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Sav [38]
3 years ago
8

Helpppppp I don’t understand

Mathematics
1 answer:
8090 [49]3 years ago
6 0
Supplementary: Angles that add up to 180 degrees.
This means that angle 1 and angle 2 add up to 180 degrees. You can put them into an algebraic problem like I have in this (the image I have added), and solve for what x is. That is the key to finding out what angle 1 equals!
Once you have found x you can plug it into the equation you have for angles 1 and 2 to find if they equal 180.
Hope this helps!

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Find a rational number halfway in between the two numbers. 1/3 and 3/10
Umnica [9.8K]

Answer:

39/60 is a rational number halfway b/w the given numbers.

Step-by-step explanation:

Add both of these numbers and then divide the result by 2.

(1/3+3/10)/2

=((30+9)/30)/2

=(39/30)*1/2

=39/60

3 0
3 years ago
A coin is tossed. The probability of getting tails is 1⁄2. What is the likelihood of getting tails?
Shkiper50 [21]

Answer:

50/50 chance

Step-by-step explanation:

7 0
4 years ago
What is the surface area of the cube?<br>A. 64 mm2<br>B. 192 mm2<br>C. 384 mm2<br>D. 512 mm2​
ivanzaharov [21]

Answer:

C. 384 mm2

Step-by-step explanation:

In order to find ONE side, you would multiply 8x8 (in this scenario at least).

You would then get this:

8mm x 8mm = 64mm2

But we're not done yet!

In order to find all six sides, you need to multiply the last number/area by six

You would then get:

64 x 6 sides = 384mm2

Hope this helps!

4 0
3 years ago
Simplify the following expression (-5x + 6x2) - (6x2 – 5x)
Nookie1986 [14]

Answer:

0

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

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

(-5x + 6x²) - (6x² - 5x)

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute negative:                                                    -5x + 6x² - 6x² + 5x
  2. [Subtraction] Combine like terms (x²):                                                             -5x + 5x
  3. [Addition] Combine like terms (x):                                                                   0
5 0
3 years ago
Read 2 more answers
A volleyball team plays 12 home matches out of 25 total matches. Write the ratio of home matches to away matches. Write your ans
Svetlanka [38]

Answer:

Step-by-step explanation:

Total number of home matches played by the volleyball team is 12

Total number of matches played by the volleyball team is 25. Since all the matches played is either home or away, number of away matches will be 25 - 12 = 13

the ratio of home matches to away matches will be number of home matches/ number if away matches. It becomes

12/13

3 0
3 years ago
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