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lord [1]
3 years ago
9

Ok this is needed because ya know homework, go in order pleaseeeeee tyy

Mathematics
1 answer:
Ksju [112]3 years ago
5 0

1. 1/3

2.1/3

3.3/36

this is because probability is equal to favourable outcome/total outcome. in this case, favourable outcome is the outcome that is asked in the question and total outcome is all the possibilities

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What is the completely factored form of 25x4 – 16y2?
erastovalidia [21]

Answer:

(5x^2+4y)(5x^2-4y)

Step-by-step explanation:

25x^4-16y^2 has the form a^2-b^2 known as a difference of squares. It factors into (a+b)(a-b). To find a and b you take the square root.

\sqrt{25x^4} =5x^2

\sqrt{16y^2} =4y

The factored for is (a+b)(a-b).

In this case, it is (5x^2+4y)(5x^2-4y)


3 0
3 years ago
Read 2 more answers
What is the value of k?
yawa3891 [41]

Answer:

<h2>             k = 3</h2>

Step-by-step explanation:

The vertex is (d, e)

for quadratic function: f(x) = ax² + bx + c  we have:

d = -b/a    and    d = (x₁ + x₂)/2  

a = 1,   b = k,   x₁ = -4,    x₂=-2      

so:

d = -b/a = -k/1 = -k   and   d = (x₁ + x₂)/2 = (-4-2)/2 = -3

-k = -3

k = 3

7 0
3 years ago
Can someone help me solve this problems
Anvisha [2.4K]

x = 4 and x = - 9

In both cases the angles inside the parallel lines are same sided interior angles

24x - 1 + 20x + 5 = 180

44x + 4 = 180 (subtract 4 from both sides )

44x = 176 ( divide both sides by 44 )

x = \frac{176}{44} = 4

Similarly

x + 109 + x + 89 = 180

2x + 198 = 180 ( subtract 198 from both sides )

2x = - 18

x = \frac{-18}{2} = - 9


7 0
3 years ago
(x-4) + 34 = -4x I need this answer
mote1985 [20]
The answer would be x= -6
6 0
3 years ago
I need help with this it’s geometry Pythagorean theorem
Trava [24]

Answer:

E)82

Step-by-step explanation:

The formula is

A^2 + B^2= C^2

the two sides that make up the right angle is always A and B

3 0
3 years ago
Read 2 more answers
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