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ddd [48]
3 years ago
5

Want points answer me question

Mathematics
1 answer:
WITCHER [35]3 years ago
4 0

Answer:

$110

Step-by-step explanation:

1. The total cost:

<em>(3 * 65) + (2 * 70) + (1 * 55)</em> -> cost of dresses + jeans + earrings

Total: 195 + 140 + 55 = <em>390</em>.

2. Money leftover:

<em>500 - 390</em> = $110.

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A balloon has a circumference of 28 in use the circumference to approximate the surface area of the ballon to the nearest square
nikklg [1K]

The surface area of the balloon is 249 in².

<h3>What is the surface area of the balloon ?</h3>

A balloon has the shape of a sphere. The distance round the sphere is equal to the circumference of the sphere.

Circumference of the sphere = 2πr

Where:

  • r = radius
  • π = pi = 22 / 7

Radius - circumference / 2π

28 / ( 2 x 22/7) = 4.45 inches

Surface area of a sphere = 4πr²

4 x 22/7 x 4.45² = 249 in²

To learn more about the surface area of a sphere, please check: brainly.com/question/27267844

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5 0
1 year ago
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Dvinal [7]

Answer:

Step-by-step explanation:

6 0
2 years ago
Rewrite in logarithmic form 19^2 = 361
Aneli [31]

Answer:

  \log_{19}{361}=2

Step-by-step explanation:

We know that taking logarithms performs the transformation ...

  b^e=x\\\\e\cdot\log{b}=\log{x}\quad\text{take logs}\\\\e=\dfrac{\log{x}}{\log{b}}\quad\text{divide by $\log{b}$}\\\\\log_b{x}=e\quad\text{use the change of base formula}

Then for b=19, e=2, x=361, we have

  \boxed{\log_{19}{361}=2}

8 0
3 years ago
THIS IS THE FOURTH TIME I'VE ASKED PLEASE ANSWER<br> √(10 + 4 √(6))<br> not decimal form
nalin [4]

Answer:

\huge\boxed{\sqrt{10+4\sqrt6}=\sqrt6+2}

Step-by-step explanation:

\sqrt{10+4\sqrt6}=\sqrt{6+4+(2)(2)(\sqrt6)}=\sqrt{\underbrace{(\sqrt6)^2}_{=6}+(2)(2)(\sqrt6)+\underbrace{2^2}_{=4}}\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\=\sqrt{(\sqrt6+2)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|\sqrt6+2|=\sqrt6+2

5 0
3 years ago
Find the degree of the monomial.<br> 1/3x^5y
zloy xaker [14]

Answer:

6

Step-by-step explanation:

5 0
3 years ago
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