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erik [133]
3 years ago
5

HELP ME FAST !!!!!!!!!!!!!!!

Mathematics
1 answer:
Ann [662]3 years ago
8 0

Answer:

its +

Step-by-step explanation:

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Factor by grouping: 4x3 - 6x2 + 10x - 15.
BlackZzzverrR [31]
4x³ - 6x² + 10x - 15
2x²(2x) - 2x²(3) + 5(2x) - 5(3)
2x²(2x - 3) + 5(2x - 3)
(2x² + 5)(2x - 3)

The answer is B.
8 0
3 years ago
what is the volume of a right cylinder which has a base radius of 14 inches and a height of 2 inches?
azamat
The answer is 28 for the volume
7 0
3 years ago
What is the equation of the line passing through the point (-2,-1) and perpendicular to the line y = 1/2x+5?
uranmaximum [27]

Step-by-step explanation:

the slope of a line is always the factor of x.

here : 1/2

it is the ratio y/x indicating how many units y changes, when x changes a certain angina amount of units when going from one point to another.

a perpendicular slope puts x and y upside-down and flips the sign.

here : -2/1 = -2

so, the equation looks like

y = -2x + b

b is the y-intercept, and we get this by putting the x and y coordinates of the given point into this equation and solve for b :

-1 = -2×-2 + b

-1 = 4 + b

b = -5

the full equation is therefore

y = -2x - 5

3 0
3 years ago
A recent article in the paper claims that business ethics are at an all-time low. Reporting on a recent sample, the paper claims
dedylja [7]

Answer:

The correct solution is "0.127128".

Step-by-step explanation:

The given values are:

p = 0.31

n = 20

Now,

p(8

                     =20C_{9}(0.31)^9\times (0.69)^{11}+20C_{10}(0.31)^{10}\times (0.69)^{10}+20C_{11}\times (0.31)^{11}\times (0.69)^{9}

=0.074955+0.037043+0.015130

=0.127128

5 0
3 years ago
Sushil rolls a fair dice 138 times. How many times would Sushil expect to roll an even number​
dmitriy555 [2]
Since the chance of getting an even number on every roll is 3/6 or 1/2
We have to multiply 1/2 by 138

The answer is 69.

Hope this is correct, and pls correct me if I'm wrong :)
5 0
3 years ago
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