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noname [10]
4 years ago
7

3x²+5x-2=0 by any method

Mathematics
1 answer:
Salsk061 [2.6K]4 years ago
5 0
3x²+5x=2

x(3x+5)=2

x=2  or 3x+5=2
           
            x=3/5  
You might be interested in
4t^7(7t^12 how do you solve this​
frozen [14]

Answer:

28t^19

Step-by-step explanation:

4t^7 * 7t^12

Deal with the integers and indices seperately.

4 * 7 = 28

t^7 * t ^12 = t^7+12 = t^19

3 0
4 years ago
The function is given by the formula f(x)=3x+2. a Find f(7).
Artyom0805 [142]

Answer:

Step-by-step explanation:

plug in 7

f(x)=3(7)+2

multiply 3 and 7 which is 21

and 2

f(x)=23.

5 0
3 years ago
A line passes through the point (-8,9) and has a slope of 5/4.
Masteriza [31]

Answer:

The answer is

<h2>y =  \frac{5}{4} x + 19 \\</h2>

Step-by-step explanation:

To find an equation of a line when given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

where

m is the slope

( x1 , y1) is the point

From the question the point is (-8,9) and slope 5/4

The equation of the line is

y - 9 =  \frac{5}{4} (x + 8) \\  y - 9 =  \frac{5}{4} x + 10 \\ y =  \frac{5}{4} x + 10 + 9

We have the final answer as

y =  \frac{5}{4} x + 19 \\

Hope this helps you

5 0
4 years ago
What is the area of the side of this house?
melamori03 [73]

Answer:

25

Step-by-step explanation:

8 0
3 years ago
Find the equation of the line that passes through (3,1) and is parallel to y=2x+1.
creativ13 [48]

9514 1404 393

Answer:

  y = 2x -5

Step-by-step explanation:

The parallel line will differ only in the value of c. That can be found using the given point.

  y = mx +c

  c = y -mx . . . . . . subtract mx to solve for c

  c = 1 -2·3 = -5 . . . . . . the value of m is 2 in the given equation (x, y) = (3, 1)

The equation of the parallel line is ...

  y = 2x -5

7 0
3 years ago
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