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ryzh [129]
2 years ago
13

The answer of82.4 - 25​

Mathematics
1 answer:
Readme [11.4K]2 years ago
8 0

Answer:

57.4

Step-by-step explanation:

82.4 - 25 is too easy, a calculator can solve this.

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Use factoring to write an expression that is equivalent to 25b^16-64c^2
avanturin [10]
We can write this as the difference of squares:
(5b⁸+8c)(5b⁸-8c)

To write as the difference of squares, take the square root of each term first:
√25b¹⁶ = 5b⁸; √64c² = 8c

Now we write this as a sum in one binomial and a difference in the other:
(5b⁸+8c)(5b⁸-8c)
4 0
3 years ago
What is the eqivalent of (x-2)(x+4)?<br>Will get brianly thing!!!!!!!!
Xelga [282]

Answer:

Equivalent is

  • x^2+2x-8
  • 2x^2+4x-16

8 0
3 years ago
The weight of meteorite A is 5 times the weight of meteorite B. If the sum of their weights is 126 tons, find the weight of each
Sholpan [36]

Answer:

Step-by-step explanation:

if you divide 126 by 5, you get Meteorite B, 25.2, then minus that from 132, and you get Meteorite A, 106.8

To check, do 25.2 x 5 and you should get 132.

5 0
2 years ago
I’m soooo confused someone please helppppp!!
Ganezh [65]

Answer:

m>-5

Why? because the arrow shows -5 less then any number going right

Hope this helps




7 0
2 years ago
Evaluate each expression if a = 3 , b = 5 and c=1 b-c
Nezavi [6.7K]

Answer:

4

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

Step-by-step explanation:

<u>Step 1: Define</u>

a = 3, b = 5, c = 1

b - c

<u>Step 2: Evaluate</u>

  1. Substitute:                      5 - 1
  2. Subtract:                         4
7 0
2 years ago
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