3 years ago

What are the characteristics of x^2-x+1

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

7 0

It is a quadratic equation, if it is equal to zero. It is not factor able.

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What value correctly fills in the blank so that the expressions are equivalent?<br> 18+45 =_x (2+5)

Bingel [31]

The answer would be 9 because 9x2 is 18 and 9x5 is 45.

6 0

3 years ago

Image attached below

sashaice [31]

Answer:

1) Expression

2) Equation

3) Equation

4) Expression

Step-by-step explanation:

An equation always contains an equal sign, so in this case, if it doesn't contain an equal sign, it's an expression.

For 2 and 3, you can see that there is an equal sign, but for 1 and 4, there is not.

Therefore, 1 and 4 are expressions and 2 and 3 are equations.

I hope this helped.

8 0

3 years ago

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A person operating a machine can mow 0.75 acres in ½ hour. What is the rate, in acres per hour, that the person can mow? Write y

Gekata [30.6K]

1.50 acres is the answer.

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3 years ago

Evaluate each expression.

Greeley [361]

Answer:

a 16

b30

Step-by-step explanation:

you said c is 5 so 11 +5 and you said b was 2 so 15 times 2 Is 30

8 0

3 years ago

-3.6,-5.4,-8.1,-12.15 arithmetic or geometric or neither.

Brums [2.3K]

Answer:

Geometric Sequence

Step-by-step explanation:

1. Check the difference.

The difference between the 1st and 2nd term

$( - 5.4) - ( - 3.6) = - 1.8$

The difference between the 2nd and 3rd term

$( - 8.1) - ( - 5.4) = - 2.7$

The difference is not the same. Therefore, it is not an arithmetic sequence.

2. Check the ratio

The ratio between the 1st and 2nd term

$( - 5.4) \div ( - 3.6) = 1.5$

The ratio between the 2nd and 3rd term

$( - 8.1) \div ( - 5.4) = 1.5$

The ratio is the same. Therefore, it is a geometric sequence.

8 0

3 years ago