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Step2247 [10]
2 years ago
8

X²+8x-16 by factorising method what is the ans pls I need it fast ASAP​

Mathematics
1 answer:
ch4aika [34]2 years ago
8 0

Answer:

this cannot be factored since nothing shares factorable groups/values

Step-by-step explanation:

hope this helps:)

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Which is an irrational number?<br> 1-31<br> 0.6<br> My Progress &gt;
Natalka [10]

Answer:

a non repeating or non terminating decimal but not as a fraction, the decimal goes on forever without repeating.

EXAMPLES: Phi, pi and the square root of any prime number are irrational numbers.

Step-by-step explanation:

4 0
2 years ago
PLZ EXPLAIN , I WANT TO KNOW HOW TO DO
Phantasy [73]
Make sure you know the formula pertaining to the question. 

1. c=2(pi)(r)
2. c=2(pi)(d)

r= radius 
d= diameter
c= sircumference

So we are given that the circumference of a circle is 12.3pi and the radius is unknown. 

So let's plug in the known values 

**we use the formula with the radius, becuase we are looking for the radius. 

c=2(pi)(r)
12.3(pi)=2(pi)(r)

divide each side by pi

12.3=2(r)

divide each side by 2

r=6.15 in. 
4 0
3 years ago
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TiliK225 [7]
What can i help you with?
4 0
3 years ago
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A bottle contains 20 blue bags and 15 red bags. If two bags are picked at random one after the other with replacement, what is t
babymother [125]

Answer:

<h2> 12÷49</h2>

Step-by-step explanation:

The total number of bags in the bottle = 20 + 15 = 35

Then

the probability that the first bag is blue = 20/35

If we replace the first bag :

the probability that the second (picked) bag is blue = 15/35

Conclusion:

If two bags are picked at random one after the other with replacement

Then

the probability that the first bag is blue and then red is :

(20÷35)×(15÷35)

= (4÷7)×(3÷7)

= 12÷49

= 0.244897959184

7 0
2 years ago
What is the surface area of the rectangular pyramid below?
mezya [45]

Answer:

  A.  675 units²

Step-by-step explanation:

The formula for the surface area of a square pyramid is ...

  A = s(s +2h)

where s is the side length of the base, and h is the slant height of a face.

__

<h3>use the formula</h3>

The given pyramid has s=15 and h=15, so the surface area is ...

  A = (15)(15 +2×15) = 15(45) = 675 . . . square units

3 0
2 years ago
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