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Snowcat [4.5K]
2 years ago
13

Please answer the question correctly while showing detailed working. ​

Mathematics
1 answer:
kati45 [8]2 years ago
6 0

Step-by-step explanation:

hey buddy it took a long time but it's ready for you

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An ounce is 1/16 of a pound. How many ounces are in 8 3/4 pounds?
ivolga24 [154]
Multiply 8 3/4 lb by the conversion factor   16 oz
                                                                    ------------
                                                                     1  lb

Then 35 lb       16 oz            560 oz
         -------- * -----------  =  ------------- =  140 oz (answer)
            4            1 lb                4
5 0
3 years ago
Suppose lines EF and GH are reflected over the line Y equals X to form the lines JK and LM which statement would be true about t
katrin [286]

Answer:

A) JK and LM will be parallel to each other.

Step-by-step explanation:

On reflection on y=x line the x co-ordinate changes with y co-ordinate and y co-ordinate changes with x co-ordinate

(x,y)\rightarrow (y,x)

Points on line EF

(0,6) , (-5,-2)

On reflection of this line on y=x the new points we get for line JK are

(6,0),(-2,-5)

Points on line GH

(-4,9),(-9,1)

On reflection on y=x line the new points we get for line LM are

(9,-4),(1,-9)

Slope of line JK

m=\frac{y_2-y_1}{x2-x1}\\m=\frac{(-5)-0}{(-2)-6} \\m=\frac{-5}{-8}=\frac{5}{8}

Slope of line LM

m=\frac{y_2-y_1}{x2-x1}\\m=\frac{(-9)-(-4)}{1-9} \\m=\frac{-9+4}{-8}=\frac{-5}{-8}\\m=\frac{5}{8}

For two line to be parallel, their slopes will be same.

m_{JK} =\frac{5}{8} , m_{LM}=\frac{5}{8}

Since slopes of lines JK and LM are same therefore we can say that these are parallel to each other.

5 0
3 years ago
A man on the fifth floor of a building shouts down to a person on the street. If the angle of elevation from the street to the m
AleksandrR [38]

Answer: 57 ft

Step-by-step explanation: Because drawing it up, we can make a right angled triangle with the right angle between the height of the man in the building and the distance out from the building of the man in the street, and the 35 degrees between the line connecting the man in the street with the man in the building, and the line out from the building of the man in the street. Then, tan of the 35 degree angle is = to opposite (40ft)/adjacent (to solve for). By cross multiplication, the A or adjacent (dist out from the building) = 40/0.7 (0.7 = tan of 35 degrees) so the answer is 57 ft. 

3 0
3 years ago
Read 2 more answers
Using L'Hopital's rule, evaluate the limit as x approaches infinity of (sin (8x))/(5x)
sweet-ann [11.9K]

Answer:

45.89

Step-by-step explanation:

This is what is the answer

6 0
3 years ago
Elise has to use the information given below to find the original number. Write an equation to represent the situation. What is
lilavasa [31]
Let x= original number
equation: 2x+24=2/7 x
move 2x over to the other side of the equation to get 24=-12/7 x. Then, multiply both sides of the equation by -7/12 to isolate the variable.
The final answer should be x=-14
3 0
3 years ago
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