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Marina86 [1]
3 years ago
5

Which student's work is correct? Explain please

Mathematics
1 answer:
Lunna [17]3 years ago
8 0

Step-by-step explanation:

Wendy

-20 = x/2 + 7

-20 -7 = x/2 + 7 -7

-27 = x/2

-54 = x

x = -54

because it's math rule

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The maximum walking speed S, in feet per second, of an animal can be modeled by the equation S=[gL, where g=32ft/sec and L is th
Artyom0805 [142]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
27p+41=23+p. show with steps, the final answer should be p=9/13, please show how​
const2013 [10]

Answer:

9/13

Step-by-step explanation:

Everything that crossed the equal sign past with an opositive value.

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3 0
4 years ago
Which exponential function has the greatest average rate of change over the interval [ 0 , 2 ]
PIT_PIT [208]

The exponential function which has the greatest average rate of change over the interval [0, 2] is option B.

<h3>How to calculate the average rate of change?</h3>

Mathematically, the average rate of change between two (2) points can be calculated by using this expression;

Slope = \frac{Change\;in\;y\;axis}{Change\;in\;x\;axis}\\\\Slope = \frac{y_2\;-\;y_1}{x_2\;-\;x_1}

For option A, we have:

when x = 0;             when x = 2;

y = 3(1.6)^x               y = 3(1.6)^x

y = 3(1.6)^0              y = 3(1.6)^2

y = 3.                        y = 7.68

ΔA = (7.68 - 3)/(2 -0) = 2.34.

For option B, we have:

ΔA = (9 - 4)/(2 -0) = 2.5.

For option C, the exponential function has a common ratio of 2.

ΔA = 2.

For option D, we have:

ΔA = (10 - 8)/(1 -0) = 2.

In conclusion, we can logically deduce that the exponential function which has the greatest average rate of change over the interval [0, 2] is option B i.e 2.5.

Read more on average rate of change here: brainly.com/question/3493733

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5 0
1 year ago
What is the perimeter of this shape?
Lubov Fominskaja [6]

Answer:

20

Step-by-step explanation:

:)

6 0
3 years ago
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a restaurant and ordered 3940 pounds of rice in 220 pound bag about how many 20 pound bags of rice to the change order
Alchen [17]
If my answer is correct,then here..
11-20 LB bags for 220
197-20 LB bags for 3940
3 0
3 years ago
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