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Vinil7 [7]
3 years ago
7

Find the gradient of the line. y = -3x-2

Mathematics
1 answer:
IrinaK [193]3 years ago
6 0

Answer:

gradient = - 3

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the gradient and c the y-intercept )

y = - 3x - 2 is in this form

with gradient m = - 3


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will brought 3 college textbooks one cost 32 on 45 and one cost 39 what is the average price of his books ? choose the statement
777dan777 [17]

To find the average, add the cost of each book to get a total cost, then divide the total cost by the number of books purchased.


Total cost: 32 + 45 + 39 = 116


Average cost: 116 / 3 = 38.67

4 0
3 years ago
The sum of a certain number and -3.4 is -8.1 find the number​
kirza4 [7]
Answer:

-4.7

Explanation:

-4.7 + -3.4 = -8.1

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6 0
3 years ago
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What are the next three terms of the following sequence?
kaheart [24]

we know that given terms were i geometric progression.

which means common ratio is same between two consecutive terms .

here we have 8,40,200,1000.

we know that common ratio =second term/first term =40/8=5.

so each and every terms is multiplied by 5 to get next term for this series the term after 1000 is 5000 =1000*5.

in part b we have another series which is having common ratio of -2.

so we need to multiply with -2 to find next term.

80*(-2)=-160.

for part c the common ratio is -2 .

so we need to multiply with -2 *previous term =-2*16 =-32.

5 0
3 years ago
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A company that manufactures vehicle trailers estimates that the monthly profit for selling its midsize trailer is represented by
lapo4ka [179]

Answer:

The answer is below

Step-by-step explanation:

The profit equation is given by:

p(t)= -25t³+625t²-2500t

The maximum profit is the maximum profit that can be gotten from selling t trailers. The maximum profit is at point p'(t) = 0. Hence:

p'(t) = -75t² + 1250t - 2500

-75t² + 1250t - 2500 = 0

t = 2.3 and t = 14.3

Therefore t = 3 trailers and t = 15 trailers

p(15) = -25(15³) + 625(15²) - 2500(15) = 18750

Therefore the company makes a maximum profit of approximately $18750 when it sells approximately 15 trailers.

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3 years ago
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Thr diffrence between 4,632 and 20,000
stira [4]
The answer to that is :

15,368
6 0
3 years ago
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