3 years ago

What is the radius of this circle if the circumference is 18x cm? C-18x cm

Mathematics

2 answers:

Nostrana [21]3 years ago

4 0

Answer:9x

Step-by-step explanation:

Arlecino [84]3 years ago

3 0

Answer:

Step-by-step explanation:

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Rocco spent 20% of his savings on clothes. He brought $50 clothes. How much did he have in the beginning

Anna71 [15]

Howdy,

20% is also 1/5 in fraction form, which tells us he spent 1/5 of his money on clothes:

So to solve, we have to multiply 50 by 5:

50 x 5 = 250

Rocco's original savings was $250

Hope this helps!

8 0

3 years ago

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PolarNik [594]

50 km/h = 4 hours
60 km/h = x hours

50x = 60×4

50x = 240

x = 4.8 hours

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2 years ago

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Which of the following is equivalent to x^-1/2 1) -1/2x 2) -√x 3) 1/√x 4) -1/2x

irina [24]

Answer:

Option (3) is correct.

Step-by-step explanation:

We need to find the expression that is equivalent to $x^{-1/2}$ .

The property is : $x^{-a}=\dfrac{1}{x^a}$

Here, a = 1/2

So,

$x^{-1/2}=\dfrac{1}{x^{1/2}}$

We know that, $x^{1/2}=\sqrt{x}$

$\dfrac{1}{x^{1/2}}=\dfrac{1}{\sqrt{x} }$

So, $x^{-1/2}$ is equivalent to $\dfrac{1}{\sqrt{x} }$

Hence, the correct option is (3).

3 0

3 years ago

Is -1 a solution to 4x - 3 < 5? (look at the picture)

inessss [21]

Answer:

Yes

Step-by-step explanation:

Assuming that the question is asking for -1 to be plugged in as x

4(-1)-3≤5

-4-3≤5

-7≤5

5 0

2 years ago

Elijah and Jonathan play on the same soccer team. They have played 3 of their 15 games. They each create a model to represent x,

AlladinOne [14]

what are the optionsss??

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2 years ago