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Lunna [17]
3 years ago
7

In the above question is 400 the part or the whole?

Mathematics
1 answer:
Scrat [10]3 years ago
6 0

Answer:

What is it?

Step-by-step explanation:

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Graphing<br>solve a system of equation by graphing ​
Alex787 [66]

SOLUTION:

Point \ (1,3)

<h2>Explanation:</h2>

Let's use the following System of Linear Equations in Two Variables in order to solve this exercise:

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}y=2x+1\\y=-4x+7\end{array}\right.

So we can graph these lines using two points.

For eq (1):

y=2x+1 \\ \\ If \ x=0 \ then \ y=2(0)+1 \therefore y=1 \\ \\ If \ y=0 \ then \ 0=2x+1 \therefore x=-\frac{1}{2} \\ \\ \\ Points: \\ \\ (0,1) \\ \\ (-\frac{1}{2},0)

So graph a line that passes through these two points. This is the red line shown below.

For eq (2):

y=-4x+7 \\ \\ If \ x=0 \ then \ y=-4(0)+7 \therefore y=7 \\ \\ If \ y=0 \ then \ 0=-4x+7  \therefore x=\frac{7}{4} \\ \\ \\ Points: \\ \\ (0,7) \\ \\ (\frac{7}{4},0)

So graph a line that passes through these two points. This is the blue line shown below.

<em>The solution of this system of equation is the point of intersection, which is (1,3)</em>

<h2>Learn more:</h2>

Parallel lines: brainly.com/question/12169569

#LearnWithBrainly

8 0
3 years ago
The graph represents f(x), and g(x) = 7x – 42.
Aliun [14]
g(x)=7x-42\\\\\y-intercept\ of\ g(x):\\\\f(0)=7\cdot0-42=-42\to(0;\ -42)\\\\x-intercept\ of\ g(x):\\\\0=7x-42\ \ \ \ |+42\\7x=42\ \ \ |:7\\x=6\to(6;\ 0)

f(x)=ax+b\\\\y-intercept\ of\ f(x):\ (0;\ -3)\\\\x-intercept\ of\ f(x):\ (6;\ 0)

Answer:

A) the y-intercept of g(x) is less than the y-intercept of f(x).


4 0
4 years ago
Which of the following is a step in constructing a circle circumscribed about a triangle
sweet-ann [11.9K]

Answer:

Construct the perpendicular bisectors of each side

Choice A is correct

Step-by-step explanation:

Circumscribe means to draw on the outside of a geometric figure just touching the corner points but never crossing.

The steps in constructing a circle circumscribed about a triangle;

Construct the perpendicular bisector of one side

Construct the perpendicular bisector of another side

Where the lines cross is the center of the Circumscribed circle .

7 0
3 years ago
If you know this you are an honor roll kid
Tanzania [10]
I'm not sure but i think 10.125 inches

2.25 is for 1 year
so therefore multiply by 4.5 years = 10.125 inches
4 0
3 years ago
Read 2 more answers
Question Below plsss answer asap
liraira [26]
I think the answers B
6 0
3 years ago
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