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aleksandrvk [35]
3 years ago
14

Y=-2x+5if x=4 what is the answer​

Mathematics
2 answers:
Alona [7]3 years ago
8 0

Answer:

y=-3

Step-by-step explanation:

y=-2(4)+5

y=-8+5

y=-3

barxatty [35]3 years ago
5 0

Answer:

y=-3

Step-by-step explanation:

y=-2x+5

y=-2(4)+5=-8+5=-3

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13.92

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Step-by-step explanation:

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A box of mashed paragraphs flakes has a volume 220in. The box is 8 inches long and 11 inches tall. What is the width of the box
Taya2010 [7]

The width is 2.5 in. Volume = Length x Width x Height

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3 years ago
The landing restuarant order 200 flowers for mother day.the orderd carnation at 1.50$,Rose's at 5.75$and the daisies at 2.60$ ea
Vanyuwa [196]

Answer:

She ordered 80 carnations, 50 roses, and 70 daisies.

Step-by-step explanation:

Let x = number of carnations, y = number of roses, and z = number of daisies.  This problem gives us three equations.

 

First, remember that we multiply the price of each flower by the number bought then add up the subtotals, that gives the total amount paid.

Therefore,

1.50x + 5.75y + 2.60z = 589.50

 

Second, the sum of the numbers purchased is the total bought. Therefore,

x + y + z = 200

 

Finally, there are 20 fewer roses than daisies. Therefore,

y = z - 20

 

If you substitute z - 20 in for y in the first two equations, you can rewrite them so they only have x and z.

 

1.50x + 5.75(z - 20) + 2.60z = 589.50

1.50x + 5.75z - 115 + 2.60z = 589.50

1.50x + 8.35z = 704.50

 

x + (z - 20) + z = 200

x + 2z - 20 = 200

x + 2z = 220

 

If you solve the rewrite second equation for x, you get x = 220 - 2z.  Therefore, you can substitute 220 - 2z in for x in the rewritten first equation, and then solve for z.

 

1.50 (220 - 2z) + 8.35z = 704.50

330 - 3z + 8.35z = 704.50

330 + 5.35z = 704.50

5.35z = 374.50

z = 70

 

If you have z = 70, then x = 220 - 2(70) = 80 and y = 70 - 20 = 50.

 

She ordered 80 carnations, 50 roses, and 70 daisies.

*HOPE THIS HELPED!!! :D)

4 0
3 years ago
PLEASE HELP ASAP!!!
ZanzabumX [31]

Answer:

should be 2 excluding the start (origin)

Step-by-step explanation:

3 0
3 years ago
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