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Luda [366]
2 years ago
11

13 Points: 13 points if answered with brainliest. please help is always needed!

Mathematics
2 answers:
Mkey [24]2 years ago
6 0

Answer:

18.96

Step-by-step explanation:

2.84×2=5.68

3.32×4=13.28

13.28+5.68=$18.96.

Gnom [1K]2 years ago
4 0
Just add all the prices. And then you have your answer.
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Describe the difference between an angle with a positive measure and an angle with a negative measure.
Lana71 [14]

Answer:

negative is rotating counter clockwise and positive is straight

Step-by-step explanation:

positive 180 degresse rotation

7 0
3 years ago
the main rotor of a helicopter rotates 430 times per minute. find the number of degrees through which a point on the main rotor
n200080 [17]

Answer:

2580 degrees rotated per second

Step-by-step explanation:

since  you have to find the degrees it rotates per second.

you need to divide 430 by 60 to find rotations per second

1)          430/60

             =  7.16666667 rotations per second

-then you have to multiply it by 360 degrees ,because their is 360 degrees in a circle

2)        7.16666667 (360)

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6 0
3 years ago
Mrs cats invited three of her friends out for lunch she paid $33 for food $17 for soft drinks $3 for taxes and $6 for a tip how
Firdavs [7]

Answer:

$14.75 per person

Step-by-step explanation:

because there are 4 people in total including Mrs Cats you would add up 33 + 17 + 3 + 6 to get 59 then you would divide that by the amount of people there are in this case 4 to get 14.75.

5 0
3 years ago
Read 2 more answers
An object is thrown upward from the top of 80 ft tower.The height h of the object after t seconds is represented by the quadrati
Sedaia [141]

Answer:The object will hit the ground after 5 seconds


Step-by-step explanation:

Given height of tower =80 ft

h=-16t^{2}+64t+80

When the object will hit the ground its height=0

0=-16t^{2}+64t+80

Multiplying both sides by -1

16t²-64t-80=0

Dividing by 16 both sides

t²-4t-5=0

(t-5)(t+1)=0

t=5 or -1

So t=5 since time cannot be negative

The object will fall after 5 seconds



6 0
3 years ago
Read 2 more answers
41=12d-7 can someone help me?​
OverLord2011 [107]

Answer:

d = 4

Step-by-step explanation:

41 = 12d - 7

48 = 12d

d = 4

6 0
3 years ago
Read 2 more answers
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