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yaroslaw [1]
3 years ago
10

Becca put 91 books on a shelf. Of the books,28 where nonfiction,13 were poetry books,and the rest were fictionbooks. How many bo

oks were fiction?
Mathematics
2 answers:
Dmitrij [34]3 years ago
6 0
50 books were fiction
Rudiy273 years ago
4 0
I think it is 50 books were fiction

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HEEEEEEEEEEEEEELLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPP
Sati [7]

Answer:

3/4.8/5 s your answer... that is option H

6 0
2 years ago
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What's the formula to find the width
vlabodo [156]
2l + 2w = p

If you already have perimeter and length, you can use this formula to solve for width.
5 0
3 years ago
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Answer ASAP, Will give brainliest
erastova [34]

Answer:

Step-by-step explanation:

1) ABCD is a trapezium. AB ║ CD

∠ADC + ∠DAB  = 180°  { Co interior angles}

110° + ∠DAB = 180

         ∠DAB = 180 -110

∠DAB = 70°

2) Sum of all angles of trapezium = 360°

∠A + ∠B + ∠DCB + ∠D = 360

70° + 50° + ∠DCB + 110° = 360

                 230 + ∠DCB = 360

                            ∠DCB = 360 - 230

∠DCB = 130°

3) For finding the height, use Pythagorean theorem

height² + base² = hypotenuse²

      height² + 6² = 10²

      height² + 36 =100

               height² = 100 - 36

              height² = 64

               height = √64

height = 8 m

4) a = AB = x m

  b = 9 m

h = height = 8 m

Area of trapezium = 120 m²

\frac{(a+b)*h}{2}\\\\  = 120

\frac{(x+9)*8}{2} =120\\\\\\(x +9)*4 = 120

x + 9 = 120/4

x + 9 = 30

    x = 30 - 9

x = 21 m

AB = 21m

                             

7 0
3 years ago
Find the domain of the following piecewise function.
il63 [147K]

Answer:

(2,8]

Step-by-step explanation:

Given

The attached piece wise function

Required

The domain

To do this, we simply consider the inequalities that bound the values of x.

The inequalities are:

2 < x < 4     4 < x < 8   and   x \ge 8

Combine the first two inequalities:

2 < x < 8    and   x \ge 8

For the inequality to be true, we must have:

2 < x \le 8

In interval notation, the inequality is:

(2,8]

6 0
2 years ago
At track practice, Coach Wilson told the team to split into groups of four for a special relay. The first runner had to run 1 la
amid [387]
You can multiply the number of laps each person ran by the yards in each lap and then add them together:

440 + 2(440) + 3(440) + 4(440)
= 440 + 880 + 1,320 + 1,760
= 4,440 yards

Or you can add the laps first, then multiply by the yards in each lap
(1 + 2 + 3 + 4)(440)
= 10 x 440
= 4,400 yards
7 0
3 years ago
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