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yanalaym [24]
2 years ago
6

In a direct variation, y = 12 when x = 3. Write a direct variation equation

Mathematics
2 answers:
lbvjy [14]2 years ago
5 0

Answer:

fourth one

Step-by-step explanation:

zlopas [31]2 years ago
5 0
Y=4x, the answer is B
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Nikitich [7]
The answer your locking for is C it was kind of hard @ first but i did it :]
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3 years ago
Order these from greatest to least:<br> 6/5<br> 4/2<br> 2/5<br> 1/2
user100 [1]

Answer: 4/2,1/2,6/5,2/5

Step-by-step explanation:

Think of it like pices of pie if you eat half the pie it going to be more than eating 2 pieces right?

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3 years ago
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The hypotenuse in a right triangle is 13 cm. Of the other two sides one is 7 cm longer than the other determine the lengths of t
slamgirl [31]

Assuming x represents the length of the first side.

Use pythagorean theorem to solve:

<span>a^2</span> + <span>b^2</span> = <span>c^2</span>

<span>x^2</span> + <span><span>(x+7)^</span>2</span> = <span>13^2</span>

<span>x^2</span> + <span><span>x^2</span>+14x+49</span> = 169

<span>2<span>x^2</span></span> + 14x - 120 = 0

Solve the quadratic equation using the quadratic formula.

At the end, you will get side lengths of #(-14 ± 34) / 4, or -12 and 5

SInce a negative triangle length is impossible, 5 is the value of x and 5 + 7 is the value of x + 7, which makes 12.

The formula for area of a right triangle is A = <span>b<span>h/2</span></span>

A = <span><span>b<span>(h)</span></span>2</span>

A= <span><span>12<span>(5)</span></span>2</span>

A = <span>30c<span>m^<span>2</span></span></span>

8 0
3 years ago
What is the GFC of the numbers 12,18 and 26
guapka [62]
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Since the lowest number is 12, you should only include factors up to 12.
Factors of 12: 1, 2, 3, 4, 6, 12
Factors of 18: 1, 2, 3, 6, 9
Factors of 26: 1, 2

The common factors between the three numbers are 1 and 2, but you are looking for the greatest common factor. The greatest means the highest, and which is the highest number out of 1 and 2? 2, so that is your answer.
3 0
2 years ago
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If you roll a standard die, what is P(6) ? (probability of rolling a 6)
Burka [1]

Answer:

1/6

Step-by-step explanation:

There are 6 sides to a die, and 6 occupies one side, so the probability of rolling a 6 is 1/6.

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