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Ivenika [448]
3 years ago
11

When x is 3, y is 15. If y varies directly as x, which equation relates x and y?

Mathematics
1 answer:
NARA [144]3 years ago
4 0

Answer:

x5=y

Step-by-step explanation:

Let's say 3y=15

3 x 5 = 15, so y=5.

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brenda and her bestfriend went on a vacation together. They both paid for a flight, and brenda had a fancy room for $150 per nig
AURORKA [14]

Answer:

What is the question?

Step-by-step explanation:

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7 0
3 years ago
What is the vertex of the graph of the function below? y = x2 - 8x + 12 A. (-2, 0) B. (-4, -4) C. (-4, 0) D. (-2, -4)
mario62 [17]
To find the vertex of the parabola, we need to write it in a vertex form.

y=x² - 8x +12 

1) complete the square

y=x² - 8x +12 
y = x² -2*4x + 4² - 4² +12
y=(x-4)²  -16 +12

2) calculate and write a vertex
y=(x-4)²  -16 +12
 y=(x-4)²  - 4

(x-4)           -----     x- coordinate of the vertex x=4
 y=(x-4)²  - 4    -------y- coordinate of the vertex  y = -   4 
  
Vertex is (4, -4).
Answer is (4, -4).  No correct answer is given in choices. 

7 0
3 years ago
How are real numbers used to describe a real-world situations
avanturin [10]
Real numbers are all rational numbers such as -7 and 4/3 and all irrational numbers. Real numbers are mainly used in counting and also in measurement which is used a lot in real world situations. These numbers help is quantify in the real world.
Hope this helps! Can you give me a brainliest please? I need them badly !
3 0
3 years ago
I need help with this simplification-
astra-53 [7]

Answer:

1.31

Step-by-step explanation:

= \frac{64}{56}^2 x \frac{1}{2.92}^3 x 2.48

= 1.31 x 0.40 x 2.48

= 0.524 x 2.48

= 1.31

:)

Answer was verified and rounded

7 0
2 years ago
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