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3 years ago

Which cannot be the length of the remaining side?

Mathematics

2 answers:

Nostrana [21]3 years ago

8 0

A, the length of the two smallest sides of a triangle added together must always equal a length longer than the longest side

agasfer [191]3 years ago

6 0

A because in order for it to be a triangle, the sum of the two smallest side lengths has to be greater than the longest side length

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A rectangular parcel of land has an area of 3,000 ft2. A diagonal between opposite corners is measured to be 10 ft longer than o

Kazeer [188]

Answer:

40 ft × 75 ft

Step-by-step explanation:

Let x be the one side ( in feet ) of the rectangular parcel,

So, the diagonal between opposite corners = ( x + 10 ) feet,

Let y be the other side of the rectangle ( adjacent to side x ),

The area of the rectangle,

A = x × y,

According to the question,

A = 3000 square ft,

$\implies xy = 3000\implies y=\frac{3000}{x}$

∵ In a rectangle,

$D^2=a^2+b^2$

Where, a and b are the adjacent side of the rectangle and D is the diagonal,

$(x+10)^2 = x^2 + y^2$

$(x+10)^2 = x^2 + \frac{9000000}{x^2}$

$x^2(x+10)^2 = x^4 + 9000000$

$x^2(x^2+100+20x) = x^4 + 9000000$

$x^4+100x^2 + 20x^3 = x^4 + 9000000$

$20x^3 + 100x^2 - 9000000=0$

$x^3 + 5x^2 - 450000 = 0$

By graphing the equation,

We found that,

The only real zeros of the equation is at x = 75,

Hence, the one side of the rectangle = 75 ft,

And, second side = $\frac{3000}{75}$ = 40 ft

Hence, the dimension of the land is 40 ft × 75 ft

3 0

2 years ago

Read 2 more answers

Which parent function is f(x) = |xl?

soldier1979 [14.2K]

Answer:

The parent function is f(x) = x

Step-by-step explanation:

This parent function represents all the positive and negative values for x and y.

The function f(x) = |x| represents all the positive and negative values for x and only the positive values for y.

If this answer is correct, please make me Brainliest!

6 0

3 years ago

33% of what number is 1.45

Luba_88 [7]

Approximatley 4.39. If thought of like .33X=1.45, then you just divide 1.45 by .33

3 0

3 years ago

Read 2 more answers

- 3/4 × 2/5 = <br>thats what I asked for<br>

Neporo4naja [7]

Answer:

-0.3

Step-by-step explanation:

i don't really have an explanation i just know

4 0

3 years ago

Which angle is an acute angle?

Aleks [24]

Answer:

<CPB

Step-by-step explanation:

Because <APE= right angle

<APC= Obtuse angle

<CPE= Obtuse Angle.

Also, <CPB because its the only angle below 90 degrees and an acute angle must be below 90 degrees.

8 0

1 year ago