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3 years ago

Helpppppppppp meeeeeeeeeee plzzzzzzzzzz

Mathematics

2 answers:

Brrunno [24]3 years ago

4 0

8(2)+10
16+10

Answer is 26

Lady_Fox [76]3 years ago

3 0

The answer is 26 i think

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How do you find the radius if you know the area of a circle?

vladimir1956 [14]

$a = \pi \: {r}^{2}$

u take ur known variables and fill them in, pi will be filled in as 3.14

Example:

$153.86 = 3.14 {r}^{2}$

Then divide both sides by 3.14, after that it should be (number) =r². since it's squared you have to find to square root of both.

Example:

$\sqrt{49} = \sqrt{ {r}^{2} } \\ 7 = r$

therefore in this example the radius is 7

6 0

3 years ago

The radius of a sphere is 7 meters what is the circle's area

Pie

★ Given :

$\begin{lgathered}\bullet\:\:\textsf{Radius of circle = \textbf{7 meter}}\end{lgathered}$

$\rule{130}1$

★ Digram :

$\setlength{\unitlength}{1mm}\begin{picture}(50,55)\thicklines\qbezier(25.000,10.000)(33.284,10.000)(39.142,15.858)\qbezier(39.142,15.858)(45.000,21.716)(45.000,30.000)\qbezier(45.000,30.000)(45.000,38.284)(39.142,44.142)\qbezier(39.142,44.142)(33.284,50.000)(25.000,50.000)\qbezier(25.000,50.000)(16.716,50.000)(10.858,44.142)\qbezier(10.858,44.142)( 5.000,38.284)( 5.000,30.000)\qbezier( 5.000,30.000)( 5.000,21.716)(10.858,15.858)\qbezier(10.858,15.858)(16.716,10.000)(25.000,10.000)\put(25,30){\line(5,0){20}}\put(25,30){\circle*{1}}\put(29,26){\sf\large{7 m}}\end{picture}$

$\rule{130}1$

★ Solution :

☯ $\underline{\boldsymbol{According\: to \:the\: Question\:now :}}$

$:\implies\sf Area\:of\:circle = \pi r^2 \\\\\\:\implies\sf Area\:of\:circle = \dfrac{22}{\cancel{7}} \times \cancel{7} \times 7\\\\\\:\implies\sf Area\:of\:circle = 22 \times 7\\\\\\:\implies\sf Area\:of\:circle = 154 m^{2}$

⠀

$\therefore\:\underline{\textsf{Area of circle is \textbf{154}} \:\sf{m^2}}.$

$\rule{170}{2}$

7 0

3 years ago

Please help I need helllpppp

Naily [24]

Answer: Use photo math

Step-by-step explanation: get the free app, take a picture of the problem. it gives u the answer and the step by step explanation

6 0

4 years ago

A chemist is using 358 milliliters of a solution of acid and water. If 13.5% of the solution is acid, how many milliliters of ac

Xelga [282]

Answer:

48 milliliters

Step-by-step explanation:

13.5% of 358 is 48

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3 years ago

Complete each proportion by solving the value of N

sveticcg [70]

Answer: I can help you with this equation over messages if you would like, I cannot input my answer on this page for some reason like I usually could.

Step-by-step explanation:

7 0

3 years ago