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gavmur [86]
2 years ago
5

Please help please please help please

Mathematics
1 answer:
JulsSmile [24]2 years ago
8 0
7/8 * 1/2+ 7/16 
if not 1/8
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Find the values of x and y that make k || j and
MArishka [77]

Answer:

  • x = 80°
  • y = 130°

Step-by-step explanation:

The interior is a parallelogram when adjacent angles are supplementary. This requires ...

  (x -30)° + (x +50)° = 180°

  2x + 20 = 180 . . . . . . . . . . . collect terms, divide by °

  2x = 160 . . . . . . . . . . . . . . . subtract 20

  x = 80 . . . . . . . . . . . . . . . . . divide by 2

Then the angle x+50 is ...

  (x +50)° = (80 +50)° = 130°

This is also the measure of the angle marked y.

For the lines to be parallel, x = 80, y = 130°.

6 0
3 years ago
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What's the greatest common factor for 25 and 28 division​
kifflom [539]
The greatest common factor would be 1 because it is the only one they have in common
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3 years ago
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What is the inverse of the function
Angelina_Jolie [31]

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A is correct ..............

3 0
2 years ago
The diagram shows the cross-section of a wall of a cinema. It has to be painted. Work out the area that needs to be painted.
mestny [16]

Answer:

Area = 370 m²

Cost to paint = £105

Step-by-step explanation:

Area of the wall of a cinema hall = Area of a trapezoid (1)+ Area of a rectangle (2) + Area of a trapezoid (3)

Area of a trapezoid = \frac{1}{2}(b_1+b_2)h

where b_1 and b_2 are the parallel sides and h is the distance between these sides.

Area of trapezoid (1) = \frac{1}{2}(11+12)\times 6

                                  = 69 m²

Area of the rectangle (2) = Length × Width

                                         = 12 × 15

                                         = 180 m²

Area of the trapezoid (3) = \frac{1}{2}(12+10)\times 11

                                         = 121 m²

Now area of the wall = 69 + 180 + 121

                                   = 370 m²

One tin covers the area = 25 m²

Number of tins required to paint the wall = \frac{\text{Total area}}{\text{Area covered by one tin}}

= \frac{370}{25}

= 14.8

Therefore, number of tins to be purchased = 15

Cost to paint the complete wall = 15 × £7

                                                       = £105

8 0
3 years ago
Please help me i really need help
joja [24]

Answer:

68

Step-by-step explanation:

15% of 80 is 12 so you subtract 12 from 80 and thats 68.

5 0
2 years ago
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