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kap26 [50]
2 years ago
5

If x varies inversely as y, which statement is true?

Mathematics
1 answer:
grin007 [14]2 years ago
3 0

Answer: The Inverse variation

Step-by-step explanation:

The phrase “ y varies inversely as x” or “ y is inversely proportional to x” means that as x gets bigger, y gets smaller, or vice versa. This concept is translated in two ways. yx = k for some constant k, called the constant of proportionality.

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On his twelfth birthday Ben was 4 3/4 tall. On his 13th birthday, Ben was 5 3/8 feet tall. How much did Ben grow grow between 12
stealth61 [152]
The answer is Ben grew 5/8 longer between his 12 and 13 birthdays
8 0
3 years ago
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A car is driving at 70 kilometers per hour. How far, in meters, does it travel in 5 seconds?
notka56 [123]

Answer:

97.2 m

Step-by-step explanation:

\frac{70 km}{1 h} = \frac{70000 m}{3600 s} = 19.4 m/s

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8 0
3 years ago
Rewrite the equation without absolute value, thanks!
34kurt

Since x - 3 < 0 for -2 < x < 3, |x-3| = -(x-3)

Since x + 2 > 0 for -2 < x < 3, |x+2| = x+2

Since x - 5 < 0 for -2 < x < 3, |x-5| = -(x-5).

So y = -(x-3) + (x+2) -(-(x-5)) = 3 - x + x + 2 + x - 5 = x.

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4 0
3 years ago
How do you answer a, b and c, answers and also how you worked it out
Kruka [31]

We can either convert to standard form first or convert to a common multiplier, kinda like a common denominator.  The latter makes more sense if they wanted the result in scientific notation, but let's do it that way anyway.

a)

4.5 × 10⁴ + 3.8  × 10³ = 45 × 10³ + 3.8  × 10³ = 48.8× 10³ = 48,800

Answer:  48,800

b)

4.5 × 10⁴ - 3.8  × 10³ = 45 × 10³ - 3.8  × 10³ = 41.2× 10³ = 41,200

Answer:  41,200

c)

7.2 × 10⁻³ + 6.3  × 10⁻² = 7.2 × 10⁻³ + 63  × 10⁻³ = 70.2 × 10⁻³

       = 7.02 × 10⁻² = 0.0702

Answer: 0.0702

4 0
3 years ago
The equation of line one is 3x – 2y = 5. The equation of line two is x + 2y = 7. What is the point
Airida [17]
The answer should be 3,2
7 0
3 years ago
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