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Harlamova29_29 [7]
2 years ago
9

Help me please with this math question asap

Mathematics
1 answer:
steposvetlana [31]2 years ago
8 0

Answer:

5

Step-by-step explanation:

A function

a \times  {b}^{x}

where a is the initial value and b is the multiplicative rate of change.

In the function,

f(x) = 2 \times  {5}^{x}

5 is the value of b so

5 is the multipicative rate of change

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A waiter earns $128 for 6 hours
alekssr [168]

Answer:

$21.33

Step-by-step explanation:

If the waiter earns $128 for 6 hours, divide 128 by 6.

21.33...

8 0
2 years ago
The area of a rectangular parking lot is 7081 m²
Lubov Fominskaja [6]

Step-by-step explanation:

So the question is easy ....The thing that you need to do here is ...You should divide area by length....and you will get your answer....

  • Area of square = l²
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4 0
2 years ago
Andy is done with part of a construction, as shown below.
musickatia [10]

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Step-by-step explanation:

4 0
3 years ago
5x²+4x+3=0 solve for x​
juin [17]

Answer:

{ \underline{ \sf{x  \: is  \:  \: \{ \frac{ - 5 + i \sqrt{35} }{10} \} } \:  \: and \:  \:  \{ \frac{ - 5  - i \sqrt{35} }{10}  \}} }

Step-by-step explanation:

5 {x}^{2}  + 4x + 3 = 0

from quadratic formular:

{ \sf{x =  \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a} }}

general equation:

{ax}^{2}  +  bx + c = 0

a is 5, b is 4 and c is 3:

substitute in formular:

{ \sf{x =  \frac{ - 5± \sqrt{ {5}^{2} - (4 \times 5 \times 3) } }{(2 \times 5)} }} \\  \\ { \sf{x =  \frac{ - 5± \sqrt{ - 35} }{10} }}

but from complexes, <em>i</em><em>²</em><em> </em><em>=</em><em> </em><em>-</em><em>1</em>

{ \sf{x =  \frac{ - 5± \sqrt{35 {i}^{2} } }{10} }} \\  \\  = { \sf{x =   \frac{ - 5±i \sqrt{35} }{10} }}

6 0
3 years ago
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