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IceJOKER [234]
3 years ago
6

Please help with this look below! : )

Mathematics
1 answer:
kykrilka [37]3 years ago
5 0

Answer:

$0.40

Step-by-step explanation:

5.60/14 = .40

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Which of the following is an equation of the line in the graph?
zlopas [31]
<h3>Answer:</h3>

B. 3x +y = 4

<h3>Step-by-step explanation:</h3>

It is perhaps easiest to simply try the equations to see which one works.

For x=0, there are two different kinds of answers:

... A and C: -y = 4

... B and D: y = 4

Since we know y=4 when x=0 (from the point (0, 4)), we can eliminate choices A and C.

___

Using the point (1, 1), you can try choices B and D to see which works:

... B: 3·1 +1 = 4 . . . . true (put 1 where x and y are in the equation)

... D: -3·1 +1 = -2 = 4 . . . . false

The appropriate choice is the equation of B: 3x +y = 4.

_____

<em>Derive the equation from the given points</em>

There are several ways you can derive the equation. Since you have the y-intercept (the point with x=0), you can use the slope-intercept form to start.

The slope (m) is ...

... m = (change in y)/(change in x) = (4 -1)/(0 -1)

... m = -3

We know the y-intercept (b) is 4, so the slope-intercept form of the equation is ...

... y = mx +b

... y = -3x +4

Adding 3x puts this in standard form:

... 3x +y = 4

3 0
3 years ago
How do you divide by two digit divisor
neonofarm [45]
Dividing with a 2 digit divisor is simple...
for example...
25/125
25 goes into 125, five times
25x5=125
5 would be the answer.
its the same thing as dividing with a one digit divisor. its just two digits instead.

hope this helps

5 0
3 years ago
The number 4 is the smallest positive integer that has exactly three factors: 1, 2, and 4. If k is the next-highest integer that
saul85 [17]

To solve this problem, we must do a method of trial and error to find for the next highest integer with exactly three factors. We know that the value of k must be greater than 4, therefore by using trial and error to find for the correct answer:

 

Factors of 5:1, 5

Factors of 6:1, 2, 3, 6

Factors of 7:1, 7

Factors of 8:1, 2, 4, 8

Factors of 9:1, 3, 9

 

Therefore we stop at 9 since this is already our answer. It has exactly three factors.

The sum of the factors is:

sum of factors = 1 + 3 + 9

<span>sum of factors = 13</span>

3 0
3 years ago
A car travels 30 miles in 1/2 hour. What is the average speed at which the car is traveling in miles
Dmitry_Shevchenko [17]

Answer:

the car is traveling 60 miles per hour

Step-by-step explanation:

Since it is going 30 miles in half an hour, we just need to double both values to find the speed for an hour

30*2=60

1/2*2=1

60 miles per hour

hope this helps pls give crown <3

6 0
2 years ago
Determine the length of side x to the nearest hundredth. ​
zubka84 [21]
Use sine = opposite / hypotenuse

3 0
2 years ago
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