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3 years ago

(1,5) (2,9) what is the rate of change?

Mathematics

1 answer:

zepelin [54]3 years ago

7 0

Answer:

Step-by-step explanation:

Slope is rate of change. y 2 -y 1/x 2 - x 1

9-5/2-1

4/1

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The line plot below displays the fraction of incoming calls answered before the second ring by a group of employees. What fracti

Sonja [21]

Answer:

1/6

Step-by-step explanation:

People who answered less than 1/2 were: 2 + 1 + 3 = 6 people.

There are a total of 36 people.

People who answered their calls before the second ring were only 6/36.

When we simplify the fraction, we get 1/6.

So, the answer is 1/6.

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3 years ago

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OLEGan [10]

Answer:

First bank last function

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3 years ago

Y = 5/x/+2 <br> Does it compress up 2 or stretch up 2

Dmitriy789 [7]

Answer:

It compresses up 2

Step-by-step explanation:

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3 years ago

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irina [24]

5/8 of a liter of syrup, or 0.625

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3 years ago

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Katarina [22]

1. Answer (D). By the law of sines, we have $\frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}$ in any $\triangle ABC.$

2. Answer (C). The law of cosines, $c^2=a^2+b^2-2ab\cos C,$ accepts up to three sides and an angle as an input.

3. Answer (D). Although this triangle is right, we are not given enough information to uniquely determine its sides and angles - here, we need either one more side or one more angle.

4. Answer (D). Don't get tripped up by answer choice (C) - this is just a rearrangement of the statement of the law of cosines. In choice (D), the signs of $a^2$ and $2ab\cos C$ are reversed.

5. Answer (B). By the law of sines, we have $\frac{5}{\sin 40^\circ}=\frac{3}{\sin\theta}.$ Solving gives $\theta\approx \boxed{23^\circ},157^\circ.$ Note that this is the <em>ambiguous (SSA) case</em> of the law of sines, where the given measures could specify one triangle, two triangles, or none at all!

6. Answer (A). Since we know all three sides and none of the angles, starting with the law of sines will not help, so we begin with the law of cosines to find one angle; from there, we can use the law of sines to find the remaining angles.

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3 years ago