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2 years ago

PLEASE HELP!

Mathematics

2 answers:

NikAS [45]2 years ago

7 0

Answer: 2, 2/75

Step-by-step explanation:

777dan777 [17]2 years ago

4 0

Answer:

b i think

Step-by-step explanation:

hope i helped

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Which of the following are solutions to | x-1|= 5x + 2 ? Check all that apply.

agasfer [191]

By definition of absolute value, if $x-1\ge0$ , then $|x-1|=x-1$ , so

$|x-1|=5x+2\implies x-1=5x+2\implies4x=-3\implies x=-\dfrac34$

On the other hand, if $x-1$ , then $|x-1|=-(x-1)=1-x$ , and

$|x-1|=5x+2\implies1-x=5x+2\implies6x=-1\implies x=-\dfrac16$

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2 years ago

I will give brainliest

grandymaker [24]

Jsjs:))))))))))otay /:

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2 years ago

The circumference of a circle is 15n cm what is the area of the circle in terms of n

Mice21 [21]

Answer:

Area of circle is $\dfrac{225n^{2}}{4\pi} cm^{2}$

Step-by-step explanation:

Formula for circumference of circle is given as,

$C=2\pi r$

Given that C = 15 n cm,

Substituting the value,

$15n=2\pi r$

Solving above equation for r, divide both side by $2\pi$

$\dfrac{15n}{2\pi}=\dfrac{2\pi r}{2\pi}$

Simplifying,

$\dfrac{15n}{2\pi}=r$

Formula for area of circle is given as,

$A=\pi r^{2}$

Substituting the value of r,

$A=\pi \left(\dfrac{15n}{2\pi}\right)^{2}$

Squaring the parenthesis,

$A=\pi \left(\dfrac{225n^{2}}{4\pi^{2}}\right)$

Cancelling out the common term,

$A=\dfrac{225n^{2}}{4\pi}$

Therefore, area of circle in terms of n is $A=\dfrac{225n^{2}}{4\pi} cm^{2}$

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2 years ago

Marcel buys a raffle ticket. 499 other people also purchased a ticket. What is the likelihood that he will win (certain, unlikel

dezoksy [38]

Answer:

1/500

Step-by-step explanation:

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2 years ago

What is 65/23 as a decimal

Damm [24]

Answer: 2.8260869565217

Step-by-step explanation: Remember that a fraction is basically a division problem which is telling us to divide the numerator "top number" by the denominator "bottom number."

65/23 can also be written as 65 ÷ 23

65 ÷ 23 = 2.8260869565217

Therefore, 65/23 is equivalent to the decimal 2.8260869565217.

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2 years ago