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marysya [2.9K]
3 years ago
12

I think this is my last one! Will give Brainliest! DUE TODAY!!!Will give everything good and will make smartest answer WITH WORK

Brainliest.

Mathematics
1 answer:
const2013 [10]3 years ago
4 0

Answer:

$5

Step-by-step explanation:

m=\frac{y_2 - y_1 }{x_2 - x_1} = \frac{275-300}{5-0} = \frac{-25}{5} = -5

The item is discounted by $5 per week.

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The answer is A. they should work on their plan for managing income. 
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3 years ago
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Suppose f is a continuous function on [-2, 2) such that
Leviafan [203]

Answer:

2. a and b only.

Step-by-step explanation:

We can check all of the given conditions to see which is true and which false.

a. f(c)=0 for some c in (-2,2).

According to the intermediate value theorem this must be true, since the extreme values of the function are f(-2)=1 and f(2)=-1, so according to the theorem, there must be one x-value for which f(x)=0 (middle value between the extreme values) if the function is continuous.

b. the graph of f(-x)+x crosses the x-axis on (-2,2)

Let's test this condition, we will substitute x for the given values on the interval so we get:

f(-(-2))+(-2)

f(2)-2

-1-1=-3  lower limit

f(-2)+2

1+2=3 higher limit

according to these results, the graph must cross the x-axis at some point so the graph can move from f(x)=-3 to f(x)=3, so this must be true.

c. f(c)<1 for all c in (-2,2)

even though this might be true for some x-values of of the interval, there are some other points where this might not be the case. You can find one of those situations when finding f(-2)=1, which is a positive value of f(c), so this must be false.

The final answer is then 2. a and b only.

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Find the 11th term of the geometric sequence 7, 35, 175,
HACTEHA [7]

Answer:

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(3x5)-1 expression word
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Answer:

Subtract the result of three times five with 1.

Step-by-step explanation:

(3 \times 5)-1

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Subtract the result of three times five with 1.

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Find the point on the line 5x+7y+1=0 which is closest to the point (−4,3).
Keith_Richards [23]

5x + 7y + 1 = 0
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