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Ainat [17]
3 years ago
13

Wich algebraic expression represents ”forty times a number”? 40+n 40n n-40 40/n

Mathematics
2 answers:
aalyn [17]3 years ago
7 0

Answer:

b its 40n second from top

Step-by-step explanation:

Reika [66]3 years ago
4 0
The answer to the problem is 40n
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Find an equation for the line that passes through the points (-5,-5) and (1,4)
Andreas93 [3]

The general line through (a,b) and (c,d) is

(c-a)(y-b)=(d-b)(x-a)

Here that's

(1 - - 5)(y - - 5) = (4 - -5)(x - - 5)

6(y+5)=9(x+5)

6y + 30 = 9x + 45

-15 = 9x - 6y

3x - 2y = -5

Answer: 3x - 2y = -5

We could put that in slope intercept form,

2y = 3x + 5

y = (3/2) x + 5/2

Answer: y = (3/2) x + 5/2

3 0
3 years ago
Here is the questions sorry
xxMikexx [17]

Answer:

I think the answer is about 10

Step-by-step explanation:

6 0
3 years ago
Chandra runs 10 miles. After every two miles, she checks the time. The scatter plot shows her results.
masya89 [10]

Answer: 7.5

Step-by-step explanation:

Per 2 mile she ran 15m

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3 0
3 years ago
Just the answer Please hurry
kaheart [24]

Answer:

We have been given that a car can travel 476 miles on 14 gallons of gas and we are asked to write an equation relating the distance d to the number of gallons g.

We can set an equation as distance traveled is directly proportional to number of gallons used in travelling that distance.

Now we will find out K(number of miles traveled in one gallon of gas) by substituting our given values in this equation.

Therefore, we can see that car travels 34 miles in one gallon of gas.

Now we can use this information to find out how many gallons of gas does this car need to travel 578 miles.

Let us divide number of miles to be traveled by number of miles traveled in one gallon of gas to find out number of gallons of gas needed.

Therefore, car need 17 gallons of gas to travel 578 miles.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
11x - 2x + 15 = 8 + 7 + 9x<br> Help please
sergey [27]

Answer:

15 it's in the equation

Step-by-step explanation:

11x-2x=9x  9x-9x=0

7+8=15

8 0
3 years ago
Read 2 more answers
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