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sattari [20]
3 years ago
6

Which of these could be the value of x in the triangle below

Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

5

Step-by-step explanation:

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Which of the following coordinate pairs make the equation x - 9y = 12 true?
Ne4ueva [31]

Options:

(12,0)     (0,12)    (3,-1)    (0,-4/3)

Answer:

(12,0) ,  (3,-1)  and (0,-4/3)

Step-by-step explanation:

Given

x - 9y = 12

Required

Which option is true?

A coordinate point is of the form; (x,y)

So, we have to substitute the x and y values in the given equation.

A. For (12,0)

x = 12 and y = 0

x - 9y = 12 becomes

12 - 9*0 = 12

12 - 0 = 12

12 = 12

<em>This is true</em>

B. For (0,12)

x = 0 and y = 12

x - 9y = 12 becomes

0 - 9*12 = 12

- 9*12 = 12

- 108 = 12

<em>This is false</em>

C. For (3,-1)

x =3 and y = -1

x - 9y = 12 becomes

3 - 9*-1 =12

3 + 9 =12

12 = 12<em></em>

<em></em>

<em>This is true</em>

D. For (0,-4/3)

x = 0 and y = -\frac{4}{3}

x - 9y = 12 becomes

0- 9*-\frac{4}{3} = 12

0+ 9*\frac{4}{3} = 12

0+ 3*4 = 12

0+12 = 12

12 = 12

<em></em>

<em>This is true</em>

<em></em>

<em>Hence, (12,0) ,  (3,-1)  and (0,-4/3) are true values of the equation</em>

5 0
3 years ago
QUUESTION Today, everything at a store is on sale! The store offers a 20% discount.
julsineya [31]

Answer:

(x÷100)20

Step-by-step explanation:

x÷100 would be 1% so then to find 20% you would multiply by 20

6 0
3 years ago
Pleas help me if you can
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Just use the word bank to fill in the blanks. Each letter they give you in the picture is the beginning of the words. So the first one to the left is a C______ and f_____ that would be Cold front.  Do the same for the others.
6 0
3 years ago
What is the slope of the line through (-7,-7) and (-6,7)
Serggg [28]
Slope = 14
slope intercept form: y = 14x+91
4 0
3 years ago
Solve this equation 3x+5-x=x-3
QveST [7]
I think the answer is x=-8  
you are basically simplifying both sides of the equation..then isolating the variable
8 0
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