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cupoosta [38]
3 years ago
11

URGENT!!!!! 20 POINTS! Kara is graphing the equation |x| + |y| = a , where a​ is a real number.

Mathematics
2 answers:
beks73 [17]3 years ago
7 0

Answer:

Step-by-step explanation:

a=0 if both x and y are each =0

for all other real values a>0

HACTEHA [7]3 years ago
6 0

Answer:

idk

Step-by-step explanation:

i need dem pts.

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The formula for the circumference of a circle is C = 2nr. Find the circumference of a
Sholpan [36]

Step-by-step explanation:

circumference = 2\pi \: r \\ C = 2 \times 3.14 \times ( \frac{4}{2} ) \\ C = 12.56 \: ft

7 0
2 years ago
What is the slope of the line in the graph?
Viktor [21]

Answer:

The slope of the line in the graph is 1.

Step-by-step explanation:

Slope is determined by rise over run. Meaning that the number of units the slope goes up/down divided by the number of units the slope goes to the left/right is the slope. The rise is one, and the run is one. 1 over 1 equals 1.

4 0
3 years ago
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jogger ran 2 miles, increase your speed by 1 mph, and then ran another 3 miles. if the total jogging time was one 1/half hours,
notka56 [123]

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around 5 miles per hour

Step-by-step explanation:

5 0
2 years ago
A soccer player uses her head to hit a ball up in the air from a height of 2 meters with an initial vertical velocity of 5 meter
Mandarinka [93]

Answer:1.32 s

Step-by-step explanation:

Given

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Height of ball at any instant is given by

H=-4.9t^2+5t+2

The ball will hit the ground when h=0

-4.9t^2+5t+2=0\\4.9t^2-5t-2=0\\t=\dfrac{5\pm\sqrt{25+4(4.9)(2)}}{2\times 4.9}\\t=\dfrac{5\pm\sqrt{64.2}}{9.8}\\t=\dfrac{5+8.01}{9.8}=1.32\ s\quad\text{Neglecting negative value of t}

3 0
2 years ago
Geometry help help help
Kruka [31]
BD = AC/2
4x+2 = (5x+13)/2

2(4x+2) = 5x+13
8x + 4 = 5x+13
8x - 5x = 13 -4
3x = 9
x = 3

8 0
3 years ago
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