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Sloan [31]
3 years ago
14

Please need help, Will give brainiest!!!!

Mathematics
1 answer:
timurjin [86]3 years ago
6 0
I'd say its D but im not quite sure, its what makes most sense to me.
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A BluRay disc normally costs $22. This week it is on sale for 25% off the original price. How much money is discounted from the
Rina8888 [55]

Answer:

$7.33

Step-by-step explanation:

22=3/4x

22/.75=22*4/3=29.3333333

$29.33-$22=$7.33

8 0
3 years ago
Write each product in standard form. (y+ 9)(y+ 9)
Alla [95]

Answer:

y² + 18y + 81

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<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Expand by FOIL (First Outside Inside Last)

Step-by-step explanation:

<u>Step 1: Define</u>

(y + 9)(y + 9)

<u>Step 2: Expand</u>

  1. FOIL:                                        y² + 9y + 9y + 81
  2. Combine like terms:               y² + 18y + 81
3 0
2 years ago
What is the surface area of the equilateral triangular prism? A) 51 cm2 B) 56 cm2 C) 62 cm2 D) 67 cm2
ELEN [110]
You have to give some info about the prism
3 0
3 years ago
Read 2 more answers
HELPPP !!!
Masja [62]
I just realized I forgot a whole unit we did this year, but a(n)=5n-12
is the explicit form if that helps at all
7 0
3 years ago
The value of c is equal to _____.
DENIUS [597]

For this case we have that by definition, the Pythagorean theorem states that:

c = \sqrt {a ^ 2 + b ^ 2}

Where:

a, b: Are the legs

c: It is the hypotenuse

According to the figure we have to:

a = 20\\b = 21

Substituting in the formula we have:

c = \sqrt {(20) ^ 2 + (21) ^ 2}\\c = \sqrt {400 + 441}\\c = \sqrt {841}\\c = 29

Answer:

Option D

8 0
3 years ago
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