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max2010maxim [7]
3 years ago
14

Please help with these two questions and give an accurate answer. I will mark u the brainiest. Sinking Rivers charges two hundre

d dollars for insurance and fifteen dollars an hour to rent the raft. Write an equation to represent Sinking Rivers’ total cost (c) for any number of hours (h). Floating Down the Stream charges thirty dollars an hour and one hundred and ten dollars for insurance. Write an equation to represent Floating Down the Stream’s total cost (c) for any number of hours (h)
Mathematics
1 answer:
Soloha48 [4]3 years ago
5 0

Answer:

Step-by-step explanation:

First one is 200 dollars for insurance which will be the constant and 15 dollars an hour which means the equation will be;

C = 15h +200 (Sinking Rivers)

Second one is $30 an hour and $110 for insurance which is the constant so he equation is;

C = 30h + 110 (Floating Down The Stream)

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Write an equation of the line below
gregori [183]

Answer:

The equation of the line is:

y = 4x + 3

Step-by-step explanation:

We know that the slope-intercept of line equation is

y = mx+b

Where m is the slope and b is the y-intercept

Given the two points on a line

  • (0, 3)
  • (-2, -5)

Finding the slope between (0, 3) and (-2, -5)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(0,\:3\right),\:\left(x_2,\:y_2\right)=\left(-2,\:-5\right)

m=\frac{-5-3}{-2-0}

m=4

We know that the y-intercept can be computed by setting x=0 and determining the corresponding y-value.

From the graph, it is clear:

at x = 0, y = 3

Thus, y-intercept = b = 3

Substituting m = 4 and b = 3 in the slope-intercept form of line equation

y = mx+b

y = 4x + 3

Therefore, the equation of the line is:

y = 4x + 3

8 0
2 years ago
Simplify this expression: 5(2x² + 2x + 4) - 3x(x + 2) *<br><br>ill give brainliest :)​
inysia [295]

Answer:
7x2 + 4 x + 20

Step-by-step explanation:

Subtract 3x2 from 10x2.7x2+10x+20−6xSubtract 6x from 10x.7x2+4x+20

5 0
2 years ago
When Theresa got her puppy, it weighed 6 ponds less than 2/3 of its weight now. If the puppy weighed 4 pounds when she first rec
sesenic [268]

Answer:

15 lb

Step-by-step explanation:

let the current weight of the puppy be X, the  initial weight of the puppy is 4lb or \frac{2}{3}X-6\ lb, (6 lb less 2/3 X) .

#We equate the current weight to the initial weight to determine X:

4\ lb=\frac{2}{3}X-6\ lb\\\\10 \ lb=\frac{2}{3}X\\\\X=15

Hence, the current weight of the puppy is 15 lb

5 0
3 years ago
Sebastian used the table and correctly identified that the data does not represent a logarithmic function. What information did
Lelechka [254]

Answer:

D. The table shows two x-intercepts and it changes from increasing to decreasing.

Step-by-step explanation:

A logarithmic function isn't either of these. This is the correct answer of ed-genuity. Hope this helped! :)

8 0
3 years ago
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Patty says that if you add the same negative integer five times, the sign of the sum is negative and its size is five times the
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Her statement is true because multiplication is repeating addition
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