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Inessa05 [86]
3 years ago
7

I need a linear equation.

Mathematics
1 answer:
dimaraw [331]3 years ago
7 0

Answer:

50

Step-by-step explanation:

Let x be the number of songs:

0.99x = 10 + 0.79x

0.2x = 10

x = 50

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#3 The sales tax on a $20 shirt was 9%.
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Answer:

$1.80

Step-by-step explanation:

20 x 0.09 = 1.8

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2 years ago
An exponential function is expressed in the form y=axb^x. The relation represents a growth when _______ and a decay when ______.
seropon [69]

Answer:

Growth when: b>1.

Decay when: 0<b<1.

Step-by-step explanation:

Any function in the form f(x)=a{\times}b^x , where a > 0, b > 0 and b not equal to 1 is called an exponential function with base b.

If 0 < b < 1 this is an example of an exponential decay.

The general shape of an exponential with b > 1 is an example of exponential growth.

Hence,

An exponential function is expressed in the form f(x)=a{\times}b^x,   The relation represents a growth when  b >1 and a decay when 0<b<1.

5 0
2 years ago
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grigory [225]
The simplest multicecullar organism is alga
7 0
3 years ago
I need some help 30 points for anyone
puteri [66]

Answer:

If she wants to face the food court, she has to turn through an angle of __225°__ anti-clockwise.

3 0
2 years ago
The first three terms of a geometric sequence are shown below.
san4es73 [151]
This is a geometric sequence of the form:

a(n)=(x+3)(-2x)^(n-1)  because each term is -2x times the previous term...so

a(8)=(x+3)(-128x^7)

a(8)=-128x^8-384x^7
4 0
3 years ago
Read 2 more answers
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