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cestrela7 [59]
3 years ago
11

She bought 314yards of fabric. Her total cost was $13. What was the cost per yard?

Mathematics
1 answer:
Step2247 [10]3 years ago
5 0

Answer:

$24.15 (answer is rounded)

Step-by-step explanation:

314/13= 24.15

I also used a calculator

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A high speed machine makes 108 bolts every minute. How long does the machine take to make 18 bolts?​
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about 9 seconds

Step-by-step explanation:

18x60/108

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Given that two tangent lines are constructed from the shared point A outside a circle to the points of tangency B and C, what is
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The answer would be C! Like the person stated above ''tangents to the same circle from the same point measure the same''.
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Amir is solving the equation x2 + 8 +6=0 with the quadratic formula.
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Answer:

A= -1, B = -8, C = -6

Step-by-step explanation:

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Answer:

1)

Minimum is a 4th Degree

2)

Positive; Even

3)

x=-4, -1\text{ Odd Multiplicity}\\x=3\text{ Even Multiplicity}

Step-by-step explanation:

Part 1)

The minimum degree of our function will be 4.

Looking at the graph, we know that the graph crosses the x-axis at -4 and -1. Since it <em>crosses through</em> the x-axis at these two points, these two factors must have an odd multiplicity.

So, it can be anything 1, 3, 5, 7, etc.

However, we will choose the lowest one, 1.

Next, we know that the graph <em>bounces off</em> at 3.

So, it must have an even multiplicity. In other words, 2, 4, 6, 8, etc.

We choose the lowest one, 2.

Therefore, the minimum degree of our function will be 1+1+2 or 4.

Part 2)

The degree of our polynomial is (and will always be) even. Therefore, both ends of the graph will go in the same direction.

Recall the simplest even polynomial, the parent quadratic function. When the leading coefficient is positive, both of the ends go straight up.

This applies to all polynomials with even degrees.

Therefore, since the arms of the graph is going straight up towards positive infinity, the leading coefficient of our graph must be positive.

Part 3)

This is similar to Part 1.

We can see that the graph touches the x-axis at -4, -3, and 1. So, the zeros of the function is: x=-4, -1, 3

We know that it<em> passes through</em> x=-4 \text{ and } x=-1 . So, these two factors must have an odd multiplicity.

However, since the graph <em>bounces off</em> x=3, this factor must have an even multiplicity.

And we're done!

7 0
3 years ago
Complete the definition of the piecewise defined
Westkost [7]

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