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umka21 [38]
4 years ago
15

A person drives a car at a constant speed for 4 hours and 30 minutes, traveling 288 miles. Find the speed of the car in miles pe

r hour.
Mathematics
1 answer:
JulsSmile [24]4 years ago
8 0
The speed of the car is 64 mph
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Instructions: Given the following constraints, find the maximum and minimum values for z.
loris [4]

Answer:

x+3y\leq 0        

x-y\geq 0

1) x+3y=0

x-y=0

-----

4y=0

y=0

x=0

(0,0)

2)(x+3y=0)3

3x-7y=16

3x+9y=0

3x-7y=16\\------\\16y=-16

y=-1

(3,-1)

3)(x-y=0)3

3x-7y=16

3x-3y=16

3x-3y=0

3x-7y=16\\------\\4y=-16

y=-4

x=4

(4,-4)

Z=-x+5y

(0,0):z=0

(3,-1):z=-8

(4,-4):z=-24

Maximum \:Value\: of\: z:0

Minimum\: Value\: of\: z:-24

<u>OAmalOHopeO</u>

8 0
3 years ago
Giving 30 POINTS TO ANSWER
harkovskaia [24]

Answer: the chiled is 3 years old

Step-by-step explanation:

3 0
2 years ago
If a line is perpendicular to y=-2/3x+2, will it be perpendicular to 2x+3y=12?
vova2212 [387]

Answer:

<em>3x + 2y = -2 </em>

Step-by-step explanation:

<em>Given Equation is</em> <em>− 2 x  +  3 y  =  12</em>

3 y  = 2 x  +  12

y =  ( 2 /3 )  y  +  12

<em />

<em>Slope of this line is  </em><em>m  =  2/ 3 </em>

<em> Slope of Line A </em><em> m a  =  2 </em>

<em> Slope of Line B  </em><em>m b  =  2/ 3 </em>

<em> Slope of Line C  </em><em>m c  =  − ( 2 /3 ) </em>

<em> Slope of Line D</em>  <em>m d  =  −  ( 3 /2 ) </em>

since  m d  =  − 1 /m  ,  <em>D</em>  is perpendicular to the given line

7 0
3 years ago
Can I get help with these problems please ?
My name is Ann [436]
A) x= 5
b) x= 1
basically, 5x5x5=125 so that mean 5 to the power of 3 equals 125. This says x-2, so 5-2=3 which completes the equation of 5 to the power of 3. same with the second one. 
4 0
4 years ago
What is the answer to 10x+8 ?
Sergeeva-Olga [200]
10x8? 80. 10, 20, 30, 40, 50, 60, 70, 80
8 0
4 years ago
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