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3 years ago

Help me with this- ILL GIVE BRANILEST

Mathematics

2 answers:

-BARSIC- [3]3 years ago

8 0

1) 12 ounces of water to one packet of flavouring
2) 5 = 607 = 84, 10 = 120, 12 =144 4) 23*12=276 ounces of water

gavmur [86]3 years ago

3 0

1) 12 ounces of water to one packet of flavoring

2) 5 = 60, 7 = 84, 10 = 120, 12 = 144

4) 23 x 12 = 276 ounces of water

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Factor the quadratic equation below to reveal the solutions. X^2+4x-21=-9

a_sh-v [17]

Answer:

x = 3 and x = -7

Step-by-step explanation:

The given quadratic equation is $x^2+4x-21=0$ . We need to find the solution of this equation.

If the equation is in the form of $ax^2+bx+c=0$ , then its solutions are given by :

$x=\dfrac{-b\pm \sqrt{b^2-4ac} }{2a}$

Here, a = 1, b = 4 and c = -21

Plugging all the values in the value of x, such that :

$x=\dfrac{-b+ \sqrt{b^2-4ac} }{2a},\dfrac{-b- \sqrt{b^2-4ac} }{2a}\\\\x=\dfrac{-4+ \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)},\dfrac{-4- \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)}\\\\x=3, -7$

So, the solutions of the quadratic equation are 3 and -7.

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3 years ago

A tire company produced a batch of 5 comma 900 tires that includes exactly 260 that are defective. a. If 4 tires are randomly se

Citrus2011 [14]

The answer is 12 I promise

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3 years ago

Which of the following graphs represents a function?

4vir4ik [10]

Answer: you didnt post graphs to look at

Step-by-step explanation:

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3 years ago

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Solve each equation. <br><br> d(d+3)-d(d-4)=9d-16

likoan [24]

Answer:

2d+3d-2d+4d= 9d-16

2d is cancelled

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3 years ago

Please help me solve this

GalinKa [24]

Complementary angles add up to 90 degrees.

Which means.. the equation is
8x-23+7x-7=90
Combine like terms you should get
15x-30=90
Add 30 on both sides
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Divide 15 x=8
Plug in 8 to (8x-23)
8(8)=64-23=41
m

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3 years ago