shed?

• ### Need math help please?

A subway tunnel is to be built under a lake to connect points A and Breakfast in a straight line. A surveyor needs to measure the distance between A and Breakfast she positions herself at point C. The distance from C to A is 1.7 km the distance from C to be is 3km the angle is 93° how long is the tunnel

• ### Need math help please?

In an isosceles triangle the angle formed by 2 equal sides is 38° and each of the equal sides measures 89cm. What is the length of the 3rd side?

• ### Need math help please?

Bob is using a clinometer and an electronic distance measuring device to measure the height of a tree. At a distance of 80m from the tree, the distance to the top of the tree is 104.6m. The angle of elevation from this point is 55.3°. < Degree. Bob than moves 25 my closers to the tree. what is the distance from the top of the tree to where he is standing?

92.7

113.3

82.5

103

• ### Need math help please?

In an isosceles triangle, the angle formed by the two equal sides is 30• <Degree and the base measures 12cm. What is the perimeter of the triangle?

58?

35?

23?

47?

• ### Need Math help please?

A outdoor patio planter is in the shape of a right trapezoidal prism. The trapezoidal base had parallel side that are 25cm and 30cm long. The trapezoid has a height of 33cm. The planter has a height of 42cm. What volume of soil can the planter hold?

• ### Which of the following is a property of a right trapezoid?

1) One pair of Parallel lines

2) two sets of parallel lines

3) all angles are equal

4) no parallel lines

• ### Need Math Help?

Bob and Max are standing 108.5 M apart at the point Between them is a tree. The angle of elevation to the top of the tree from bob location is 26• the angle of elevation from max location is 32•. How tall is the tree?

• ### Math Help please below?

Two Hikers take two different straight line paths from the camp ground. Hiker 1 walks 4km and hiker 2 walks 5km there is an angle between them at 40• how far Apart are the hikers?