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Arte-miy333 [17]
3 years ago
12

What is the value of the function y=4x-19 when x=-2.3? y=_____?

Mathematics
1 answer:
IRINA_888 [86]3 years ago
7 0
y=4x-19\\\\put\ the\ value\ of\ x=-2.3\ to\ the\ equation:\\\\y=4(-2.3)-19=-9.2-19=\boxed{-28.2}
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Pleaseee answer asap worth 17 pts
bija089 [108]
Speed=distance/time
average speed=(total distance)/(total time)

total distance=203+243=446
total time=3.5+4.5=8

average speed=(446)/(8)=55.75


answer is A
7 0
3 years ago
Help me with this math question please I'm giving away brainliests​
DedPeter [7]

Answer:

I believe this is neither a direct or inverse relationship.

Step-by-step explanation:

8 0
3 years ago
What is the solution to the proportion?<br> 5/x = 2/16
mixas84 [53]

Answer:

I believe the answer is X=40

Step-by-step explanation:

cross multiply 5*16 = X * 2

Multiply 5*16

80= X*2

Add '-2x' to each side of the equation

80 + -2x = 2x + -2x

Combine like terms

80 + -2x = 0

Add '-80' to each side of the equation.

80 + -80 + -2x = 0 + -80

Combine like terms: 80 + -80 = 0

0 + -2x = 0 + -80

-2x = 0 + -80

Combine like terms: 0 + -80 = -80

-2x = -80

Divide each side by '-2'.

x = 40

Simplifying

x = 40

Hope this helped :)

5 0
3 years ago
Need Help?
tangare [24]

Answer:  $499.00

<u>Step-by-step explanation:</u>

Wholesale cost + (20% of Wholesale cost) = Selling price

--> 1.20 × Wholesale cost = Selling price

Let x represent the Wholesale cost

 1.2x = 598.80

<u>÷1.2  </u>    <u>÷ 1.2      </u>

     x = 499.00

6 0
3 years ago
Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
34kurt

Answer:

  • Infinitely many solutions

Step-by-step explanation:

First, let's organize the equations of the lines into slope-intercept form.

  • x + 4y = 1
  • => 4y = -x + 1
  • => y = -x/4 + 1/4

And,

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  • => 8y = -2x + 2
  • => y = -2x/8 + 2/8
  • => y = -x/4 + 1/4

Since both the graphs are the same, the two equations have infinitely many solutions.

5 0
2 years ago
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