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Pepsi [2]
3 years ago
5

Solve 9≥x+15. The solution is ___

Mathematics
2 answers:
joja [24]3 years ago
5 0

Answer:

x is equal to or less than -6

Step-by-step explanation:

9\geq x+15\\-x\geq 15-9\\-x\geq 6\\x\leq -6

Lana71 [14]3 years ago
4 0

Answer: 6

Step-by-step explanation:

15 - 9 = 6 to the quadratics x inequalities formula x b to the power of \int\limits^a_b {x} \, dx

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Which expression has a value that is equivalent to 5n+13 when n= -15
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Which expression has a value that is equivalent to 5n+13 when n=-15? n^2+13x 








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Pepsi [2]

Answer:

A. h(x)= -5.86x^2 + 23.37x + 34

Step-by-step explanation:

If the scientist uses the same amount of pesticide on the two farms then the x's of the functions are the same.

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Now, since

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h(x)= (-2.43x^2+10.37x+9)+(-3.43x^2+13x+25)

we add the coefficients of the  corresponding terms to get:

h(x)= (-2.43x^2-3.43x^2)+(10.37x+13x)+(9+25)

\boxed {h(x)=-5.86 x^2 + 23.37 x + 34.}

Which is choice A.

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