2 years ago

Which of these is an example of software?

Mathematics

1 answer:

MaRussiya [10]2 years ago

6 0

A) windows, I learned this in a tech class I took

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What value for C will make the expression a perfect square trinomial x2-7x+c

Tom [10]

Answer:

The value of c is 12.25

Step-by-step explanation:

we know that

A perfect square trinomial is of the form

$(x-a)^{2}=x^{2}-2ax+a^{2}$

In this problem we have

$x^{2}-7x+c$

equate the equations

$x^{2}-7x+c=x^{2}-2ax+a^{2}$

we have

the following equations

$-7x=-2ax$ -----> equation A

and

$c=a^{2}$ -----> equation B

<u>Solve the equation A</u>

$-7x=-2ax$

$7=2a$

$a=3.5$

<u>Solve the equation B</u>

$c=a^{2}$

$c=3.5^{2}=12.25$

therefore

$(x-3.5)^{2}=x^{2}-7x+12.25$

The value of c is 12.25

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2 years ago

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Please help me with number 2. I already have number 4. And leave a description on how to do it! Thank you!

Aneli [31]

Since your probably solving for W, isolate W by adding the -3n to both sides and get W=5n now use a calculator and multiply 5 and Pi. To Get 15.7.

I used N for pi since I don’t have that symbol

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3 years ago

A triangle had two sides of lengths 10 and 14

BartSMP [9]

Answer:

Isosceles or scalene

Isosceles has 2 sides that are the same value

scalene is where none of the sides are equal

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Answer: Im very sure the answer is

Step-by-step explanation:

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jeka94

Answer:

please see photo attached for detailed analysis.

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