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3 years ago

8

The price of gasoline is $3.15 the price when Ryan's mother start drawing was 4/7 of the current price what was the price of the

gasoline when Ryan's mother start driving

1 answer:

zlopas [31]3 years ago

5 0

Answer:

$3

Step-by-step explanation:

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What is a simpler form of <br> 5n(3n³−n²+8) ?

lukranit [14]

15n power 4 - 5n power 3 + 40n

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3 years ago

21 trillion in scientific notation?

kotykmax [81]

Answer:

$2.1 \times 10^{13}$

Step-by-step explanation:

21 trillion =

21,000,000,000,000 =

21 followed by 12 zeros =

$2.1 \times 10^{13}$

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3 years ago

Cannnn u helpp me ill be choosing brainliest

allochka39001 [22]

$1) y=-5^{-x}, y = x+5 ,
\\ \\ -5^{-x}=x+5
\\ \\ ln(-5^{-x})=ln(x+5)
\\ \\ ln(- \frac{1}{5^{x}} )=ln(x+5),

you cannot find ln of negative number, so it is going to be

 "0" solutions.
$

The graphs of these equations will not intersect.

$2) y = 4(1.2)^{x}, y = x+7
\\ \\ x+7= 4(1.2)^{x}

graphs have 2 intersects, so two solutions.$

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3 0

3 years ago

Mariela bought gas for her car. Gas costs $2.12 per gallon, and

Montano1993 [528]

Answer:

$49.82

Step-by-step explanation:

Since each gallon is $2.12 you would just do $2.12 times 23.5 which equals $49.82. So Mariela spent $49.82 on gas

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3 years ago

Read 2 more answers

I don’t know, someone help please.

NeTakaya

Answer:

Radius: 4

Center: (-5,4)

Step-by-step explanation:

To find the radius, you take the square root of what the equation is equal to (in this case that is 16)

To find the center, you set what is in the parenthesis equal to 0 so:

x+5=0 becomes x=-5

y-4=0 becomes y=4

Hope this helped!

3 0

3 years ago