3 years ago

What is the surface area of the sphere below?

Mathematics

2 answers:

evablogger [386]3 years ago

8 0

Answer:

area of sphere=5πr³=5×π×5²=125πunit²

trasher [3.6K]3 years ago

5 0

The answer is c I’m pretty sure

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The radioactive substance cesium-137 has a half-life of

statuscvo [17]

A(t)=A0*(1/2)^(t/30)
where t=elapsed years
A0=initial mass at t=0.

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2 years ago

The angle of a quadrilateral are A.P and the common difference is 10°. find the angles.

xxMikexx [17]

Step-by-step explanation:

So the Ap will be x,x+10,x+20,x+30

Sum of the angles of a quadrilateral is 360

x+x+10+x+20+x+30=360

4x+60=360

4x=300

x=75

So the angles are 75,85,95,105

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3 years ago

Solomon needs to justify the formula for the arc length of a sector. Which expression best completes this argument?The circumfer

Archy [21]

Answer:

$\frac{360}{n}$

Step-by-step explanation:

Given:

The above statements

Required

Complete the above statements

Considering the third statement in the question;

First, it should be noted that a circle is a full sector that measures 360 degrees

Assuming the circle is divided by a central angle of 180, the number of sectors formed will be;

$\frac{360}{180} = 2\ sectors$

Further assume the circle is divided by a central angle of 90, the number of sectors formed will be;

$\frac{360}{90} = 4\ sectors$

Similarly, if the circle is divided by a central angle of n, the number of sectors formed will be;

$\frac{360}{n}$

Hence, from the list of given options; $\frac{360}{n}$ fills the gap correctly

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3 years ago

Take Meenu’s present age to be n years

Otrada [13]

Answer:what’s the initial age

Step-by-step explanation:

6 0

3 years ago

Plz help i don't understand

gayaneshka [121]

How can i help you?
I would love to help you

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3 years ago