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polet [3.4K]
3 years ago
9

Pls help me 20 points

Mathematics
1 answer:
Degger [83]3 years ago
8 0

Answer:I think it is c

Step-by-step explanation:

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A hot air balloon is currently at a height of 900 feet. The balloon is descending by 10 feet minute. Find a function for the bal
mylen [45]

Answer:

y=-10x+900

Step-by-step explanation:

Let

x -----> the number of minutes

y ----> the balloon's height in feet

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-coordinate of the y-intercept

In this problem we have that

The slope is equal to

m=-10\ \frac{ft}{min} ----> is negative because is a decreasing function

b=900\ ft

Remember that the y-intercept is the value of y when the value of x is equal to zero

In this context the y-intercept is the height of the balloon when the time is equal to zero (initial height)

substitute

y=-10x+900

8 0
3 years ago
13. Find the range of the function on the graph<br> below.
aliina [53]

Range is ] -20 , -10 [

both points are disclude according to the empty circle

4 0
2 years ago
The teacher realizes that a mistake was made and the student whose score was recorded as 49%
statuscvo [17]

Answer:

? whattt

Step-by-step explanation:

3 0
3 years ago
The sets F and H are given below.
Vinil7 [7]

Answer:

  F ∪ H = {c, d, e, f, g, h}

  F ∩ H = { }

Step-by-step explanation:

The union is the list of elements that are in either of the two sets.

  F ∪ H = {c, d, e, f, g, h}

The intersection is the list of only those elements that appear in both sets. (There are none.)

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4 0
4 years ago
C= m over 3 π d to the second power , for m
julia-pushkina [17]
Solve for m:C = 1/3 π d^2 m
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6 0
3 years ago
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