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STALIN [3.7K]
3 years ago
13

Mrs. Sing invests $12,876 for her business at an annual interest rate of 7 percent for 3 years. Which number will Mrs. Sing subs

titute for r in the simple interest formula? I = p r t 0.007 0.07 0.7 7
Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:b 0.07

Step-by-step explanation:

Because I said so

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What is the volume of this sphere
ruslelena [56]

Answer:

3052.08 m³

Step-by-step explanation:

\boxed{volume \: of \: sphere =  \frac{4}{3}\pi {r}^{3}  }

Given that the radius is 9m, r=9.

Volume of sphere

=  \frac{4}{3} (3.14)(9^{3} )

= 3052.08 m³

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3 years ago
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What is the measure in degree of an angel that represents 50/350 of a circle ​
lawyer [7]

Answer:

do you mean 50/360? if 50/360 it is 50 degrees

if 50/350 it is about 50/350*360 = 51.429 degrees

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4 years ago
Help me please quick its a test
True [87]

Answer:

When we think of World War I, images of the bloody, muddy Western Front are generally what come to mind. Scenes of frightened young men standing in knee-deep mud, awaiting the call to go "over the top", facing machine guns, barbed wire, mortars, bayonets, hand-to-hand battles, and more. We also think of the frustrations of all involved: the seemingly simple goal, the incomprehensible difficulty of just moving forward, and the staggering numbers of men killed. The stalemate on the Western Front lasted for four years, forcing the advancement of new technologies, bleeding the resources of the belligerent nations, and destroying the surrounding countryside. I've gathered photographs of the Great War from dozens of collections, some digitized for the first time, to try to tell the story of the conflict, those caught up in it, and how much it affected the world. This entry is part 2 of a 10-part series on World War I. This installment focuses on Early Years on the front, part II will focus more on the final year of trench warfare.

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Step-by-step explanation:

4 0
3 years ago
What is the sum of the interior angles of a regular polygon with 13 sides
Leviafan [203]

Answer:

Regular Polygons

Sides - Name - Interior Angles

13 - Triskaidecagon - 152.31°

14 - Tetrakaidecagon. - 154.29°

15 - Pendedecagon. - 156.00°

16 - Hexdecagon - 157.50°

I added some more incase u need it....

Hope it helped u if yes mark me BRAINLIEST I!

Tysm!

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3 years ago
Solve the following equation by completing the square. 12x^2 - 48x = -39​
daser333 [38]

Answer:

\large\boxed{\boxed{x = \begin{cases} \frac{ \sqrt{3} }{2}  + 2 \\     - \frac{ \sqrt{3} }{2}  + 2 \end{cases}}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • quadratic equation
  • PEMDAS
<h3>let's solve:</h3>
  1. \sf divide \: both \: sides \: by \: 12 :  \\  \sf  {x}^{2}  - 4x =  -  \frac{13}{4}
  2. \sf \: add  \: { -  2}^{2}  \: to \: both  \: sides :  \\  \sf  { {x}^{2} } - 4x + ( -  {2}^{2} ) =  \frac{13}{4}  + (  { - 2}^{2} ) \\  {x}^{2}  - 4x  + 4 =  \frac{13}{4}  + 4
  3. \sf simplify \: addition :  \\  \sf  { {x}^{2} } - 4x + 4 =  \frac{3}{4}
  4. \sf use \:  {a}^{2}  - 2ab +  {b}^{2}  = (a - b {)}^{2}  :  \\  \sf (x - 2 {)}^{2}  =  \frac{3}{4}
  5. \sf squre \: root \: both \: sides :  \\  \sf  \sqrt{(x - 2 {)}^{2} }  =  \pm \sqrt{ \frac{3}{4} }  \\ \begin{cases} x  - 2 =  \frac{ \sqrt{3} }{2}  \\x - 2 =  -  \frac{ \sqrt{3} }{2}  \end{cases}
  6. \sf add  \: 2 \: to \: both \: sides :  \\  \sf  \begin{cases}x =  \frac{ \sqrt{3} }{2}  + 2 \\  x =   - \frac{ \sqrt{3} }{2}  + 2 \end{cases} \\  \therefore \: x =  \begin{cases} \frac{ \sqrt{3} }{2}  + 2 \\     - \frac{ \sqrt{3} }{2}  + 2 \end{cases}
7 0
3 years ago
Read 2 more answers
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