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Vinil7 [7]
4 years ago
10

Como medir la altura de un arbol usando el teorema de thales

Mathematics
1 answer:
zaharov [31]4 years ago
5 0

Answer:

????

Step-by-step explanation:

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Help plsss anyone help plsss
Ivanshal [37]

Answer:

\frac{1}{70}

Step-by-step explanation:

P(gold) = \frac{gold}{total} = \frac{5}{350} = \frac{1}{70}

3 0
3 years ago
Read 2 more answers
In the equation below, for what value of c does x = 4?<br> 1 / (2x + 4) = 3x-c
rodikova [14]

Answer:

Option D.

Jenn's answer is not correct. She got it substituting c=4 into the equation and solving for "x".

Step-by-step explanation:

Given the following equation:

\frac{1}{2}(2x + 4) = 3x-c

Since you need that x=4, you hace to substitute that value into the equation:

\frac{1}{2}(2(4) + 4) = 3(4)-c

Now you need to solve for "c":

\frac{1}{2}(8 + 4) = 12-c\\\\\frac{12}{2}= 12-c\\\\6=12-c\\\\c+6=12\\\\c=12-6\\\\c=6

Therefore for a  a value of c=6, you get x=4

Then, the you can identify that the correct answer is the one given in the Option D.

Jenn made a mistake, because she substituted c=4 into the equation and then solve for "x":

\frac{1}{2}(2x + 4) = 3x-(4)\\\\x+2=3x-4\\\\2+4=3x-x\\\\6=2x\\\\\frac{6}{2}=x\\\\x=3

3 0
3 years ago
Can 5,14,12 form a right triangle
liubo4ka [24]

Answer: Yes! These numbers can form a right triangle.

Step-by-step explanation: Make 5=a, 14=b, and 12=c.

Add a and b to be less than c. Then, b and c to be greater than a, and a and c to less than b. Do they all add up to be greater or less than? Yes they do!

7 0
3 years ago
Chan receives a bonus from his job. He pays 30% in taxes, gives 30% to charity, and uses another 15% to pay off an old debt. He
charle [14.2K]

Answer:

Chan's Bonus amount was $2400.

Step-by-step explanation:

Let the Total amount receive from bonus be 'x'.

Given:

Chan pays 30% in taxes;

So we can say;

Amount paid in taxes will be equal to 30% of total amount receive

framing in equation form we get;

Amount paid in taxes = \frac{30}{100}x=0.3x = 0.3x

Now Given:

Chan pays 30% in Charity;

So we can say;

Amount paid in charity will be equal to 30% of total amount receive.

framing in equation form we get;

Amount paid in Charity = \frac{30}{100}x=0.3x

Also Given:

Chan pays 30% in old debts;

So we can say;

Amount paid in Old debts will be equal  30% of total amount receive

framing in equation form we get;

Amount paid in Old debts = \frac{15}{100}x=0.15x

Money left with him = $600

Now we can say that Total Amount Receive in bonus will be equal to Amount paid in taxes plus Amount paid in charity plus Amount paid in old debts plus amount left.

framing in equation form we get;

x=0.3x+0.3x+0.15x+600\\\\x= 0.75x +600\\\\x-0.75x=600\\\\0.25x=600\\\\x=\frac{600}{0.25} = \$2400

Hence Chan's Bonus amount was $2400.

7 0
4 years ago
Can someone help me with this, please! I would really appreciate it if you do! I'm a little confused!
Dmitry_Shevchenko [17]
What is the w supposed to represent? i know that the first box should be $9 and the second one should be $22.50. not sure for the last one. also do you like my 80085?
8 0
3 years ago
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