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Dmitriy789 [7]
4 years ago
11

Number 76 nunber 77 number 78and 79 please

Mathematics
1 answer:
vredina [299]4 years ago
5 0

76) 10n^8

77) 35v^11

78) 2025/n^2

79) 4k^8

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A store purchased a plasma screen TV and marked it up 95% from the original cost of $876.08. A week later, the
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Answer:

95%-70%=15%

$876.08×15% =$131.412

3 0
3 years ago
Find the sum of 2/5 and 3/10
mash [69]
Answer: 7/10

Explanation:

Find the common denominator:

Since 2/5 and 3/10 has a common of denominator of ten, solve.

2/5 + 3/10 = 2/5 * 2/2 = 4/10 + 3/10 = 7/10

Therefore, the sum of 2/5 + 3/10 = 7/10
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3 years ago
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Write the equation of a circle in standard form for the following:
max2010maxim [7]
<h2><u>Circle Equations</u></h2>

<h3>Write the equation of a circle in standard form for the following:</h3><h3>x² − 14x + 49 + y² + 4y = 0</h3>

To write the general form of a circle into standard form, use the formula

<em>(x - h)² + (y - k)² = r²</em>

Where,

<u>(h, k)</u> is the center; and

<u>r</u> is the radius

To transform general form to standard form, group the terms that has the same variables. Replace 0 with the constant term.

  • x² - 14x + 49 + y² + 4y = 0
  • (x² - 14x) + (y² + 4y) = -49

Next step is to complete the square of each equation inside the parentheses.

  • (x² - 14x) + (y² + 4y) = -49
  • (x² - 14x - 49) + (y² + 4y + 2) = -49 - 49 + 2

Then factor each equation inside the parentheses.

  • (x² - 14x - 49) + (y² + 4y + 2) = -49 - 49 + 2
  • (x - 7)² + (y + 2)² = √2
  • (x - 7)² + (y + 2)² = 4

<u>Answer:</u>

  • The standard form of the circle is <u>(x - 7)² + (y + 2)² = 4</u>.

Wxndy~~

3 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPppppp
N76 [4]

Step-by-step explanation:

1. alternate exterior

2. alternate interior

3. consecutive interior

4. corresponding

5. no relationship

6. vertical

hope it helps.

5 0
3 years ago
Solve:<br> 2x - 45 = 7x - 9x - x
strojnjashka [21]

Answer:x = 9

Step-by-step explanation:

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4 years ago
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