MATHEMATICS HIGH SCHOOL

Help me with this!!!

Answers

Answer 1

Answer:

Answer:

3.5 would be halfway of 3 and 4.

Answer 2

Answer:

Answer:3.5

Step-by-step explanation:

3.5 is half of 3 and 4

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A design engineer is mapping out a new neighborhood with parallel streets. If one street passes through (6, 4) and (5, 2), what is the equation for a parallel street that passes through (−2, 6)?A. y = 1 half x + 5
B. y - 1 half x + 1
C. y = 2x + 10
D. y = 2x − 14

Answers

keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the first street.

$(\stackrel{x_1}{6}~,~\stackrel{y_1}{4})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{2}) ~\hfill~ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{2}-\stackrel{y1}{4}}}{\underset{\textit{\large run}} {\underset{x_2}{5}-\underset{x_1}{6}}} \implies \cfrac{ -2 }{ -1 } \implies 2$

so we are really looking for the equation of a line whose slope is 2 and it passes through (-2 , 6)

$(\stackrel{x_1}{-2}~,~\stackrel{y_1}{6})\hspace{10em} \stackrel{slope}{m} ~=~ 2 \n\n\n \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\n \cline{1-1} \n y-y_1=m(x-x_1) \n\n \cline{1-1} \end{array}\implies y-\stackrel{y_1}{6}=\stackrel{m}{2}(x-\stackrel{x_1}{(-2)}) \implies y -6 = 2 ( x +2) \n\n\n y-6=2x+4\implies {\Large \begin{array}{llll} y=2x+10 \end{array}}$

Write an exponential regression equation for the data, rounding all values to the nearest thousandth.Please help I will mark brainliest

Answers

f(x)= 39.59(1.09)

Hope this helps!!

I put $200 in a saving account with 7% interest a year. How much will i have in 19 years

Answers

it would be 200×0.07= 14×19= 266

I = PRT
P for Principle Amount
R for Rare
T for Time in years

I = 200 × 0.07 × 19 (70% = $(7)/(100)$ = 0.07)
= $266 - this is the interest

You will have 200 + 266 = $466 in your account

A system of equations has no solution.If y=8x +7 is one of the equations,which could be the other equation has no solution.If y=8x +7 is one of the equations,which could be the other equation

Answers

Answer:

The other line is y= 8x - 7

Step-by-step explanation:

The given equation in two variable is

y= 8x ± 7

The two equations in two variables are:

Ax + By +C=0

P x + Q y +R=0

Now, the condition that these two equations has no solution is if;

A/P = B/Q ≠ P/R

Another condition is in terms of line , if the two lines have same slope.

For example, y= ax + b and , y = ax + p are two lines having same slope means they are parallel, that is they will never intersect.

If the line is , y = 8x + 7, the other line will be, y= 8x - 7

Answer: Y = 8X - 7

Step-by-step explanation:

A system of equations with no solution, means the two lines are parallel to each other.

If parallel to each other, they will have common gradient but different intercept.

(x/3)+5=2x-70
solve for x
what are the steps

Answers

(x/3)+5=2x-70
3[(x/3)+5]=[2x-70]3
x+15=6x-210
+210 +210
x+225=6x
-x -x
5x=225
x=45

$(x)/(3)+5=2x-70\ \ \ \ \ \ |\cdot3\n\nx+15=6x-210\ \ \ \ |combine\ like\ terms\n\nx-6x=-210-15\ \ \ \ |simplify\n\n-5x=-225\ \ \ \ \ \ \ |:-5\n\nx=45$