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saveliy_v [14]
3 years ago
9

On a number line, the distance from zero to -7 is 7 units.

Mathematics
1 answer:
aivan3 [116]3 years ago
4 0

Answer: Option A. |-7| = 7


Solution:

The distance is a positive value, then we must not take in account the sign, and using:

|a| =-a if a<0

with a=-7

|-7| = -(-7)

|-7| = 7

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What makes the statement true? 8^-2=?
GREYUIT [131]
I think the correct answer would be 1/64. <span>A </span>negative exponent<span> just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side. It is calculated as follows:

8^-2 = 1/8^2 = 1/64

Hope this answers the question. Have a nice day.</span>
6 0
3 years ago
Read 2 more answers
The vertices of ΔABC are A(−3,4)​, B(−2,4)​, and C(−5,2). If ΔABC is reflected across the line y=−2 to produce the image Δ​A'B'C
Mumz [18]

The coordinates of vertex B' is P'(x,y) = (-2, -8).

<h3>How to calculate the coordinate of point by reflection</h3>

A point if reflected across the line y = -2 by means of the following formula:

P'(x,y) = P(x,y)+2\cdot [(x_{P}, -2)-P(x,y)] (1)

Where:

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  • x_{P} - x-Coordinate of point P
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If we know that P(x,y) = (-2,4) and x_{P} = -2, then the coordinates of the vertex is:

P'(x,y) = (-2, 4) + 2\cdot [(-2,-2)-(-2,4)]

P'(x,y) = (-2, 4) +2\cdot (0, -6)

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P'(x,y) = (-2, -8)

The coordinates of vertex B' is P'(x,y) = (-2, -8). \blacksquare

To learn more on reflections, we kindly invite to check this verified question: brainly.com/question/1878272

3 0
2 years ago
The price of an item has risen to $120 today. Yesterday it was $40. Find the percentage increase.
Snezhnost [94]

Answer:

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Mrrafil [7]

Step-by-step explanation:

Taisha is losing money. Exactly how much can be found in this equation.

12 months in a year so that's our coefficient.

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She is 339.72 dollars in debt.

7 0
3 years ago
If you answer this ill give u brainliest what is 23*45*98-3
nikdorinn [45]

(23*45*98)-3 = 101,427

the answer is = 101,427

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3 years ago
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