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castortr0y [4]
3 years ago
13

Lauren woke up one morning and saw frost on the windows. It was -2°C outside. Later in the day, the frost melted. At 3 p.m. it w

as 9°C outside. Which expression represents the difference between the two temperatures?
Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0

Answer:

9-(-2) or 9+2

Step-by-step explanation:

To find the difference of something, subtract one value from the other. It become addition because two negatives make a positive

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Pam draws three scalene triangles. In each figure, she measures each angle, as shown.
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bathroom that is 6 feet long. If the mirror sells for $4.00 per square foot, what will the total cost of the mirror be?
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3 years ago
Calculate the length of AC to one decimal place in the trapezium below.
a_sh-v [17]

Answer:

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When we subtract 11-4=7cm  we get one cathetus of the right triangle a=7cm also we know hypotenuse which is c=16cm.

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Good luck!!

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