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Genrish500 [490]
3 years ago
9

Which ordered pairs are on the line ​ 4x−3y=8 ​?

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
4 0
It is either a or d just plug them in
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The position of an object along a vertical line is given by s(t) = −t3 + 3t2 + 7t + 4, where s is measured in feet and t is meas
saw5 [17]

Answer:

The maximum velocity of the object in the time interval [0, 4] is 10 ft/s.

Step-by-step explanation:

Given : The position of an object along a vertical line is given by s(t) = -t^3+3t^2+7t +4, where s is measured in feet and t is measured in seconds.

To find : What is the maximum velocity of the object in the time interval [0, 4]?

Solution :

The velocity is rate of change of distance w.r.t time.

Distance in terms of t is given by,

s(t) = -t^3+3t^2+7t +4

Derivate w.r.t. time,

v(t)=s'(t) = -3t^2+6t+7

It is a quadratic function so its maximum is at vertex of the function.

The x point of the function is given by,

x=-\frac{b}{2a}

Where, a=-3, b=6 and c=7

t=-\frac{6}{2(-3)}

t=-\frac{6}{-6}

t=1

As 1 lie between interval [0,4]

Substitute t=1 in the function,

v(t)= -3(1)^2+6(1)+7

v(t)= -3+6+7

v(1)=10

Th maximum velocity is 10 ft/s.

Therefore, the maximum velocity of the object in the time interval [0, 4] is 10 ft/s.

8 0
2 years ago
Read 2 more answers
What are the x-intercept and y-intercept of the line passing through (0,-3) and (5,0)
Butoxors [25]

Answer:

y-intercept: (0, -3)

x-intercept: (5, 0)

Step-by-step explanation:

Trick question! The problem gives you the x and y intercepts. x intercept is when y is 0, and y intercept is when x = 0!

3 0
3 years ago
WALK-A-THON WALE
dsp73
45x+zy=-c is the anser because of many reasons
3 0
2 years ago
Simplify the expression. <br><br> 5(x - z) + 4(y - x)
Pepsi [2]
5x-5x+4y-4x i believe

5 0
3 years ago
Marcus earns $13.00 per hour by walking the neighbor's dogs. He walked the dogs for
Lisa [10]

Answer:

$52.00

Step-by-step explanation:

if he makes 13.00 per hour, for four hours, you just times 13 by 4 to get 52.

4 0
3 years ago
Read 2 more answers
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