3 years ago

Someone help me please

Mathematics

1 answer:

gayaneshka [121]3 years ago

6 0

The answer is d hope it helps

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Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation

Olenka [21]

Answer:

y = $\frac{49}{3}$

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 7 when x = 3

k = $\frac{y}{x}$ = $\frac{7}{3}$ , thus

y = $\frac{7}{3}$ x ← equation of variation

When x = 7, then

y = $\frac{7}{3}$ × 7 = $\frac{49}{3}$

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3 years ago

What does it mean?How to do them?

Aneli [31]

The signs mean greater than, less than or equal.

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3 years ago

Compared to its parent function the transformation of the following : y= -3x - 3 + 4

astra-53 [7]

The answer is B
Hope it helps!!

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3 years ago

A university knows from historical data that 25% of students in an introductory statistics class withdraw before completing the

Vikki [24]

Answer:

13.4%

Step-by-step explanation:

Use binomial probability:

P = nCr p^r q^(n-r)

where n is the number of trials,

r is the number of successes,

p is the probability of success,

and q is the probability of failure (1-p).

Here, n = 16, r = 2, p = 0.25, and q = 0.75.

P = ₁₆C₂ (0.25)² (0.75)¹⁶⁻²

P = 120 (0.25)² (0.75)¹⁴

P = 0.134

There is a 13.4% probability that exactly 2 students will withdraw.

8 0

3 years ago

Can someone give me the answer

Lelechka [254]

Hi,

The answer is D, (y = 8x)

Hope this helps.
r3t40

5 0

3 years ago