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Sever21 [200]
3 years ago
12

2) Pranavi can hike 1/3 mile in 7 1/2 minutes. How long would it take her to hike

Mathematics
2 answers:
Lapatulllka [165]3 years ago
7 0

Answer:        22.5 minutes

 

Step-by-step explanation:

worty [1.4K]3 years ago
4 0

Answer:

22.5

Step-by-step explanation:

7 1/2 = 15/2

15/2 minutes per 1/3 mile

1/3 x 3 = 1

15/2 x 3 = 22.5

22.5 minutes per mile

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aksik [14]
Multiply the first equation by 2
4x-6y=16

Then add the equations to eliminate x
4x-6y=16
-4x+5y=-10

-y=6
y-=6

Plug the y value in
2x-3(-6)=8
2x+18=8
2x=-10
x=-5

Final answer: (-5,-6)
4 0
3 years ago
Read 2 more answers
Line a passes through points (2, 1) and (7, 9). Line b is perpendicular to a. What is the slope of line b?
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8 0
2 years ago
A pair of shoes originally costs $42 but is on sale for 33% off. What is the new price? Show how you know.
gavmur [86]
Hello!
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5 0
3 years ago
Given: △ABC; AB=BC, m∠BDA = 60°, BD=4 cm, BD ⊥ BA . Find: DC, AC.
vekshin1

Answer:

DC = 10.93 cm ,  AC = 9.8 cm

Step-by-step explanation:

From trigonometry;

⇒ Tan 60 = AB/BD

⇒AB = BD Tan 60 ( where BD = 4 cm )

⇒ AB = 6.93 cm

Also, AB=BC , therefore;

⇒ BC = 6.93 cm

⇒ Cos 60 = BD/AD

⇒ AD = BD/ Cos 60 = 4/Cos 60

⇒ AD = 8 cm

From Pythagoras theorem;

⇒ AC^{2} = AB^{2} + BC^{2} = (6.93)^{2} + (6.93)^{2}

⇒ AC = \sqrt{96.05} = 9.80 cm

⇒ DC = BD + BC = 4 + 6.93

⇒ DC = 10.93 cm

8 0
2 years ago
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miss Akunina [59]

Answer:

36 is dividend

in 36/6, 6 is the divisor

the other 6 is quotient

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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