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Elena-2011 [213]
4 years ago
7

Solve the quadratic equation 3x^2+2x-4=0

Mathematics
1 answer:
DENIUS [597]4 years ago
7 0

Answer: x = 2/3, -2

Step-by-step explanation:

First factor the equation into (3x-2)(x+2)=0.  Thus, because one of the terms must be 0, x = 2/3, -2.

Hope it helps, and if you want help on how to factor quadratic expressions, just ask <3

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Rohit takes4 4/5minutes to make a complete round of a circular park.How much time hi will take to make 15rounds​
jolli1 [7]

Answer:

Rohit takes 4 4/5 minutes ( =4.8 minutes) to make a complete round of a circular park. For finishing 15 rounds, he needs time T:

T = 15 x 4.8 = 72 minutes

Hope this helps!

:)

6 0
3 years ago
If 3/4 of a pie is split evenly among 6 people, how big of a slice does each person get?
Lynna [10]
The answer is going to be 4.5
3 0
3 years ago
Need of help with this question
Vitek1552 [10]

Answer:

a triangle with an angle of 90°

a triangle with an angle of 55°

a triangle with an angle of 35°

Step-by-step explanation:

Every triangles angles add up to 180°. Add the choices up:

90+55+35\\145+35\\180

Each of the answers is an angle measure of the triangle.

8 0
4 years ago
Segment AB measures 3 cm. Point O is the center of dilation. How long is the image of AB after a dilation with . . .
Marianna [84]

Answer:

The image of AB will be 15 cm long after dilation by a scale factor of 5.

Step-by-step explanation:

We know that when an object is dilated by a scale factor, it gets reduced, stretched, or remains the same, depending upon the value of the scale factor.

  • If the scale factor > 1, the image is enlarged
  • If the scale factor is between 0 and 1, it gets shrunk
  • If the scale factor = 1, the object and the image are congruent

Rule to calculate the mage of the segment AB after dilation of the segment AB by a scale factor 5 centered at the origin

AB = length → A'B'  = 5(length)

It means the length of the image of the segment AB can be determined by multiplying the length of the original segment AB by 5.

so

AB = 3 cm

Thus, the length of image A'B' will be:

A'B' = 5(3) = 15 cm

Therefore, the image of AB will be 15 cm long after dilation by a scale factor of 5.

5 0
3 years ago
What is 25 5/10 x 3 as a mixed number?
Dvinal [7]

Answer:

This has the steps and the answer tell if you want the websites name

7 0
3 years ago
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