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Nikolay [14]
3 years ago
15

Can someone please explain how they got this answer because the entire lesson they haven’t shown me how to graph these

Mathematics
1 answer:
I am Lyosha [343]3 years ago
5 0

Answer:

Please check explanations

Step-by-step explanation:

Here, we have three types of equations and three plotted graphs

we have a quadratic equation

an exponential equation

and a linear equation

For a quadratic equation, we usually have a parabola

The first equation is quadratic and as such the first graph that is parabolic belongs to it

For an exponential equation, we usually have a graph that rises or falls before becoming flattened

The second equation represents an exponential equation so the second graph is for it

Lastly, we have a linear equation

A linear equation usually has a straight line graph

Thus, as we can see, the third graph represents the linear equation

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The twenty-six coins in my pocket are all dollar coins and quarters, and they add up to seventeen dollars in value. How many dol
Law Incorporation [45]

Currency such as dollars can come in various forms such as dimes, quarters, pennies, and nickels.

The number of quarter coins is 12 and the number of dollar coins is 14 coins.

Let's represent:

The number of 1 dollar coin = d

The number of 1 quarter coin = q

The twenty-six coins in my pocket are all dollar coins and quarters. The algebraic equation for this statement above is =

d + q = 26 ........ Equation 1

Making d the subject of the formula

d = 26 - q

1 dollar coin = $1

1 quarter = $0.25

The value of the dollar and nickel coins is seventeen dollars. The algebraic expression for this statement is :

$1 x d + $0.25 x q = 17

d + 0.25q = 17.................Equation 2

Substitute 26 - q for d in Equation 2

26 - q + 0.25q = 17

Collecting like terms

26 - 17 = q - 0.25q

9 = 0.75q

Divide both sides by 0.75

9/0.75 = 0.75q/0.75

q = 12 coins

Solving for number of dollar coins

d = 26 - q

q = 12

d = 26 - 12

d = 14 coins

Therefore, the number of quarter coins is 12 and the number of dollar coins is 14 coins.

To learn more, visit the link below:

brainly.com/question/22799498

7 0
2 years ago
Which of the expressions are equivalent to the one below? (14+4)/6
Rufina [12.5K]

Answer:

(A)

Step-by-step explanation:

This sign -  / Is the same as this sign - ÷

14+4 = 4+14

This is why (4+14)÷6 = (14+4)/6

Hope this Helps!!! :)

Let me know if this answer was perfect in the comments or if I should change anything! :)

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Answer:

-7x+14y-35

Step-by-step explanation:

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Eric paints 8 rooms in 3 days for $600.
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tino4ka555 [31]

ok thank you so much for the info

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