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nordsb [41]
3 years ago
11

How many solutions does the following system of linear equations have?

Mathematics
1 answer:
Mademuasel [1]3 years ago
3 0
2 this is right because 6 +1 and 6x 5x
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Write the equation of a line through the points (−7,14) and (−21,28) in slope-intercept form
Harlamova29_29 [7]

Answer: y= -x + 7

Solution:

Step 1 : find the slope using the equation using the pair of coordinates that are given i.e A (−7,14)  B (−21,28) ( name them A and B respectively so they can be easily named as x1, y1 and x2,y2 respectively)

m = y2-y1/x2-x1

m = 28-14 / -21 -( -7)

m =  14 / -14

m = -1

Step 2 : Find the y intercept using the line of equation (use and one of the given coordinates either A or B)

Using A ( -7, 14)

y= mx+ b

14 = (-1)(-7) + b

14= 7 + b

14-7 = b

7 =b

So,

y=mx+b

Insert m and b

y= -x + 7





8 0
3 years ago
Suppose you invest $950 at an annual interest rate of 6.5% compounded continuously. How much will you have in the account after
UNO [17]
Present value, P = 950
interest rate, i = 6.5% continuous
Number of periods, n = 10 years

Future value
F=Pe^{it}
=950e^{.065*10}
=1819.76   to the nearest cent
7 0
3 years ago
Chapter 11 assesment guide 5th grade
Alex73 [517]

Answer:

i need more info

Step-by-step explanation:

7 0
3 years ago
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Convert 5.45787878... to a fraction. Simplify.
kondaur [170]
5.45787878 = 545787878/100000000

divide both numerator and denominator by 2 or any other number

545787878 ÷ 2 = 272893939

100000000 ÷ 2 = 50000000

272893939/50000000 is your answer


3 0
3 years ago
What can you say about the y values?
lbvjy [14]

The minimum value of g(x) is -3.   This is a parabola with minimum value of -3 when x = 0.

f(x)  will  approach the values of -3  when x approaches  negative infinity but will never reach that value

So b and d are true

8 0
3 years ago
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