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3 years ago

N is prime given that it has 2 digits

Mathematics

1 answer:

rjkz [21]3 years ago

8 0

Minimum 11, Maximum 97

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How many different triangles can be constructed with three sides each measuring 5 cm

Marianna [84]

Answer:

only one triangle can be constructed with three sides each measuring 5cm

Step-by-step explanation:

6 0

3 years ago

How can solve this ???

poizon [28]

Answer: $11,808

<u>Step-by-step explanation:</u>

2011 - 1995 = 16

418t + 5120

= 418(16) + 5120

= 6688 + 5120

= 11,808

5 0

3 years ago

HELP ASAP PLEASE!!!!!!!!

stira [4]

Answer:

b) in the fourth round, there was one team left in the tournament.

c) no because with only one team left, the tournament ends.

3 0

3 years ago

Please Help!!

Genrish500 [490]

Given

$a\sqrt{x+b}+c=d$

we have

$\sqrt{x+b}=\dfrac{d-c}{a}$

Squaring both sides, we have

$x+b=\dfrac{(d-c)^2}{a^2}$

And finally

$x=\dfrac{(d-c)^2}{a^2}-b$

Note that, when we square both sides, we have to assume that

$\dfrac{d-c}{a}>0$

because we're assuming that this fraction equals a square root, which is positive.

So, if that fraction is positive you'll actually have roots: choose

$a=1,\ b=0,\ c=2,\ d=6$

and you'll have

$\sqrt{x}+2=6 \iff \sqrt{x}=4 \iff x=16$

Which is a valid solution. If, instead, the fraction is negative, you'll have extraneous roots: choose

$a=1,\ b=0,\ c=10,\ d=4$

and you'll have

$\sqrt{x}+10=4 \iff \sqrt{x}=-6$

Squaring both sides (and here's the mistake!!) you'd have

$x=36$

which is not a solution for the equation, if we plug it in we have

$\sqrt{x}+10=4 \implies \sqrt{36}+10=4 \implies 6+10=4$

Which is clearly false

7 0

3 years ago

How do i express 11/20 as a percent??

Reptile [31]

So since a percent is out of 100 you would put 11/20 and right an equal sign next to that and the bottom fraction would be x/100. Then you would find the relationship between 100 and 20. 20 times 5 is 100 so then 11 times 5 is 55. 55% is your answer

3 0

3 years ago

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