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rusak2 [61]
2 years ago
15

Please help with these

Mathematics
1 answer:
oee [108]2 years ago
3 0

Answer:

A) √29 = x   B)  x = √41.8   C) √109 = x    D) x = √489.24

Step-by-step explanation:

A) 2² + 5² = x²

    4 + 25 = x²

          29 = x²

        √29 = x

B) 3.6² + x² = 7.4²

 12.96 + x² = 54.76

-12.96          - 12.96

              x² = 41.8

              x = √41.8

C) 3² + 10² = x²

    9 + 100 = x²

           109 = x²

          √109 = x

D) 7² + x² = 23.2²

    49 + x² = 538.24

    -49           -49  

            x² = 489.24

            x = √489.24

If these answers are correct, please make me Brainliest!

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8 0
3 years ago
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17. Critique Reasoning Lisa used a number line to model 2(3). Does her number line make sense? Explain why or why not. 8-7-6-5-4
timama [110]

Reasoning Criticism Lisa modeled 2 with a number line (3). Her logical number line is -6.

<h3>What is meant by number line?</h3>
  • A number line is a graphical representation of numbers on a straight line. A number line has numbers that are sequentially placed at equal distances along its length.
  • It can be extended in any direction indefinitely and is usually represented horizontally. A number line is a horizontal line with mathematical increments spaced evenly.
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Therefore, Reasoning Criticism Lisa modeled 2 with a number line (3). Her logical number line is -6.

To learn more about number line, refer to:

brainly.com/question/24644930

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8 0
1 year ago
What two integers is 70\etween?<br> O 7 and 8<br> O 8 and 9<br> O 9 and 10<br> O 35 and 36
Genrish500 [490]

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D

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2 years ago
Which number is equal to 15 a)0.015 b)1.5 c)150/100 d)3/20
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Step-by-step explanation:

5 0
3 years ago
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PLZ HELP!!
ludmilkaskok [199]

9514 1404 393

Answer:

  y = -3x^2 -9x +30

Step-by-step explanation:

When a polynomial has a zero at x=p, it has a factor of (x -p). The factors of your quadratic are ...

  f(x) = (x +5)(x -2)

At the point x=3, the value of this product is ...

  f(3) = (3 +5)(3 -2) = (8)(1) = 8

In order for that value to be -24, it needs to be multiplied by a scale factor of -3. The quadratic you want is ...

  y = -3(x +5)(x -2)

  y = -3x^2 -9x +30 . . . . . standard form

3 0
3 years ago
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