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alexandr1967 [171]
3 years ago
10

12/23+(9 6/8−3 1/4) sorry for asking the same question but I NEED HELP

Mathematics
1 answer:
denpristay [2]3 years ago
4 0

Answer:

\frac{12}{23} + (9 \frac{6}{8} - 3 \frac{1}{4})

<u><em>Exact Form:</em></u><u> </u>

<u />\frac{323}{46}

<u><em>Decimal Form: </em></u>

7.02173913  

<u><em>Mixed Number Form: </em></u>

7 \frac{1}{46}

Step-by-step explanation:

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What is the value of x?<br>​
Nookie1986 [14]

Answer:

  13

Step-by-step explanation:

All the lengths in triangle ADE are twice those in similar triangle ABC. So ...

  x-1 = 2(6)

  x = 13

3 0
3 years ago
I need help with this problem. -1 &gt; -2(x - 4) - 5(4x - 7). I looked at example for this kind of problem and can't finger it o
gregori [183]

If you are looking to solve for x, use the distributive property to expand the inequality and then combine like terms. Once you are able to, isolate x and solve

- 1 >  - 2(x - 4) - 5(4x - 7) \\  - 1 >  - 2x + 8 - 20x + 35 \\  - 1 >  - 22x + 43 \\ 22x > 43 + 1 \\ 22x > 44 \\ x > 2

5 0
3 years ago
(5 points) In the United States, 82% of the population claim English as their mother tongue. Choose a person from the United Sta
kodGreya [7K]

Answer:

0.67

Step-by-step explanation:

The times that I choose a person and it claim english as its mother tongue is a random variable with geometric distribution (in this case, the parameter is p=0.82).

Then:

P(X=2) = (0.82) x (0.82) = 0.6724

5 0
3 years ago
An airplane climbs at an angle of 2.7" from an altitude of 4500 ft to an altitude of 5600 ft. How far does the airplane travel a
Dvinal [7]

Answer:

  23,325 ft, about 4.42 miles

Step-by-step explanation:

The geometry of the situation can be modeled by a right triangle, where the side adjacent to the 2.7° angle of climb is the horizontal distance, and the side opposite is the vertical change in altitude. That change is ...

  5600 ft -4500 ft = 1100 ft

and the angle relation is ...

  tan(2.7°) = opposite/adjacent = (1100 ft)/(horizontal distance)

Multiplying this equation by (horizontal distance)/tan(2.7°) gives ...

   horizontal distance = (1100 ft)/tan(2.7°) ≈ 23,325 ft

Dividing this by 5280 ft/mi gives ...

  horizontal distance ≈ 4.42 mi

The airplane travels about 23,325 ft, or 4.42 miles, horizontally as it climbs.

4 0
3 years ago
PLZZZ CHECK ME<br><br> Is this correct, if not please help me.
Gwar [14]
Hello! For this question, you solve using order of operations, which you probably already have remembered as PEMDAS. Anytime a number is raised to the 0 power, that is equivalent to 1. 0.5^0 is 1. 250 * 1 is 250. x = 0 gives us the answer of 250. Now, let's solve for the number by the second power. 0.5² is 0.25. 250 * 0.25 is 62.5. x² gives us 62.5. Now, let's subtract the two numbers together. 250 - 62.5 is 187.5. Because the number is decreasing, the slope is negative, so the answer is -187.5. Your answer is correct.
5 0
4 years ago
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