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kompoz [17]
3 years ago
8

Please help I need to solve this problem and I just need the answer little bit of explanation too

Mathematics
1 answer:
bija089 [108]3 years ago
3 0

Answer:

-1288

Step-by-step explanation:

replace x with -7 because (x= -7) and the rest is a simple maths

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Paralell to y=4x-6 through (12,10)
stiks02 [169]

<u>ANSWER</u>

The line that is parallel to y=4x-6 through (12,10) is  y=2x-14.



<u>EXPLANATION</u>


The equation that is parallel to the line y=4x-6 has a slope that is equal to the slope of this line.

By comparing this equation to the general slope intercept form,

y=mx+c,this line has slope m=2.


Hence the line parallel to this line also has slope m=2.

Let y=mx+b be the equation of the line parallel to the line

y=4x-6

We can substitute m=2 to obtain;

y=2x+b


If the line passes through the point (12,10),then this point must satisfy its equation.


We substitute x=12 and y=10 to obtain;


10=2(12)+b


We this equation for b.


\Rightarrow 10=24+b


\Rightarrow 10-24=b


\Rightarrow -14=b


We substitute this value of  b=-14 in to y=2x+b to get;


y=2x+-14.


Hence the equation of the line that is parallel to y=4x-6 through (12,10) is  y=2x-14.




3 0
3 years ago
Find the equation, in point-slope form, of the line that passes -3 and passes through the point (1,2). plz show your work.
Maslowich
Substitute the given values for the parameters in the point-slope form of the equation of a line. That form is
  y - k = m(x - h)
for point (h, k) and slope m.

You have (h, k) = (1, 2) and m=-3, so your equation is
  y - 2 = -3(x - 1)
4 0
3 years ago
Nolan rides his bike 63 miles in 270 minutes what is his average speed in miles per hour
shusha [124]
63 in 4.5 hours
63 divided by 4.5 is 14 so
14 MPH would be your answer

5 0
3 years ago
Read 2 more answers
Can you help me find the equation of the axis of symmetry for the parabola y=x^2-2x-9?
NNADVOKAT [17]

Answer:1,-10

Step-by-step explanation:

4 0
3 years ago
Bob makes his first $1000 deposit into an IRA earning 6.4% compounded annually on his 24th birthday and his last $1000 deposit o
snow_lady [41]

Answer:

He would have $111,050.77 in the IRA.

Step-by-step explanation:

<u>What we know</u>:

The PMT is $1000

Rate of Interest (i in the formula) is 6.4% or 0.064 in decimal form

Number of periods (n) is 12

-

<u>Equation (Future Value Formula)</u>:

FV = PMT ( (1+i)^n -1) / i)

= 1000 ( (1+0.064)^12 -1) / 0.064)

FV = 17,269.22 (rounded)

-

A stands for amount

T stands for time period which is 30

<u>Finding IRA</u>:

A = FV (1+i)^t

= 17,269.22 (1+0.064)^30

= $111,050.77

8 0
3 years ago
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