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Anika [276]
3 years ago
8

I did some help to see if they are all right enything can help thanks

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
5 0
They are all right! i checked them all over multiple times! nice job.

lol ok so im trying to get a new rank and would reallyyyyy appreciate it if you could give me brainliest answer. thank u sooo much lol

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Show all work to solve 3x^2 + 5x − 2 = 0
Ratling [72]

Answer:

x=1/3 or x=−2

if i can be brainliest that would be great

Step-by-step explanation:

Step 1: Add 2 to both sides.

3x^2+5x−2+2=0+2

3x^2+5x=2

Step 2: Since the coefficient of 3x^2 is 3, divide both sides by 3.

3x^2+5x/3=2/3

x^2+5/3x=2/3

Step 3: The coefficient of 5/3x is 5/3. Let b=5/3.

Then we need to add (b/2)^2=25/36 to both sides to complete the square.

Add 25/36 to both sides.

x^2+5/3x+25/36=2/3+25/36

x^2+5/3x+25/36=49/36

Step 4: Factor left side.

(x+5/6)^2=49/36

Step 5: Take square root.

x+5/6=±√49/36

Step 6: Add (-5)/6 to both sides.

x+5/6+ −5/6=

−5/6±√49/36x=−5/6±√49/36x=

1/3 or x=−2

3 0
2 years ago
Question 25 the sum of three numbers is 79 . the second number is 9 less than the first. the third number is 2 times the first.
g100num [7]
I believe the numbers are 22, 13, and 44.
4 0
3 years ago
What time did they arrive at the airport?
Ainat [17]

Answer:

32

Step-by-step explanation:

7 0
3 years ago
BRAINLIEST QUESTION
Debora [2.8K]

Answer:

the answer is triangles ABC and DEC are similar

Step-by-step explanation:

angle C is a common angle for both triangles

angle D is equal to angle A ( corresponding angles)since they are parallel

angle B is also equal to angle B for the same reason as angle D and A

since the three angles of the two angles are equal they are similar

6 0
2 years ago
Which statement is true about two angles that are complementary?
m_a_m_a [10]
Complementary angles are two angles that total 90°, so yes, you are correct.

ANSWER: The answer is (B) the sum of the measures of the two angles is 90°.

Hope this helps! :)
5 0
3 years ago
Read 2 more answers
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