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Volgvan
3 years ago
10

PLEASE HELP MEEE

Mathematics
1 answer:
STALIN [3.7K]3 years ago
4 0
If there are 16 ounces in a pound, and 8 ounces costs $8, The best answer would be D. $16 per pound
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1) Find the missing side. Give your<br> answer in simplest radical form.
gladu [14]

Answer:

x = 4√5

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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Trigonometry</u>

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

  • a is a leg
  • b is another leg
  • c is the hypotenuse<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

Leg <em>a</em> = 8

Leg <em>b</em> = 4

Hypotenuse <em>c</em> = <em>x</em>

<em />

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

  1. Substitute in variables [Pythagorean Theorem]:                                            8² + 4² = x²
  2. Evaluate exponents:                                                                                         64 + 16 = x²
  3. Add:                                                                                                                   80 = x²
  4. [Equality Property] Square root both sides:                                                    √80 = x
  5. Rewrite:                                                                                                             x = √80
  6. Simplify:                                                                                                             x = 4√5
3 0
2 years ago
Which of the following equation have exactly one solution?
Archy [21]

Answer:

A, B, C all have one solution.

Step-by-step explanation:

1) Each equation in this question has one variable (x). This means that only one solution will be there.

2) Solve for x, you can cross out option D. When you subtract 52x from both sides, you're left with 52 = -78

Which is not true

3) Option A, if solved x = -65/68

4) Option B, x = 13/2

5) Option C, x = 5

All except D, have one solution, I don't know if it's a multiple choice answer but this is how I can help.

8 0
3 years ago
Michael ran 3 miles in 24 minutes. What is his average running speed in miles per hour?
givi [52]

Answer:

7.5 miles / hour

Step-by-step explanation:

See the step-by-step solution in the picture attached below.

I hope this answer will help you. Have a nice day !

7 0
3 years ago
Read 2 more answers
How to solve <br> -9x-4-8+7x=10
inna [77]

Answer:

x=-11

Step-by-step explanation:

-9x-4-8+7x=10

-2x-12=10

   +12 +12

-2x=22

-2x/-2=22/-2

x=-11

8 0
3 years ago
Read 2 more answers
Describe the one basic move you need to change the equation
bixtya [17]

Answer:

Step-by-step explanation: 2x+17=36 ⇒ 2x= -17+36 ⇒ x=8.5+18

so your answer is E

8 0
3 years ago
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