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3 years ago

Which expression is equivalent to x2 – 26x + 120?

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

7 0

Answer:

(x-20) (x-6)

Step-by-step explanation:

=>x^2-26x+120

=>x^2-20x-6x+120

=>x(x-20)-6(x-20)

=>(x-20)(x-6)

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Find the circumference of the circle with 1/4 Pi square centimetre square 2<br>

otez555 [7]

Answer:

The circumference of the circle is 6 cm (approximately).

Step-by-step explanation:

Given:

Area of the circle = 1/4π²

Now, to get the circumference of the circle we need the radius.

So, finding the radius by putting the formula of area:

Area = $\pi r^{2}$

$\frac{1}{4} \pi ^{2}$ = $\pi r^{2}$

dividing π by both sides:

$\frac{1}{4}\pi$ $=r^{2}$

using square root on both the sides:

$\frac{1}{2}\sqrt{\pi } = r$

So, the radius is $\frac{1}{2}\sqrt{\pi }$

Now, putting the formula of circumference:

$circumference=2\pi r$

= $2\pi\frac{1}{2} \sqrt{\pi}$

= $\pi \sqrt{\pi}$

putting the value of π =3.14

= $3.14\times\sqrt{3.14}$

= $3.14\times1.77$

= $5.56$

Circumference = 5.56 cm

Therefore, the circumference of the circle is 6 cm (approximately).

4 0

3 years ago

Each side of a square is increasing at a rate of 6cm/s. At what rate is the area of the square increasing when the area of the s

diamong [38]

Area of a square = length²
A = x²
16 = x²; x = 4
dA/dx = 2x cm²/s
dx/dt = 6 cm/s
Using chain rule:
dA/dt = dA/dx * dx/dt
dA/dt = 2x * 6
dA/dt = 12x
At x = 4,
dA/dt = 12(4) = 48 cm²/s

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4 years ago

I'll give brainliest to whoever answers the question correctly!!!!

poizon [28]

Answer:

C. Incomplete sentences

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

5,000 tens equals how many thousands

Brilliant_brown [7]

5,000 tens = (5,000 x 10)

To find out how many thousands are in it,
just divide:

(5,000 x 10) / (1,000) = (5 x 10) = 50 of them .

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3 years ago

Part C What conclusion can you draw from this? To determine whether they used the same number of tiles, set the two expressions

LUCKY_DIMON [66]

Answer:

We can conclude that someone used more tiles then the other because both equations are not equal.

Step-by-step explanation:

If you try to solve it both equations will not be shown as equal.

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3 years ago