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igor_vitrenko [27]
3 years ago
8

Order pairs (x,y) that is the solution to the equation. 5x-y=4 (x,y) =

Mathematics
1 answer:
nadezda [96]3 years ago
7 0
Given:  5x-y=4.  Create a couple of ordered pairs by choosing x and calculating y from this equation:

x=1 results in y=1.  Thus, (1,1) is a solution.
x=-3 results in -15-y=4, or -y=19, or y=-19.  Thus, (-3,-19) is a solution.

x=0 results in -y=4, so that y=-4.  Thus, (0,-4) is a solution.
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Evaluate the expression, 7x+8(x-3). Assume that x=4.
NNADVOKAT [17]

Answer:

if x was 4 then the answer would be 36.

Step-by-step explanation:

28+8(4−3)

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Question 3. Y=(1/5)^xSketch the graph of each of the exponential functions and label three points on each graph.
STatiana [176]

Given exponential function:

y\text{ = (}\frac{1}{5})^x

Let us obtain three points including the y-intercept so that we can plot the function y = f(x)

When x =0:

\begin{gathered} y\text{ = (}\frac{1}{5})^0 \\ =\text{ 1} \end{gathered}

when x =1:

\begin{gathered} y\text{ = (}\frac{1}{5})^1 \\ =\text{ }\frac{1}{5} \end{gathered}

when x =2:

\begin{gathered} y\text{ = (}\frac{1}{5})^2 \\ =\text{ }\frac{1}{25} \end{gathered}

We have the points : (0, 1), (1, 1/5), and (2, 1/25)

Using these points, let us provide a sketch of the plot of y =f(x). We have the plot as shown below:

5 0
1 year ago
Find the missing angle in the triangle below
Deffense [45]

Answer:

125

Step-by-step explanation:

4 0
3 years ago
Help please! 10 points!
IgorC [24]

Answer:

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Step-by-step explanation:

Triangles have same angles. This means that they are proportion.

50/27 = 40/x

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