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ella [17]
3 years ago
10

Which point is on the graph of the equation y = 2 x - 5?

Mathematics
2 answers:
kozerog [31]3 years ago
8 0
The correct answer would be number 4.
Aneli [31]3 years ago
4 0

Answer:

4

Step-by-step explanation:

the correct answer is number 4

if X = 2 ==> 2x -5 = 2(2) -5 = 4 - 5 = -1

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Can any one help me and work 2 or 3 of the problems for me to understand it
Alekssandra [29.7K]
To solve these problems you need to use the quadratic formula which is listed below. 

\frac{-b +/-  \sqrt{b^{2} - 4ac } }{2a}

So, if you take #2. 

The x^{2} has a 1 in front of it. The x has a -3 in front of it. The last number is also -3. So:

a = 1
b = -3
c = -3

Then you can plug all of these into the equation and simplify. Which gives you:

\frac{3 -/+  \sqrt{21} }{2}

4 0
3 years ago
Help Plss <br>How many solutions do y=5-2x and 4x+2y = 10 have?​
tia_tia [17]

y=2x+5

2(2x+5)+4x=10

4x+10+4x=10

8x=20

So there's one solution, x=2.5

5 0
3 years ago
7) If angle K is defined by the expression "8x+25" and angle M is defined by the expression "6x+15" find the measure of angle K.
castortr0y [4]

Answer:

i looked it up in math ay and i got nothing i put 6x + 15 in to it and it said ***Factor 3 out of 6x + 15**   **3 2x + 15**

Step-by-step explanation:

hope this helps

6 0
3 years ago
Hello I hope you having a good day what is 163 dived by 859
aleksley [76]

Answer:

Exact Form:

163 /859

Decimal Form:

0.18975552 969

Step-by-step explanation:

Reduce the expression, if possible, by cancelling the common factors.

Please give me Brainliest

3 0
2 years ago
Item 18 A triangular sail has a base of 4 feet and a height of 10 feet. What is the area of a sail with double the base and doub
nlexa [21]

Answer:

80{ft}^{2}

a \:  =  \frac{1}{2} b \times h \\ a =  \frac{1}{2}  \times 8 \times 20   \\ a=  \frac{1}{2}  \times 160  \\ a = 80

6 0
3 years ago
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