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Ksenya-84 [330]
2 years ago
5

Traffic flow at 1st Ave and High St is twice the traffic flow at 2nd ave and central. Compare the graph of the traffic flow at 1

st Ave and High St to the graph of the traffic flow at 2nd Ave and Central over time
Mathematics
1 answer:
Anna007 [38]2 years ago
3 0

Answer:

The period of the graph of the traffic flow at 1st Ave and High St is half as long as the period of the graph of the traffic flow at 2nd Ave and Central.

Step-by-step explanation:

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givi [52]

(x_1+x_2)=-b/a=18/3=6

x_1x_2=c/a=-21/3=-7

So

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(x_1-x_2)²

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x_1-x_2=8

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I need help with these problems can someone help me!
Tanya [424]

Answer:

1. 14 - 4= 10   2. 8- (-2) = 6  3. 4 - 16 = -12     4. -6 - 3 = -9       5.  13 + (-8) = 5        6.  8 - (-6) = 14

Step-by-step explanation:

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Isolate the variable by dividing each side by factors that don't contain the variable.

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Reese has a greenhouse and is growing daisies. The table shows the average number of sunflowers that bloomed over a period of fo
34kurt

Answer:

C

Step-by-step explanation:

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Exponential: Increases by a constant percent

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A 6-foot-wide hallway is painted as shown, using equal amounts of white and black paint.
Degger [83]

we know that

The hallway is painted using equal amounts of white and black paint

so

To know the amount of white paint------> calculate the area of white paint

A=5x*6=30x\ ft^{2}

To know the amount of black paint------> calculate the area of black paint

A=(x+1)*4*6=(24+24x)\ ft^{2}

equate the areas

30x=(24+24x)\\30x-24x=24\\6x=24\\x=4\ ft

<u>Find the length of the hallway</u>

5x+(4x+4)=9x+4=9*4+4=40\ ft

therefore

<u>the answer part a) is</u>

The hallway is 40\ ft long

<u>Part b) </u>Can this same hallway be painted with the same pattern, but using twice as much black paint as white paint?

we know that

the amount of white paint is 30x\ ft^{2}

if the black paint is twice that the white paint

then

amount of black paint is 2*30x=60x\ ft^{2}

amount of black paint with the same pattern is (24+24x)\ ft^{2}

equate

(24+24x)\ ft^{2}=(60x)\ ft^{2}

solve for the new value of x

24x+24=60x\\ 60x-24x=24\\ x=24/36\\x= 2/3\ ft

<u>Find the new length of the hallway</u>

5x+(4x+4)=9x+4=9*(2/3)+4=10\ ft

therefore

<u>the answer is</u>

Yes, the same hallway can be painted with the same pattern, using twice as much black paint as white paint, but the hallway decreases in length

5 0
4 years ago
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