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3 years ago

Of the 68 students on a field trip 17 students bring a camera. What percent of the students bring cameras?

Mathematics

1 answer:

Tamiku [17]3 years ago

3 0

Answer: 25%

Step-by-step explanation:

Given

Total students on a field trip are 68

Out of 68, only brings the camera

The percentage of students that bring the camera is given by

$\Rightarrow \dfrac{17}{68}\times 100\\\\\Rightarrow \dfrac{1}{4}\times 100=25\%$

Thus, only 25% of students bring a camera.

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2 years ago

Please I need help on solving for x

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Answer:

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<h3><u>---------------------</u></h3><h3><u>hope it helps...</u></h3><h3><u>have a great day!!</u></h3>

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3 years ago

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3 years ago

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What’s the answer to the top question and steps how to solve?

Leviafan [203]

Answer:

-3.69

Step-by-step explanation:

Exponential equations can be solved by taking Ln (natural logarithm) of both sides. The rule we need to know is:

$Ln(a^b)=bLn(a)$

Now lets work out this problem:

$16^{2x+3}=13^{x-1}\\Ln(16^{2x+3})=Ln(13^{x-1})\\(2x+3)Ln(16)=(x-1)Ln(13)$

Using calculator, we take the values of Ln 16 and Ln 13 as:

Ln 16 = 2.7726

Ln 13 = 2.5649

Now, we can solve for x:

$(2x+3)Ln(16)=(x-1)Ln(13)\\(2x+3)2.7726=(x-1)2.5649\\5.5452x+8.3178=2.5649x-2.5649\\2.9803x=-10.8827\\x=-3.69$

x is -3.69 (rounded to 2 decimal places)

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3 years ago