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Tanya [424]
3 years ago
5

The temperature outside changed from 64°F to 43°F over a period of seven days. If the temperature changed by the same amount eac

h day, what was the daily temperature change?
Mathematics
1 answer:
sertanlavr [38]3 years ago
3 0

Answer: -3°F

Step-by-step explanation:

From the question, we are informed that the temperature outside changed from 64°F to 43°F over a period of seven days. The total change will be:

= 43°F - 64°F

= -21°F

If the temperature changed by the same amount each day, the daily temperature change will now be:

= -21°F / 7

= -3°F

The temperature decreased by 3°F daily

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Check the picture below.

thus then

\bf \begin{cases}
y=100-a\\
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\end{cases}\implies 100-a=a\sqrt{3}\implies 100=a+a\sqrt{3}
\\\\\\
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8 0
3 years ago
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A direct variation function contains the points( -8,-6) and (12,9). Which equation represents the function ?
natulia [17]

Answer:

y = (3/4)x

Step-by-step explanation:

1)  Find the slope of the line.  As we go from ( -8,-6) to (12,9), x increases by 20 and y increases by 15.  Thus, the slope, m, is m = rise / run = 15/20 = 3/4

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3) write the equation of the line:  y = mx + b becomes y = (3/4)x

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3 years ago
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If the area of the blue square is 25 in2 and the area of the green square is 15 points
galben [10]

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144 in²

Step-by-step explanation:

6 0
3 years ago
Please help with this question ​
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Harlamova29_29 [7]

Answer:

128.605 m²

Step-by-step explanation:

Find the areas of the top triangle, and the bottom triangle and add them together.

The top triangle consists of 2 smaller triangles.  Look at the larger one, the height is 4.93 and the base is 17.  The area is...

A = (1/2)(17)(4.93)

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The bottom triangle consists of 2 smaller triangles.  Look at the larger one, the height is 10.2 and the base is 17.   The area is...

A = (1/2)(17)(10.2)

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