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yulyashka [42]
3 years ago
14

Determinati numarul natural de doua cifre pentru care suma dintre numar si rasturnatul sau e patrat perffect, iar diferenta dint

re numar si rasturnatul sau este cub perfect
Mathematics
1 answer:
nasty-shy [4]3 years ago
8 0
Please can you write in english

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If u can do #11 and #12 that would be great but just one would be fine. THANK UUU
12345 [234]

Answer:

x=38

×= 90÷4( divide it to get the answer)

4 0
3 years ago
Gary is 240 page long if you read 40% of the book how many pages did you read
kiruha [24]
240×.40=96
Gary read 96 pages
8 0
4 years ago
Read 2 more answers
Are the vectors u=(2,3) and v=(-6, 4) orthogonal?
katen-ka-za [31]

We need to find dot products of 2 vectors:

u·v = x1*x2 + y1*y2

u·v = 2*(-6) + 3*4 = -12 + 12 = 0

Another way to write dot product u·v = |u|*|v|*cos α.

Because the do product = 0, we can write

 |u|*|v|*cos α = 0.

That means cos α = 0, and thus α=90⁰, so vectors v and u  are orthogonal.


6 0
3 years ago
(+6) + (+4) + (+6) + (+5)<br> simplify
Neporo4naja [7]
Answer: 21

1) simplify 6+4 to 10

10+6+5

2) simplify 10+6 to 16

16+5

3) simplify

21
3 0
4 years ago
35% of salt is in feta cheese. What percentage of salt is in that 350 g cheese?
xxMikexx [17]

The amount of salt is in the 350 g of feta cheese, when there is 35% of salt is in cheese, is 122.5 grams.

<h3>What is percentage of a number?</h3>

Percentage of a number is the part of the whole number which is expressed in the fraction of hundredth. It is represented with "%" symbol.

35% of salt is in feta cheese. The percentage of salt is in that 350 g cheese has to be found out.

Let suppose there is x grams of slat in feta cheese of 350 g. Thus, the amount of salt (35% of 350) is,

x=\dfrac{35}{100}\times350\\x=122.5\rm\; gm

Thus, the amount of salt is in the 350 g of feta cheese, when there is 35% of salt is in cheese, is 122.5 grams.

Learn more about the percentage here;

brainly.com/question/2085058

#SPJ1

5 0
2 years ago
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