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4 years ago

The area of a triangle is 56.4cm and the base is 12cm.What is the height of the triangle?

Mathematics

1 answer:

ale4655 [162]4 years ago

7 0

area of a triangle = 1/2 base x height

56.4 = 1/2 x 12 x height

56.4 = 6 x height

height = 56.4 /6 = 9.4cm

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Peter's salary is twice Anne's salary and half of David's salary. Then the average salary of Anne and David is _ of Peter's sala

satela [25.4K]

<h3><u>Answer:</u></h3>

Average of salary of Anne and David is 1.25 of Peter's Salary

<h3><u>Explanation:</u></h3>

In the question, relations between salaries of Peter, Anne, and David is given. From the given relations, we need to make few equations and calculate the average of Anne and David in terms of Peter's Salary.

Let us assume Peter's Salary as P.

Then we can calculate Anne's salary A = $\frac{P}{2}$ .

Also David's salary = D = $2 \times P$

Average of Anne's and David's salary = $\frac{A+D}{2}$

Average of Anne's and David's salary = $\frac{\frac{P}{2} + 2 \times P}{2}$

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Average = 1.25 \times P

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3 years ago

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hoa [83]

Answer: cos A=4/5

Step-by-step explanation:

soh, cah, toa

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32/40 simplifies to 4/5

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3 years ago

(x) = 2x - 5, then f(4) is _____.17 5 4 3

Vlad1618 [11]

Answer:

Step-by-step explanation:

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3 years ago

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erastova [34]

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3 years ago

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Two numbers are in the ratio of 4:9. If the larger number is 35 more than the smaller number, then product of the number is?

kherson [118]

Answer:

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Step-by-step explanation:

Let x = small number

Let y = large number

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x/y=4/9

y=x+35

x/(x+35)=4/9

x=4/9x+4/9(35)

x-4/9x=140/9

5/9x=140/9

x=28

y=28+35

y=63

product of 2 numbers

28x63=1764

5 0

3 years ago