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Anton [14]
3 years ago
7

A rectangle has a length of 10 inches and a width of 4 inches

Mathematics
2 answers:
Dimas [21]3 years ago
6 0

Answer:

area is 40in, perimiter is 28in

Step-by-step explanation:

area:

 LxW

 10x4=40

perimiter:

 L+L+W+W

 10+10+4+4=28

Alina [70]3 years ago
6 0

Answer:

P=28

A=40

Step-by-step explanation:

P=L+L+W+W

P=10+10+4+4

A=L*W

A=10*4

I don't know which one you wanted so heres both

Hope this helps!

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A deep freezer has a temperature of -6°C when it is turned off.
Xelga [282]

Answer:

y = -6 + 1.2*x is the answer I would use, but see the note below.

Step-by-step explanation:

Let x = the number of minutes.

Let y = the temperature at any given time.

y = -6 + 1.2*x

This is the equation that you would use if you were calculating y with a calculator. If you are in a chemistry class it should be written as

y = - 6°C + 1.2°x/ min

4 0
2 years ago
Without graphing predict weather the function y= (1/2)x shows exponential growth or decay. Justify your predictions
Alik [6]

Answer:

The base of the exponential function is 0.5 which is between 0 and 1 and thus this is an exponential decay function.

Step-by-step explanation:

Exponential equations are usually in the form;

y=ab^{x}

where;

a is the initial value, that is the value of y when x is 0,

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If b>1, then it is an exponential growth function and the values of y keep getting bigger.

if 0<b<1, then it is an exponential decay function and the y values keep getting smaller as x increases.

In the function given;

y=(\frac{1}{2})^{x}

The base of the exponential function is 0.5 which is between 0 and 1 and thus this is an exponential decay function.

In order to justify our prediction, we can simply obtain the graph of the function and check on how x and y vary.

From the attachment below we can see that the values of y become increasingly smaller as the values of x increases in magnitude which justifies our predictions.

5 0
3 years ago
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lyudmila [28]

Answer:

Step-by-step explanation:

-2 < -3/4.  Another way in which to do this would be to use the LCD:

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3 years ago
Why do scientist collect data
julsineya [31]

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3 years ago
Find the slope of the line.
elena55 [62]

Answer:

The slope is 0.

Step-by-step explanation:

The slope of any horizontal line is zero.

4 0
3 years ago
Read 2 more answers
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