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Oksi-84 [34.3K]
3 years ago
11

4x^2-6x+2=0 plssssssssss

Mathematics
1 answer:
fomenos3 years ago
7 0

Answer:

x1 = 1 x2= 1/2

Step-by-step explanation:

DELTA= b^2-4*a*c

DELTA=(-6)^2-4*4*2= 4 >0 ==> 2 solutions

x1 = (-b+sqrtDELTA)/2*a = (6+2)/2*4 = 1

x2 = (-b-sqrtDELTA)/2*a = (6-2)/2*4 = 1/2

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The perimeter of the square is 2.25x and the equilateral triangle is 1.5x + 6. What is the value of x?
Bond [772]

Answer:

x = 4

Step-by-step explanation:

2.25x=1.5x+6

divide on both sides by 1.5x which equals

1.5x=6

divide both sides by 1.5

x=4

6 0
3 years ago
Precipitation for the month of March was 6 ½ inches less than average. In April, the precipitation was 2 ⅜ inches less than aver
deff fn [24]

Answer:

The precipitation for both March and April was 8 7/8 inches below average

Step-by step explanation;

For the month of march, precipitation was 6 1/2 inches less than average

For the month of April, precipitation was 2 3/8 inches left.

Now we want to calculate how many inches less than average was precipitation in both wants

What we simply do here is to add the inches with which they were both left than average in both months

That would be;

6 1/2 + 2 3/8

= 13/2 + 19/8 = (52 + 19)/8 = 71/8 = 8 7/8 inches

7 0
3 years ago
The diagonal of a square is x units. What is the area of the square in terms of x?
bixtya [17]

Answer:

A = (x^2)/2

Step-by-step explanation:

Represent the length of one side of the square by s.  Then, according to the Pythagorean Theorem,

x^2 = s^2 + s^2, or x^2 = 2s^2, or (solving for s^2), s^2 = (x^2)/2

This last result is the area of the square in terms of x:  A = (x^2)/2

7 0
4 years ago
Use angle relationships to complete the top equation. Then, solve for x and find the measure of both angles.
VashaNatasha [74]
7x + 5 = 180
x = 25
6x = 150
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7 0
3 years ago
Find (f+g)(x) if f(x)=3x+10x and g(x)=5x-3
otez555 [7]

3x-5x+3 Answer:


Step-by-step explanation:


7 0
4 years ago
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