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Aleksandr-060686 [28]
3 years ago
13

John took 45 minutes to bicycle to his grandmother's house, a total of four kilometers. what was his velocity in km/hr?

Mathematics
1 answer:
Marina CMI [18]3 years ago
8 0
 I think 5.3 km/hr 
I hope this help
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Write the equation using polar coordinates y^2=16x
baherus [9]
<span>r²sin²θ = 16rcosθ </span>

<span>rsin²θ = 16cosθ </span>

<span>r = 16cosθ / sin²θ </span>

<span>r = 16cotθcscθ</span>
8 0
3 years ago
HelPPPPP PLSSSSSSSSSSSSSSSSSSSSSSSS page 109 :((((((((((((((((((( ty!&lt;333
gavmur [86]

Answer:

1. 1/4+1/4=2/4=1/2

2. Yes

3. i don't know

4. Yes

Step-by-step explanation:

1. 1+1=2 therefore you get 2/4 or 1/2

2. 2/3 is the reduced form of 4/6

3. i honestly dont know

4. 3/4 is the reduced form of 9/12

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2 years ago
21253 to the nearest hundred
Dahasolnce [82]

Answer:

21300

Step-by-step explanation:

3 keeps 50 the same, and if the number is below 4 then the number stays the same, if it's 5 and up the number goes up by one digit.

4 0
3 years ago
(1×1)-tan×(-tan) evaluate it by Determinants
andrew11 [14]

Answer:

1x1

Step-by-step explanation:

4 0
3 years ago
The volume of a cone is 88π cubic feet. Its height is 8 feet. Fatima is finding the radius of the cone. Her work is shown below.
Kisachek [45]
To evaluate the radius of the cone we proceed as follows:
V=1/3 πr²h
plugging in the values, v=88π, h=8 ft
step 1
88π1/3πr²(8)
step 2
88π=8/3πr²
step 3
 divide both sides by π
88=8/3r²
multiply both sides by 3/(8)
88(3/8)=r²
step 4
simplify
33=r²
step 5 
get the square root
r=√33

Thus the mistake that Fatima made was:
<span> In step 3, Fatima did not multiply 88 by the reciprocal of 8/3 </span>
9 0
3 years ago
Read 2 more answers
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