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timofeeve [1]
3 years ago
10

Solve the question. I'm lowkey stuck on this ;-;

Mathematics
1 answer:
77julia77 [94]3 years ago
6 0

Answer:

x = -149/20

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

2(x + 469/20) = 32

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

  1. Distribute 2:                              2x + 469/10 = 32
  2. Isolate <em>x</em> term:                           2x = -149/10
  3. Isolate <em>x</em>:                                    x = -149/20

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitute:                    2(-149/20 + 469/20) = 32
  2. Add:                              2(16) = 32
  3. Multiply:                        32 = 32

Here we see that 32 does indeed equal 32. ∴ x = -149/20 is a solution of the equation.

And we have our final answer!

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Tobias sent a chain letter to his friends, asking them to forward the letter to more friends. The number of people who receive t
malfutka [58]

Answer:

  • P(t)=37\times (4)^{(t/9.1)}

Explanation:

The number of emails is multiplied by <em>4</em> every <em>9.1 weeks.</em>

Thus, since <em>Tobias initially sent the chain letter to 37 friends</em>, the number of letters will grow as per this geometric series:

Start:        37 letters

  • In 9.1 weeks: 37 × 4

  • In 2 × 9.1 weeks: 37 × (4)²

  • In 3 × 9.1 weeks: 37 × (4)³

As you see, the exponent is the number of weeks divided by 9.1

Thus, if your variable is the number of weeks, t, then the exponent is t/9.1

And the exponential function, P(t) will be:

   P(t)=37\times (4)^{(t/9.1)}

3 0
3 years ago
Can somebody help me
Vanyuwa [196]
It is 1a over bd and 8 over k
4 0
4 years ago
10) En un triángulo rectángulo ABC, B es un ángulo
Minchanka [31]

Answer:

140

Step-by-step explanation:

Primera tienes que sumar 23 y 17 despues tienes que buscar la differencia de 180 y 40.

4 0
3 years ago
Please help need assistance
SOVA2 [1]

Answer:

18

Step-by-step explanation:

Keep in mind that anything with a subscript of 0 always comes out as a 1

16(1)+2(2)²(4⁻¹)

= 16+8(4⁻¹)

=16 + 8(1/4)

=16+2

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Hope this helps! :)

7 0
3 years ago
(True or False) The set of ordered pairs {(6,4),(2,-5),(-2,4),(6,-4)} is a function
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Answer:

False

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The same function input (the first number in the pair) cannot have two different outputs (the second number in the pair).

(6, 4) 4 is one output.

(6, -4) -4 is another output.

6 0
3 years ago
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