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Debora [2.8K]
3 years ago
7

I have sons but no daughter ,each of my sons has twice as many brothers as he has children . each of my sons has same no of chil

dren each of my grand children has many cousins as uncle. how many grand children do I have ?
​
Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

Step-by-step explanation:

keeping track of family relations can be difficult. If Edna marries your mother’s uncle Charlie, what should you call her? If your father’s cousin’s daughter just had a baby boy, how should you two be introduced? Who is your “great great aunt”, and how can you find your “first cousin twice removed”? Fortunately, a bit of mathematical logic can clarify who should be called what, and why – and even measure the degree of genetic similarity between different relatives.

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Arrange these numbers from least to greatest: 2 over 5 comma text   end text − 3 over 7 comma text end text 2 over 3.
olga_2 [115]
3 over 7, 2 over 5, 2 over 3 so your answer is b. this is the correct answer I think because1/2 equals one half 2/2 equals 1 whole hope you understand what I meanunderstand what I mean
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3 years ago
What is 40 percent of 9999
noname [10]
40 percent is .4

.4 * 9999= 3999.6
4 0
2 years ago
Which trinomials are perfect square trinomials?
taurus [48]
You can know a perfect square trinomial:

i) if the coefficient of a² = 1.

ii) If you divide the middle number coefficient by 2 and you square it you get the last term.

Take for example the first option: 

For all the options, the coefficient of a² = 1

a² + 4a + 16.

Coefficient of a = 4.
4/2 = 2
2² = 4, this does not equal the last term so it is not a perfect square trinomial.


a² + 14a + 49.

Coefficient of a = 14.
14/2 = 7
7² = 49, this is equal the last term so it is a perfect square trinomial.
And the perfect square is (a +7)²


Similarly if you test the last option.

a² + 26a + 169.

Coefficient of a = 26.
26/2 = 13
13² = 169, this is equal the last term so it is a perfect square trinomial.
And the perfect square is (a +13)²

So the only two options are: a² + 14a + 49 and a² + 26a + 169.

Other options do not pass this test.
3 0
3 years ago
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Sheila needs to hire a baby sitter for the evening.
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Answer: The answer is 21

5 0
3 years ago
Consider that the system has infinitely many solutions. Which choice is the coefficient of y in the second equation? 5x + 10y =
erastovalidia [21]
ANSWER

The coefficient of y is
2

EXPLANATION


The first equation is
5x + 10y = 15
We can rewrite this equation in the slope intercept form to get,


10y =  - 5x + 15

We divide through by 10 to get,


y =  -  \frac{1}{2} x +  \frac{3}{2}

The slope of this line is
- \frac{1}{2}

and the y intercept is
\frac{3}{2}


Let
a
be the coefficient of y in the second equation.

Then, we have

x + ay = 3


We rewrite this equation too in slope intercept form to get,

ay =  - x + 3

Dividing through by
a

gives,

y =  -  \frac{1}{a} x +  \frac{3}{a}


For the two equations to have infinitely many solution, then they must have the same slope and y intercept.


This means, that,


-  \frac{1}{a}  =   - \frac{1}{2}

This implies that

a = 2

Therefore the coefficient of y must be 2.
3 0
3 years ago
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