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yKpoI14uk [10]
4 years ago
13

Solve the system of linear equations:

Mathematics
1 answer:
melamori03 [73]4 years ago
5 0
The answer is C because if you replace the variables with 0 and 3, it makes the equation reasonable.
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-) (464 – 5) + (7 +664 - 662)
enyata [817]

Answer:

-468

Step-by-step explanation:

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4 years ago
The function C(x) = 25.50x + 50 models the total cost for a cleaning company to clean a house, where x is the number of hours it
vodomira [7]

Answer:

<em>The average rate of change is $25.5 per hour, option B.</em>

Step-by-step explanation:

<u>Average Rate of Change </u>

When we are explicitly given some function C(x), we sometimes need to know the rate of change of C when x goes from x=x_1 to x=x_2. It can be computed as the slope of a line .

\displaystyle m=\frac{C(x_2)-C(x_1)}{x_2-x_1}

The provided function is

C(x)=25.50x + 50

We are required to compute the average rate of change between the points

x_1=3\ ,\ x_2=9

Let's compute

C(3)=25.50(3) + 50=126.5

C(9)=25.50(9) + 50=279.5

\displaystyle m=\frac{279.5-126.5}{9-3}

\displaystyle m=\frac{153}{6}=25.5

The average rate of change is $25.5 per hour, option B.

7 0
4 years ago
What is the multiplication equation that compares the number of squares s to the number of triangles t.
nikdorinn [45]
↑↓⇅⇒∈∅⇄πβΖΡΕΕΕφαξψФ\int\limits^a_b {x} \, dx
7 0
3 years ago
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Why not give out some points?! ( ; <br> And remember God Loves You! <br> God Bless You!
podryga [215]

Answer:

Step-by-step explanation: You too

5 0
3 years ago
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Which expression can be simplified to find the slope of the trend line in the scatterplot? On a coordinate plane, a line goes th
Goryan [66]

Answer:

(A)\dfrac{24-79}{12-2}

Step-by-step explanation:

Given the trend line which goes through (2, 79) and (12, 24).

Slope, m=\dfrac{y_2-y_1}{x_2-x_1} \\x_1=2, y_1=79,x_2=12, y_2=24\\$Therefore$:\\\\m=\dfrac{24-79}{12-2}

The equation which can be simplified to find the slope of the trend line in the scatterplot is \dfrac{24-79}{12-2}

The correct option is A.

4 0
4 years ago
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