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Semenov [28]
3 years ago
8

What is the area of a sector with a central angle of 2π 9 radians and a diameter of 20.6 mm? Use 3.14 for π and round your answe

r to the nearest hundredth.
Mathematics
1 answer:
Blababa [14]3 years ago
7 0
The answer is 37.01 i took the quiz
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A bottle and its cork cost $1.20 of the bottle costs $1.10 more than the cork. What is the cost of bottle and of the cost of cor
777dan777 [17]
The cost of the bottle alone costs $1.15, and the cork costs $0.05, you add them together and you get  $1.20. That is how the bottle costs $1.20.
8 0
2 years ago
I need the answer to these math questions.
Studentka2010 [4]

Answer:

1) 506.85 minutes

2) 17.33 minutes

3) 23.25 hours

Step-by-step explanation:

1) 16 minutes and 21 seconds

21\ seconds=\frac{21}{60}\\=0.35\ minutes

16 minutes and 21 seconds=16.35 minutes

Multiply by 31

\therefore 16.35\times 31=506.85\ minutes

2) 537 minutes 20 seconds

20\ seconds=\frac{20}{60}\\=0.33\ minutes

537 minutes 20 seconds=537.33 minutes

Divide by 31

\therefore 537.33\div 31=17.33\ minutes

3) 999 hours 45 minutes

45\ minutes=\frac{45}{60}\\=0.75\ hours

999 hours 45 minutes=999.75 hours

\therefore 999.75\div 43=23.25\ hours

8 0
3 years ago
9) Mrs. Jones spends $12.35 per day on her
Studentka2010 [4]

Answer:

Step-by-step explanation:

Since she buys lunch for 15 days you do 12.35 times 15 which is $185.25

5 0
2 years ago
Read 2 more answers
Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Together they made 13 resolutions. How ma
Scilla [17]

Answer:

8 resolutions

Step-by-step explanation:

13 - 5 = 8

8 0
2 years ago
Read 2 more answers
The length of rectangular sign is 12 less than twice the width. Its perimeter is 114 ft. Find the length and the width of the si
Ymorist [56]

We have two relations between length and width. One is given in the problem statement. The other is given by the formula for perimeter. We can solve the two equations in two unknowns using substitution.

Let w and l represent the width and length of the sign in feet, respectively.

... l = 2w -12 . . . . . the length is 12 ft less than twice the width

... p = 2(l +w) = 114 . . . . the perimeter is 114 ft

Using the first equation for l, we can substitute for l in the second equation.

... 114 = 2((2w -12) +w)

... 114 = 6w -24 . . . . . . . . simpify

... 138 = 6w . . . . . . . . . . . add 24

... 23 = w . . . . . . . . . . . . . divide by 6

... l = 2w -12 = 2·23 -12 = 34 . . . . use the equation for l to find l

The length and width of the sign are 34 ft and 23 ft, respectively.

7 0
3 years ago
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