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Oksanka [162]
2 years ago
10

Solve this quadratic equation. x2 + 5x + 3 = 0

Mathematics
1 answer:
Xelga [282]2 years ago
3 0

Answer:

Step-by-step explanation:

2x+5x+3=0

7x+3=0

   -3   -3

   =0  =-3

7x=-3

-3/7=-0.42857142857

x=-0.42857142857

I think it is right

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Helpppppp pl for 5 point​
Tcecarenko [31]

Answer:

3^{-2} * 3^3

Step-by-step explanation:

Multiply 1/9 and 27 to get 27/9 which reduces to 3. When doing these equations, you add up the exponents. To get 3, you would have to have 3^1. The get this, the only equation that would work is 3^-2 x 3^3

-2+3 gets 1. So 3^1 which gets you 3. So this is the answer.

4 0
2 years ago
Find the distance between the two given points. (-6, -5) and (2, 0)
Ipatiy [6.2K]

Answer:

The answer is

<h2>\sqrt{41}  \:  \:  or \:  \:  \: 6.403 \:  \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{( {x1 - x2})^{2} +  ({y1 - y2})^{2}  }  \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-6, -5) and (2, 0)

The distance is

d =  \sqrt{ ({ - 6 - 2})^{2} +  ({ - 5 - 0})^{2}  }  \\  =  \sqrt{ ({ - 4})^{2}  +  ({ - 5})^{2} }  \\  =  \sqrt{16 + 25}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

We have the final answer as

\sqrt{41}  \:  \:  or \:  \:  \: 6.403 \:  \:  \: units

Hope this helps you

4 0
3 years ago
What is the least number that has 4 odd factors that are all the same
Elanso [62]
Factors can't be one the factors have to be Odd and the same I would say 3×3×3×3 would be equal to 9×9 = 81 the number 81 has four of factors that are all the same can't be one because one does not count as a factor a prime number has two factors one and itself every number has a factor of one and itself.
5 0
3 years ago
Emily makes cylindrical bars of soap to sell online. Each bar has a radius of 3.5 cm and a length of 4 cm. Each bar is wrapped i
Mariulka [41]

Answer:

C) 1050π cm²

Step-by-step explanation:

Surface area of a cylinder = 2πrh + 2πr²

radius, r = 3.5cm

Height, h = 4 cm

Surface area of a cylinder = 2πrh + 2πr²

= 2 * π * 3.5 * 4 + 2 * π * 3.5²

= 28π + 2π * 12.25

= 28π + 24.5π

= 52.5π cm²

Surface area of a cylinder = 52.5π cm

There are 20 bars of soap

Total plastic Emily needs for 20 bars of soap = surface area of each soap × 20

= 52.5π cm² × 20

= 1,050π cm²

6 0
2 years ago
4. Match the equation with its graph. -4x+6y=24​
Nadusha1986 [10]

Answer:

Step-by-step explanation:

Solve the given equation for y:  6y = 4x + 24.  Thus, y = (2/3)x + 4.

This has a y-intercept of 4 and a slope of +2/3.  So we can immediately eliminate the middle two graphs.

The correct graph is the first one.  We know it's correct because the y intercept is + (whereas it's - in the other alternative answer choice).

8 0
3 years ago
Read 2 more answers
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