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Lera25 [3.4K]
3 years ago
6

Please resolve this is for today

Mathematics
1 answer:
Fynjy0 [20]3 years ago
5 0

Answer:

A Square plus B square equals

Step-by-step explanation:

T

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How many real roots are there in x^2+bx-1=0​
kotegsom [21]

In order to see how many real roots it has you have to see what the Δ is

So if Δ>0 then there are 2 real roots

If Δ=0 there is 1 real root

If Δ<0 no real root

And we know that:

Δ=b^2-4ac

So in the equation: Δ=b^2+4 and b^2 is always a number greater than or equal to 0 so when you add 4 to it, it is always greater than 0

So it has 2 real roots

7 0
3 years ago
Please help ASAP!!!!!
vaieri [72.5K]

Answer:

its b

Step-by-step explanation:

8 0
3 years ago
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Which of the following is a numerical expression
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What are the following?

6 0
3 years ago
What is the perimeter of the trapezoid?<br> 10m<br> 8m<br> 10m<br> 18m
Gre4nikov [31]

Answer:

  46 m

Step-by-step explanation:

The perimeter of any figure is the sum of the lengths of its sides.

  8m +10m +10m +18m = 46 m

The perimeter of the figure is 46 meters.

4 0
2 years ago
Identify the independent and dependent quantities from the function’s verbal description. What is the independent quantity, and
ad-work [718]

Question:

What is the independent quantity, and which variable should represent it?

Answer:

They're independent of everything else. The dependent variable (sometimes known as the responding variable) is what is being studied and measured in the experiment. It's what changes as a result of the changes to the independent variable. An example of a dependent variable is how tall you are at different ages.

Explanation:

The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment. The dependent variable is the one that depends on the value of some other number. ... Another way to put it is the dependent variable is the output value and the independent variable is the input value. So for y=x+3, when you input x=2, the output is y = 5. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist. Independent variable – the variable that is altered during a scientific experiment. Dependent variable – the variable being tested or measured during a scientific experiment. Controlled variable – a variable that is kept the same during a scientific experiment.

Note:

Sorry i'm 5 days Late, But i hope this clears up any confusion for anyone!

5 0
3 years ago
Read 2 more answers
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