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2 years ago

The cost of a car, in dollars, t years after its purchase is $20,000 - $3,000t. Which statement is correct? please explain too.

Mathematics

1 answer:

xeze [42]2 years ago

5 0

We start with 20,000. Every year t, we decrease 3,000. Thus, each year the car depreciates by 3,000 every year.

B

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2 years ago

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When a softball player gets a hit, it can be a single, double, triple, or home run. When Josephine is at bat, the protectity

Fofino [41]

Answer:

The probability of hitting a single or a double is 1/5 or 20% or 20/100 or 0.2

Step-by-step explanation:

In probability, whenever we are to answer an ‘or’ question, we add up the probabilities involved.

The probability of hitting a single is 15%, that is same as 15/100 or just simply 0.15

The probability of hitting a double is 5%, that is simply 5/100 or just simply 0.05

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2 years ago

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1. 9 + k - 19

2. 6.7n

3. 37t - 9.85

5. 15 + $\frac{60}{w}$

6. 7 - 3v

7. $5m - \frac{t}{7}$

8. $\frac{p}{14} + \frac{q}{3}$

9. 8 - 9r

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1 year ago

X - 3y =17, -x - y=19 ???

Annette [7]

Answer: Its in the pic below

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2 years ago

Find r if (r, 6) and (5, -4) are two points on a line with a slope of 5/7 (Hint: use the slope formula)

andreyandreev [35.5K]

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have

$(r,\ 6),\ (5,\ -4)\\\\m=\dfrac{5}{7}$

Substitute

$\dfrac{-4-6}{5-r}=\dfrac{5}{7}\\\\\dfrac{-10}{5-r}=\dfrac{5}{7}\qquad|\text{cross multiply}\\\\5(5-r)=(-10)(7)\qquad|\text{use distributive property}\\\\25-5r=-70\qquad|-25\\\\-5r=-95\qquad|:(-5)\\\\\boxed{r=19}$

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2 years ago