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Vadim26 [7]
3 years ago
9

2 5/16 divided by 7/8

Mathematics
2 answers:
Schach [20]3 years ago
5 0

In order to get the answer to this question you will have to use KCF. (Keep, Change, Flip) Then, multiply reducing if needed then convert the fraction into a mixed number to receive your answer.

2\frac{5}{16} \div\frac{7}{8}

2\frac{5}{16} =\frac{32}{8}

\frac{32}{8} \div\frac{7}{8}

Use KCF:

\frac{32}{8} \times\frac{8}{7}

32\times8=256

8\times7=56

= \frac{256}{56}

Reduce:

\frac{256}{56} \div2=\frac{32}{7}

Convert into mixed number:

32\div7=4=4\frac{4}{7}

=4\frac{4}{7}

Therefore your answer is "4 4/7."

Hope this helps.

katovenus [111]3 years ago
4 0

Answer:

Step-by-step explanation:

2.64285714286

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Answer:

y= 4x -6

Step-by-step explanation:

you write the equation by finding the y-intercept (what y is when x is 0) and then find the slope. slope is rise/run (or y-value over x-value) so you count how you get from the first number of the table, to the second number (for both top and bottom) with the x-values they go up by 1 every time, and with the y-values they go up by 4 every time. so put it as rise/run which would be 4/1 and then simplify, so it's 4. and then you plug the slope and y-intercept into the equation y=mx+b (m is slope and b is y-intercept) and you get:         y=4x-6

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Solve the inequality.<br> -2c-7-9<br> Enter the correct answer
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Step-by-step explanation:

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--> -2c-16

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Step-by-step explanation:

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3 years ago
Use the exponential function y=500(.9)^x to find the value of the video game console after 4 years.
zysi [14]

Answer:

328.05 dollars

7 years

Step-by-step explanation:

1.

y=500(.9)^4 =328.05

What is being asked in the problem and what does that mean?

We are asked to the price of the video game after 4 years.

What do I know and what does it mean? What plan am I going to try?

We know the <u>initial price is $500</u>, the <u>value depreciates 10% each year </u>because we have .9 or 90% of the price going into the next year.

- value of the video game after first year 90% of 500 so is 450

- value of the video game after second year 90% of 450 so is 405

-value of the video game after third year 90% of 405 so is 364.5

-value of the video game after <u>fourth year</u> 90% of 364.5 so is 328.05

The plan is to substitute x with 4 and calculate y, y=500(.9)^4

What is your answer and what does it mean?

The answer is $328.05, and it means that the video game that was initially worth $500 it lost its' value by 10 % each of the four years.

2.

         y= 500(.9)^x

----------------------------------------------------------------------------

x =8, y= 500(0.9)^8 = 215.234 ≈215.23, this is less than $250

x = 7, y= 500(0.9)^7 = 239.148 ≈239.15, this is less than $250

x =6, y= 500(0.9)^6 = 265.721 ≈ 265.72, this is more than $250

What is being asked in the problem and what does that mean?

We are asked to find the value of x that represents the years such that the value of the console is still under $250.

What do I know and what does it mean? What plan am I going to try?

We know the value of y has to be less that $250, we know the inequality

[500(.9)^x ] < 250, the plan is to try different values for x until we have the maximum value of x that gives us less than 250.

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Answer:

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Step-by-step explanation:

Use the pythagorean theorem (a^2+b^2=c^2). A and b are the two legs of the triangle, and c is ALWAYS the hypotenuse. Plug in the values for a and c

a^2+b^2=c^2

5^2+b^2=13^2

25+b^2=169

b^2=144

b=12

6 0
3 years ago
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