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Assoli18 [71]
3 years ago
8

Evaluate the expression for x=5, y=-3 and z=7 7 - 3y – 3z

Mathematics
2 answers:
andrew11 [14]3 years ago
7 0

Answer:

Step-by-step explanation:

7 - 3(-3) - 3(7) = 7 + 9 - 21 = 16 - 21 = -5

barxatty [35]3 years ago
5 0

Answer:

-5

Step-by-step explanation:

(Refer to image)

Plug in the y and z and use order of operations to simplify!

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Find the coordinates of the intersection of the graph of the line y=2x−6 with coordinate axes.
elena55 [62]

Answer:

x-intercept = 3

y-intercept = - 6

Step-by-step explanation:

The intersection of the line with the x-axis is known as the x-intercept and it's calculated by making y = 0.

Also, the intersection of the line with the y-axis is known as the y-intercept and it's calculated by making x = 0.  

<u>Given the following data;</u>

Equation of straight line is y = 2x - 6

To find the intersection;

<em>When y = 0, the equation crosses the x-axis. </em>

y = 0;

<em>Substituting into the equation, we have;</em>

0 = 2x - 6

2x = 6

x = 6/2 = 3

x = 3

(x, y) = (3, 0) on the x-axis.

<em>When x = 0, the equation crosses the y-axis. </em>

x = 0;

<em>Substituting into the equation, we have;</em>

y = 2(0) - 6

y = 0 - 6

y = -6.

(x, y) = (0, -6) on the y-axis.

<em>Therefore, the coordinates of the intersection of the graph is (3, 0) and (0, -6). </em>

7 0
3 years ago
What is the length of the longer of the two chords shown?
AVprozaik [17]

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Nezavi [6.7K]
The equation is y=5x + 15 the slope being 5
3 0
3 years ago
Please answer..............
Schach [20]

Answer:

Step-by-step explanation:

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Which shows the coordinates of the image points for pre image points (x,y)?
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Answer:

C) (px,py)

Step-by-step explanation:

When we are dilating an image about the origin  we need to multiply the scalar factor to each x and y co-ordinates of pre-image to get the co-ordinates of the transformed image.

Since scalar factor is p , so we multiply the x and y with p.

Pre-image (x,y)\rightarrow Image (px,py)

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3 years ago
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