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pav-90 [236]
4 years ago
14

Match the expression with its equivalent expression? 4(x+3)

Mathematics
1 answer:
Sergeu [11.5K]4 years ago
4 0

Answer:

4x+12

Step-by-step explanation:

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The table represents a linear function.<br> What is the slope of the function?
TEA [102]

Answer:

-4

Step-by-step explanation:

The function is linear; therefore, the slope of the line joining any two points is the same.

We take any two points from the table and compute the slope or  rise/ run between them— let is take points (-4, -2) and (-2, -10).

The slope m of the line joining the points is

m=\dfrac{\Delta y }{\Delta x } =\dfrac{-2-(-10)}{-4-(-2)} \\\\\boxed{m=-4}

The slope of the function is -4.

3 0
3 years ago
if y is the midpoint of xz, y is located at (3,-1), and z is located at (11,-5), find the coordinates of x
svlad2 [7]

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ X(\stackrel{x_1}{x}~,~\stackrel{y_1}{y})\qquad Z(\stackrel{x_2}{11}~,~\stackrel{y_2}{-5}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{11+x}{2}~~,~~\cfrac{-5+y}{2} \right)=\stackrel{\stackrel{midpoint}{y}}{(3,-1)}\implies \begin{cases} \cfrac{11+x}{2}=3\\[1em] 11+x=6\\ \boxed{x=-5}\\ \cline{1-1} \cfrac{-5+y}{2}=-1\\[1em] -5+y=-2\\ \boxed{y=3} \end{cases}

7 0
4 years ago
Read 2 more answers
Please help :) i really need your help right now thank you
Nastasia [14]

The first one and the last one, the 2 middle ones are not corresponding

5 0
3 years ago
Suppose $580 is placed in a savings account at a simple interest rate of
Anna35 [415]

Answer: $95.7

Step-by-step explanation:

580 x 5.5% = 31.9 x 3 =95.7

$95.7

3 0
2 years ago
Solve the following inequalities and give the solutions in both set and interval notations.
Lubov Fominskaja [6]
4y + 3 > 23 subtract 3 from both sides
4y > 20 divide both sides by 4
y > 5

-2y > -2 divide both sides by -2 (the order changes)
y < 1

(-oo, 1) ∪ (5, oo)
8 0
3 years ago
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