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Marina86 [1]
3 years ago
9

Carrie and Diana ate lunch at a restaurant.

Mathematics
2 answers:
astra-53 [7]3 years ago
5 0

Answer:

B) 27.75

Step-by-step explanation:

12.99+3.25=16.24

Half the tip is 5

5+16.24=21.24

Half the pizza is 6.51

21.24+6.51=27.75

steposvetlana [31]3 years ago
3 0
The awsnser is b 27.75
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Find the acute angles between the curves at their points of intersection. (the angle between two curves is the angle between the
amm1812
At point of intersection the two equations are equal,
hence, 6x³ =6x²
           6x³-6x²=0
           6x²(x-1)=0 , the values of x are 0 and 1
The points of intersection are therefore, (0,0) and (1,6)
To find the slopes of the tangents at the points of intersection we find dy/dx
for curve 1, dy/dx=12x, and the other curve dy/dx=18x²
At x=0, dy/dx=12x =0, dy/dx=18x² = 0, hence the angle between the tangents is 0, because the tangents to the two curves have the same slope which is 0 and pass the same point (0,0) origin.
At x=1, dy/dx =12x = 12, dy/dx= 18x² =18, Hence the angle between the two tangents will be given by arctan 18 -arctan 12 
                                      = 86.8202 - 85.2364 ≈ 1.5838, because the slope of the lines is equal to tan α where α is the angle of inclination of the line.


5 0
3 years ago
Remember to simplify your fraction***
romanna [79]

Answer:

1. 2/6 or 1/3

2.  4/6 or 2/3

3. 3/6 or 1/2

Step-by-step explanation:

I hope this helps I did the ones I knew

5 0
2 years ago
Read 2 more answers
36x^3a+45xa^2=9xa( ) complete the statement.
Dafna1 [17]
9xa is the common factor.

You can complete the statement by dividing the two terms of the expression of the left side by 9xa, and you will get:

36x^3a + 45xa^2 = 9xa ( 4x^2 + 5a)
6 0
3 years ago
Help needed with all pls
Olenka [21]
#5 is 5 days
40×5=200
200+150=250

20×5=100
100+150=250
3 0
3 years ago
Can someone pls answer 150 divided by 30
Svetlanka [38]

Answer:

5

Step-by-step explanation:

150/30 = 15/3 = 5

Good luck!

4 0
3 years ago
Read 2 more answers
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