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fgiga [73]
2 years ago
8

Help me with this i don't know how to do it.

Mathematics
1 answer:
earnstyle [38]2 years ago
7 0

Answer: Ok let’s go

Step-by-step explanation:

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Bella has 40 coins, all nickles and quarters, worth $7.60. How many nickles and quarters does she have?
Anestetic [448]

Answer:

28 quarters and 12 nickles

Step-by-step explanation:

How many quarters goes into 7 dollars? 28, because there is 4 in each dollar.

How many nickles are in 60 cents? 12, because 5 times 12 is 60.

7 0
3 years ago
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Calculate the amount in an account after one year that starts with the principal listed below and pays the specified rate of int
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Step-by-step explanation:

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3 years ago
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Divide (12n^3+8n^2-6n)/2n^2
nexus9112 [7]
\frac{12n^{3} + 8n^{2} - 6n}{2n^{2}} = \frac{12n^{3}}{2n^{2}} + \frac{8n^{2}}{2n^{2}} - \frac{6n}{2n^{2}} = 6n + 4 - \frac{3}{n}
8 0
3 years ago
How do you find the minimum value of a quadratic function?
aniked [119]

The minimum value of a function is the place where the graph has a vertex at its lowest point.

There are two methods for determining the minimum value of a quadratic equation. Each of them can be useful in determining the minimum.

(1) By plotting graph

We can find the minimum value visually by graphing the equation and finding the minimum point on the graph. The y-value of the vertex of the graph will be the minimum.

(2) By solving equation

The second way to find the minimum value comes when we have the equation y = ax² + bx + c.

If our equation is in the form y = ax^2 + bx + c, you can find the minimum by using the equation min = c - b²/4a.

The first step is to determine whether your equation gives a maximum or minimum. This can be done by looking at the x² term.

If this term is positive, the vertex point will be a minimum; if it is negative, the vertex will be a maximum.

After determining that we actually will have a minimum point, use the equation to find it.

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3 years ago
Ali sells tomatoes to 9 restaurants. each restaurants buys the same amount of tomatoes each day. suppose ali sells 162 pounds of
MariettaO [177]
162 / 9 = 18....so he sells 18 lbs of tomatoes to each restaurant
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