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Helen [10]
2 years ago
11

A car travels a distance of d km in t hours. The formula that

Mathematics
1 answer:
V125BC [204]2 years ago
5 0

Answer:

Direct Variation

Step-by-step explanation:

Given: A car travels at a distance of d km. The formula that relates d to t is d=kt

To find: kind of variation

Solution:

The formula that relates d to t is d=kt

Here, k is a constant of proportionality.

Constant of proportionality is also called as constant of variation.

d varies directly as t.

Therefore, this is a direct variation.

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Evaluate the limit. lim x-> infinity n/3^x
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Answer:

0

Step-by-step explanation:

Find the following limit:

lim_(x->∞) 3^(-x) n

Applying the quotient rule, write lim_(x->∞) n 3^(-x) as (lim_(x->∞) n)/(lim_(x->∞) 3^x):

n/(lim_(x->∞) 3^x)

Using the fact that 3^x is a continuous function of x, write lim_(x->∞) 3^x as 3^(lim_(x->∞) x):

n/3^(lim_(x->∞) x)

lim_(x->∞) x = ∞:

n/3^∞

n/3^∞ = 0:

Answer:  0

7 0
3 years ago
A grocery store gives a$10 gift card to every 25th customer and a $20 to every 69th customer. Which customer will be the first t
alina1380 [7]

Answer:

First answer:

1725 customer.

Second Answer:

$690

Step-by-step explanation:

What you have to do is find the LCM(Least Common Multiple) of both 25 and 69.

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3 years ago
What is Gwen's speed in meters per second​
Citrus2011 [14]

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Step-by-step explanation: For every 1 second, she swims another 2 meters.

6 0
3 years ago
The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative
weeeeeb [17]

Answer:

the graph of the function f(x) = −3x2 − 3x + 6 is shown. Which statements describe the graph? Select three options.

On a coordinate plane, a parabola opens down. It goes through (negative 2, 0), has a vertex at (negative 0.5, 6.75), and goes through (1, 0).

The vertex is the maximum value.

The axis of symmetry is x = negative one-half.

The domain is all real numbers.

The range is all real numbers.

The function is decreasing from (−∞, 6.75).

Step-by-step explanation:

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