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Anon25 [30]
3 years ago
10

What is the quadratic equation 2x2+3x-20=0

Mathematics
2 answers:
Anna007 [38]3 years ago
6 0
<span><span>Its:
x = -5/2 = -2.500
</span><span>x = 4
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hope that helped!</span></span>
liq [111]3 years ago
3 0
3x=20+2x2=24
x=24÷3=8
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Point N is on line segment MO. Given MO = 3x - 10, NO = x, and M N = 8,
alexandr402 [8]

Answer:

MO = 17

Step-by-step explanation:

First, you need to define what if the unknown x.

segment MN and NO are equal to MO.

thus, your equation for the combination is x +8

Now set the values equal to each other

x + 8 = 3x - 10 (subtract x from both sides)

8 = 2x - 10 ( get your x value alone, add 10 to both sides)

18 = 2x (simplfy)

x = 9

Now plug x value into MO

3 (9) - 10 = 17

Check with opposing equation:

9 + 8 = 17 √

3 0
3 years ago
Write the domain and rang of h using interval notation
34kurt

We can write the domain and range in interval notation, which uses values within brackets to describe a set of numbers. In interval notation, we use a square bracket [ when the set includes the endpoint and a parenthesis ( to indicate that the endpoint is either not included or the interval is unbounded.

3 0
2 years ago
-3x-4y=12 just do it​
allochka39001 [22]

Answer: X intercept: (-4,0) Y Intercept: (0,-3)

Step-by-step explanation: i dont know if thats how it was suppose to be done or not but that is just the intercepts for it.

6 0
1 year ago
Read 2 more answers
3. A soccer team played 160 games and won 65 percent of them. How many games did the team win?
Airida [17]

Answer:

b.) 104

Step-by-step explanation:

Percent formula:

x/y = p/100

where x is the fraction, y is the total, and p is the percent

This means:

x = number of games the team won

y = total number of games

p = percent the number of teams won

Let's plug these values into the equation:

x/y = p/100

x/160 = 65/100

Solve by cross-multiplying:

x/160 = 65/100

100(x) = 100x

160(65) = 10,400‬

100x = 10,400

/100     /100

x = 104

Therefore, the team won 104 games.

6 0
3 years ago
Please answer and explain.
djyliett [7]

Answer:

x = 13

Step-by-step explanation:

The sum of the exterior angles of a 4 sided polygon is 360

139+ 6x+9x+2x = 360

Combine like terms

139+17x=360

Subtract 139 from each side

17x = 360-139

17x = 221

Divide each side by 17

17x/17 = 221/17

x = 13

8 0
2 years ago
Read 2 more answers
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