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evablogger [386]
3 years ago
15

The diagram shows the graph of y = 2x + c, where c is a constant find the value of K.​

Mathematics
2 answers:
pishuonlain [190]3 years ago
7 0

Answer:

K=6.5x+c

Step-by-step explanation:

This is the answer for all the marks

mote1985 [20]3 years ago
4 0

Answer:

k=\frac{13}{2}

Step-by-step explanation:

The equation y=2x+c is a <em>linear equation</em>. By definition, the independent term on this equation (that is, the number that is not being multiplied by x) is the <em>y-intercept</em>, which is a fancy way of saying "the point where the line crosses the y-axis".

By looking at the equation, we know that our y-intercept is <em>c. </em>By looking at the graph, we can see that the y-intercept is -3. Therefore, c=-3 and we get the complete version of our linear equation:

y=2x-3

Now, looking at the graph we can see that the point (k,10) lies on the line of the equation, which means that the point is a solution to our equation. All we have to do is replace x and y by the values of the given point (which are k and 10, respectively), and then solve for k:

10=2k-3\\10+3=2k\\13=2k\\2k=13\\k=\frac{13}{2}

And we are done!

You might be interested in
50 people took a driving test. 18 of the 50 people are women. One quarter of the men failed the driving test. The number of men
Zanzabum

Answer:

Step-by-step explanation:

No. of people who took the test = 50

No. of women who took the test = 18

Therefore, no. of men who took the test = 50 - 18 = 32

No. of men who did not pass the test = 1/4 × 32 = 8

No. of men who passed = 32 - 8 =24

The no. of men who passed is 8 more than the no. of women who passed Therefore, the no. of women who passed = 24 - 8 = 16

No. of women who failed = 18 - 16 = 2

Total no. of people who passed = 24 + 16 = 40

Total no. of people that didnt pass = 2 + 8 = 10

Therefore probability that they passed = 50/40 = 1.25

Hope this help : ) . Have a nice day !

3 0
3 years ago
Read 2 more answers
Question 6 of 10
cluponka [151]
The answer at least i think is a
8 0
2 years ago
Which speed is faster 20 yards in 1.5 hours or 90 feet in 2.5 hours
erik [133]

To start this question, put all of the terms in the same unit. Yards and feet aren’t equivalent, but a simple multiplication can put them in the same unit (1 yard = 3 feet).

60 feet in 1.5 hours vs. 90 feet in 2.5 hours

Now, put the distance travelled by each in the same amount of time. You can reduce these to one hour each, or you can multiply both by a common denominator to save some fraction work (the first CD I can calculate is 30 hours, so multiply each fraction by the necessary number to bring the denominator to 30).

(60 feet/1.5 hours) x 15 = 900 ft/30 hours

(90 feet/2.5 hours) x 12 = 1080 ft/30 hours

1080 feet in 30 hours is greater than 900 feet in 30 hours, so 90 feet in 2.5 hours is faster than 20 yards in 1.5 hours.

Hope this helps!

7 0
3 years ago
I will give brainliest
sweet [91]
Is this correct? im not sure about the second ques

3 0
3 years ago
Find all possible value or value of in the quadratic equation 2n^2-7n+6=0
Diano4ka-milaya [45]
You can use the quadratic formula:
X = (-b +/- ✓b^2 - 4ac)/2a

You then can get:
X = 2 or 1.5

Hope this helps! :)
5 0
3 years ago
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