3 years ago

Which problem solving strategy would be best to solve this problem?

Mathematics

1 answer:

Reptile [31]3 years ago

6 0

The correct answer is C
Hope this helps:)
:)m

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4 years ago

Which of the following is the same formula as A = 6s2 ?

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3 years ago

Find C.<br> Round to the nearest tenth

andre [41]

Answer:

Step-by-step explanation:

c^2=a^2+b^2-2abcosC

cosC= (a^2+b^2-c^2)/(2ab)

C=arccos[(a^2+b^2-c^2)/(2ab)]

C=arccos(90^2+55^2-50^2)/(2(90)55)

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3 years ago

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3 years ago

The gross federal debt y (in trillions of dollars) for a certain country in year x is approximated by the following equation,

miskamm [114]

Answer: 2008

Step-by-step explanation:

Given : The gross federal debt y (in trillions of dollars) for a certain country in year x is approximated by the equation $y =1.18x +1.58$ , where x is the number of years after 2000.

To find the year in which the federal debt will be $10.68 trillion, we substitute y= 10.68 in the above equation , we get

$10.68 =1.18x +1.58\\\\\Rightarrow\ 1.18x=10.68-1.58\\\\\Rightarrow\ 1.18x =9.1\\\\\Rightarrow\ x=\dfrac{9.1}{1.18}=7.7118644067\approx8$

The required year will be = 2000+8=2008.

Hence, in 2008 the federal debt will be $10.68 trillion.

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3 years ago