2 years ago

The perimeter of a rectangular field is 312 m.

Mathematics

1 answer:

ahrayia [7]2 years ago

7 0

Answer:

length = 194 (97+97)

Step-by-step explanation:

p= 312 width= 59

= 59×2-312

= 118 - 312

= 194

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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

Solve the equation A

$-7x=-2ax$

$7=2a$

$a=3.5$

Solve the equation B

$c=a^{2}$

$c=3.5^{2}=12.25$

therefore

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

The value of c is 12.25

7 0

3 years ago

Read 2 more answers

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storchak [24]

I am confused but ummm I think the answer is 1

3 0

3 years ago

Which of the following is an X-intercept of the function f(X)=X^3-5X^2-8X+48

Anton [14]

You have to searh the x values that make f(x) = 0

Factoring this equation is very difficult.

You can divide by x+3 and you will find that the equation can be factored as

(x+3)(x-4)^2

That means that x = -3 and x = 4 make f(x) = 0

Then the points are (-3,0) and (4,0).

6 0

3 years ago

Is this right?? 313.65 x 0.9 = 282.285x

yan [13]

Yes Your Answer Is In Fact 282.285 :)

5 0

3 years ago

What type of solutions does this equation have?

Oksi-84 [34.3K]

Answer:

one real solution

Step-by-step explanation:

square root of 0 is 0

8 0

3 years ago