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ladessa [460]
3 years ago
14

Bill estimates that 20 people will attend the seminar if it does not rain and 12 people will attend if it rains. The weather for

ecast indicates a 40% chance it will not rain and a 60% change it will rain on the day of the seminar. Determine the expected number of people who will attend the seminar.
Mathematics
1 answer:
Rama09 [41]3 years ago
6 0
15 people would show up
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Two rectangular picture frames have the same area of 45 square inches but have different side lengths. Frame A has a length of 6
Vilka [71]

9514 1404 393

Answer:

  1. the longer frame (B) has the shorter width

  2. the shorter width is 6 3/7 inches, area divided by length

Step-by-step explanation:

The relation between area, length, and width is ...

  A = LW

Then the width is ...

  W = A/L . . . . .  inversely proportional to length

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1. Since length and width are inversely proportional (when area is constant), the shorter width will be associated with the longer length. Frame B will have the shorter width.

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2. The width of frame B is ...

  W = A/L = (45 in²)/(7 in) = 45/7 in = 6 3/7 in

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3 years ago
A rectangle has a height of 5m^4 and a width of m^2-2m-1.
vovangra [49]

Step-by-step explanation:

Area of rectangle= lw

= 5 {m}^{4}  \times ( {m}^{2}  - 2m - 1) \\  = 5 {m}^{6}  - 10 {m}^{5}   - 5 {m}^{4}  \\

3 0
3 years ago
If y = 9 inches, z = 14 inches, h = 5 inches, and w = 4 inches, what is the area of the object?
vekshin1

Answer:

126

Step-by-step explanation:

7 0
1 year ago
A dragonfly can beat its wings 30 times a second. write an equation in slioe intercept form that shows the relationship between
ivanzaharov [21]

Answer:

1800

Step-by-step explanation:

Since there is the tragon fly beat his wings 30 times a second ,there is 60 hundredths of a second in a second multiply 30 x 60 and you should get 1800.

  1. mulitiply 0x0 = 0

     2.  mulitiply 6x0=0

        3. multiply 3x0=0

          4. mulitiply 6x3 = 18

            5. have 1800

or you can just multiply 6x3 = 18 and add the two zeros

6 0
3 years ago
Jill wrote the number 40 if her rule is add 7 whats is the fourth nymber in jills pattern how many can you check you answer
Rudik [331]

Answer:

68

Step-by-step explanation:

1) 40+7=47

2) 47+7=54

3) 54+7=61

4) 61+7=68

6 0
3 years ago
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