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lutik1710 [3]
3 years ago
9

For geometry:( please help, will give brainist

Mathematics
1 answer:
Aleks [24]3 years ago
8 0

Answer:

6.7

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Trigonometry</u>

  • [Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Identify Variables</u>

Leg <em>a</em> = <em>x</em>

Leg <em>b</em> = 2

Hypotenuse <em>c</em> = 7

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute [PT]:                    x² + 2² = 7²
  2. Isolate <em>x </em>term:                      x² = 7² - 2²
  3. Exponents:                          x² = 49 - 4
  4. Subtract:                              x² = 45
  5. Isolate <em>x</em>:                              x = 3√5
  6. Evaluate:                              x = 6.7082
  7. Round:                                 x ≈ 6.7
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Elza [17]

Answer:

no solution

Step-by-step explanation:

heres why:

Let's solve your equation step-by-step.

4x−9(x+1)=20−5x

Step 1: Simplify both sides of the equation.

4x−9(x+1)=20−5x

4x+(−9)(x)+(−9)(1)=20+−5x(Distribute)

4x+−9x+−9=20+−5x

(4x+−9x)+(−9)=−5x+20(Combine Like Terms)

−5x+−9=−5x+20

−5x−9=−5x+20

Step 2: Add 5x to both sides.

−5x−9+5x=−5x+20+5x

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Step 3: Add 9 to both sides.

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4 0
3 years ago
Can someone help me with this?
KATRIN_1 [288]

Answer:

8

Step-by-step explanation:

This problem uses the pythagorean theorem. 15 squared plus 8 squared equals 17 squared.

6 0
3 years ago
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velikii [3]

Answer;

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Step-by-step explanation:

80x2+92x−84=0

Use quadratic formula

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7 0
3 years ago
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motikmotik

Step-by-step explanation:

2) a= -3/8 and b= -5/3

a×b= b×a

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11. 11. 11. 11

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121. 121

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2 years ago
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Vlada [557]
Its 18 because I know .
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3 years ago
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