A square has an edge of 9.2 in., with a possible error in the measurement of ± 0.04 in. Estimate the possible error in the area of the square.

Q: What is a service area of a cone with height = 23cmband radius = 33cm?  how many units?

A:

Q: What is the area in m^2 of a laboratory which is 0.020 km long and 1.0 X 10 m wide?

A: Given,

Q: The diameter of a sphere is measured to be 40 cm.if an error of 0.02cm is made in it, thenfind the…

A:

Q: The widths (in meters) of a kidney-shaped swimming poolwere measured at 2-meter intervals as…

A:

Q: A circle has a radius of 4 cm. If the radius is increased by 0.01 cm, what is the estimated increase…

A:

Q: If the pre-image of a shape has an area of 16. What is the area of the image of the scale factor is…

A: Ratio of areas of image and pre-image is equal to square of  scale factor.

Q: The calculated uncertainty associated with total measured length (cm) is equal to .?

A:

Q: The base edge of a square pyramid is 3 m and its altitude is 10 m Find the area of the section…

A: Given,           The base edge of a square pyramid is 3 m and its altitude is 10 m.To find: The area…

Q: The sides of a base and the hight of a triangular prism are measured and measurements are known to…

A: In this question we will use basic of mathematics i.e volume of triangular prism is 1/2*b*h*l and to…

Q: The diameter of a sphere is measured to be 40cm.If an error of 0.02cm is made in it,then find the…

A: To find the approximate errors in volume and surface area of the sphere

Q: s the area of the shaded region equal to the area of unshaded shaded?

A:

Q: The radius of a circle is measured as 4.87 in., with a possible error of ± 0.040 in. Estimate the…

A: Consider the given radius. r=4.87 in Now, find the area of the circle with error. A=πr2 Find the…

Q: A rectangular wooden chopping board is advertised as being 17cm by 25 cm, each side measured to the…

A: (a) Consider the rectangular wooden chopping board,   it can be observed that the longer side is of…

Q: The dimensions of a rectangle are measured to be 8 ± 0.1 by 4 ± 0.2 inches. What is the approximate…

A:

Q: A regular hexagonal shaped target with sides of length 14 cm has a circular bull’s eye with a…

A: Area of Bull's Eye a=π4×d2=π4×32a=π4×9a=227×94a=9914 cm2 Area of Hexagon A=332s2=332142A=2943  cm2

Q: is expanding with time. If = 5 cm2/s, what is at =6? 6. A circle with area A =

A: Answer and explanation is given below..

Q: Find the radius of a circle whose area equals the sum of the areas of two circles with radii 3 in.…

A: First we find the area of the circle with radius = 3 in Then we find the area of the circle with…

Q: twelve equally spaced holes must be drilled on a 11.300 in. diameter bolt circle. what is the…

A:

Q: A circle with radius 7cm has half its area removed by cutting off a border of uniform width. Find…

A: here radius r = 7 cm given  A = πr2 A = 3.14*72 A = 3.14*49  A = 153.86 cm2   area is half  so A/2 =…

Q: The legs of a right triangle are found by measurement to be 15 cm and 8 cm with a possible error of…

A:

Q: To the nearest tenth of a centimeter, how tall is a cylinder with a radius of 9.4 cm and volume of…

A:

Q: The dimensions of a rectangular block of wood are found to be 100,120 and 200mm, with a possible…

A: Let's find greatest error in the surface area of the rectangular block.

Q: A cylinder with radius 7 has total area 168π cm2 Find its height.

A: Given: A cylinder with radius 7 has total area 168π cm2 To determine: Height of the cylinder.

Q: 1. The legs of a right triangle are measured to be 10 cm and 20 cm with a possible error of 0.001 cm…

A:

Q: The area of the rectangle is 26.9 cm2, correct to 3 significant figures. Calculate the upper bound…

A: The length of rectangle is 6.7 cm, correct to 2 significant digit.  The area of the rectangle is…

Q: An automobile with 0.310 m radius tires travels 95,000 km before wearing them out. How many…

A: An automobile with 0.310m radius tires travels 95,000km before wearing them out. We have to find how…

Q: In circle P with MZNPQ= 82 and NP = 3 units find area of sector NPQ. Round to the nearest hundredth.…

A: The area of the sector is, 6.44 square units  The detailed solution is as follows below:

Q: The diameter of a sphere is measured to be 40 cm.if an error of 0.02cm is made in it,thenfind the…

A:

Q: To the nearest tenth of a centimeter, how tall is a cylinder with a radius of 7.4cm and volume of…

A: Given:        Radius r = 7.4 cm        Volume V = 2119.5 cm3        Volume of cylinder V = πr2h…

Q: The area of a circle is 154 cm². If its radius is r cm, find r, correct to two decimal places. Be…

A: Write the formula of the area of circle and equate to given value of area than solve for r.

Q: Starting with a 140-foot-long stone wall, a farmer would like to construct a rectangular enclosure…

A: Given: Length of the stone wall is 140 foot. A rectangular enclosure is added by adding 700 feet of…

Q: How accurately should you measure the edge of a cube to be reasonably sure of calculating the cube’s…

A: The error should not be more than 2%.

Q: 2. A circle with radius 7cm has half its area removed by cutting off a border of uniform width. Find…

A: We have to find width of border.

Q: In circle P with MZNPQ = 46 and NP = 20 units find area of sector NPQ. Round to the nearest…

A: We have to find function representing the given area.

Q: A baseball diamond is in Second base the shape of a square with 90-ft sides. How far is it from home…

A:

Q: The radius of a circle is measured as 4.87 in., with a possible error of ±0.040 in. Estimate the…

A: Given: The radius of a circle is measured as 4.87 in., with a possible error of ±0.040 in.

Q: The area of an annulus is equal to a quarter of the area of the inner circle.  Solve for the…

A: In this question we have to find the diameter.

Q: What is the relative error in the total surface area of a cube of edge 3 feet if an error of 1/2…

A: Relative error

Q: The diameter of a sphere is measured to be 40cm. If an error of 0.02cm is made in it, then find the…

A: We have diameter = 40 cm. Then radius = 40/2 = 20 cm. So, volume is       and surface area is…

Q: Find the area of the regular polygon with 10 sides whose radius is 4 inches. Round to two decimal…

A:

Q: If the radius of a circle is .8 increased from 5 cm to 5.1 cm. The approximate increase in area

A: Given that The radius of circle is increased from 5 cm to 5.1cm To find The approximate increase in…

Q: A lawn sprinkler located at the corner of a yard is set to rotate through 600 and project water out…

A: A lawn sprinkler located at the corner of a yard is set to rotate through 60 degrees  and project…

Q: Determine, using the method of composite areas, the second moments of area of part 3 about the…

A:

Q: If the pre-image of a shape has an area of 16. What is the area of the image if the scale factor is…

A: Given: Pre-image of a shape has an area = 16 scale factor =4 To find area of the image

Q: The radius of a circular disk is given as 20 cm, with a maximum error measurement of 0.15 cm.…

A: Use the derivative to calculate the maximum error .

Q: 3 cm 14 cm

A:

Q: Suppose that you just completed a nonstop bicycle trip of 5.5 km. You know that each wheel of your…

A: Given Data: The distance covered by the bicycle is: d=5.5 km=5500 m The radius of the wheels of a…