3 years ago

Please help me I'm really stuck lol. I'll give the first correct answer Brainliest!

Mathematics

1 answer:

mylen [45]3 years ago

7 0

used desmos graphing calculator I think x=-1.6 x=1/3

You try to find zeros on systems of equations right been a while for me

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mixer [17]

Answer:

$\frac{5+-\sqrt{53} }{2}$

Step-by-step explanation:

in the equation given these are the values:

a=1 b= -5 c= -7

if we plug this in the quadratic formula $\frac{-(-5)+-\sqrt{(-5)^2-4(1)(-7)} }{2(1)}$

this is simplified to $\frac{5+-\sqrt{53} }{2}$

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3 years ago

Shalina uses the expression 3x to determine the cost of x notebooks. What is the cost of 24 notebooks?

PIT_PIT [208]

Answer:

$72

Step-by-step explanation:

Let's use substitution to identify the cost of 24 notebooks.

The equation is represented as:

$3x = ?$

Substitute 24 into x:

$3(24) = ?$

Solve:

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2 years ago

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Mekhanik [1.2K]

Answer:

11 17/21

Step-by-step explanation:

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meriva

Answer:

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3 years ago

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Natali [406]

Answer:

7.) Line, point

8.) Line

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