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dangina [55]
3 years ago
13

help PLZ help me with the work on the picture I need to give it in tommorow I don't know how to do it ;-;

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
3 0
1a) 25/100 so 1/4
1b) 7 billion times .25 is 1,750,000,000
2) 17 divided by 8 is 2.125 times more
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What is 76.3 rounded to the nearest whole number
MatroZZZ [7]
76.
If the number after the decimal is below five, you round down. If the number is above five, you round up. 76 is your answer.
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3 years ago
What is the inverse of the function f(x) = 2x + 1?
timama [110]

Answer:

  (a)  h(x) = 1/2x -1/2

Step-by-step explanation:

The inverse of the function y = f(x) is found by solving x = f(y).

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<h3>setup</h3>

  x = f(y)

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<h3>solution</h3>

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5 0
2 years ago
Read 2 more answers
I need help finding y
denpristay [2]

Answer:

y = 9.8995

Step-by-step explanation:

This question requires the use of basic trigonometry.

In this problem, we know one of the sides and two of the angles.

Since one of the angles is 45 degrees and the sum of all internal angles of a triangle is 180 degrees, the other angle can only be 45 degrees, making this an isosceles triangle - that is, the length of the other leg, x, is also 7.

You could use the soh cah toa mnemonic to figure it out, but here just using the a^2 + b^2 = c^2 should be sufficient since we know both legs of the triangle.

7^2 + 7^2 = 98, and the square root of 98 gives you about 9.8995, which sounds about right for this situation.

Hope this helped!

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3 years ago
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JulijaS [17]

9514 1404 393

Answer:

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Substitute 6 for x in the equation and do the arithmetic.

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8 0
3 years ago
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dybincka [34]

Answer: 90 and 110

Step-by-step explanation:

7 0
3 years ago
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