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Lostsunrise [7]
3 years ago
6

Sameer woke up one morning and saw frost on the windows. It was -7°C outside. Later in the day, the frost melted. At 3 p.m. it w

as 2°C outside. Which expression represents the difference between the two temperatures?
Mathematics
1 answer:
kirill115 [55]3 years ago
8 0

Answer:

d = 9

Step-by-step explanation:

Given

Morning = -7^{\circ}C

Afternoon = 2^{\circ}C

Required

What represent the difference

The expression that represents the difference (d) are:

d = |Morning - Afternoon|

Substitute values for Morning and Afternoon

d = |-7 - 2|

d = |-9|

d = 9

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timama [110]

Answer:

Step-by-step explanation:

y=4 times 1/2 to the power of x can be written symbolically as

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y = 4(1/2)^x.  This is the same as y = ------- or y = -------- * 2^(-x)

                                                             2^x                1

This function is a "decaying exponential."

A suitable table follows:

x      4(2^[-x])         x    y

0      4(2^0)           (0, 4)

1        4(2^1)            (1, 8)

2       4(2^2)           (2, 16)

and so on.

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2 years ago
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zloy xaker [14]

Step-by-step explanation:

No of prime number = 4 ( 3 , 5 , 7 , 11)

P ( prime number) = 4/12

= ⅓

7 0
2 years ago
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If a×b×c=0 and a and b are integers greater than 10 what must equal c
myrzilka [38]
C is 0, since only multiplied by 0 will get 0, and the question defined that a and b not 0, so only c is 0
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Answer:

See explanation

Step-by-step explanation:

Start by dividing the isosceles triangle in half along the upper vertex angle (not the congruent base angles). This creates two right triangles. Since you divide the triangle in half along an angle, they both have an equal base angle, and they share a side, they are congruent by ASA. Since the corresponding sides of congruent triangles are equal, the sides opposite the congruent base angles of a triangle must be congruent.

Hope this helps!

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ivolga24 [154]
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