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Ira Lisetskai [31]
3 years ago
5

An airplane descends 2.2 miles to an elevation of 6.75 miles find the elevation of the plane before its descent

Mathematics
2 answers:
evablogger [386]3 years ago
5 0

Answer:

  • 8.95 miles

Step-by-step explanation:

Let the initial elevation is x.

<u>An airplane descends 2.2 miles to an elevation of 6.75:</u>

  • x - 2.2 = 6.75
  • x = 6.75 + 2.2
  • x = 8.95
mrs_skeptik [129]3 years ago
4 0

Answer: 8.75 miles

Explanation: this is simple, just add the descending variable to the current elevation to get the previous elevation.

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nadezda [96]

Answer:

43

78

56

Step-by-step explanation:

3 0
3 years ago
Evaluate \dfrac{e}{4}+2f-3
Igoryamba

Answer:

The value of given expression is 1.

Step-by-step explanation:

Consider the given expression is

\dfrac{e}{4}+2f-3

When e=12 and f=\dfrac{1}{2}.

Substitute e=12 and f=\dfrac{1}{2}  in the given expression.

\dfrac{12}{4}+2(\dfrac{1}{2})-3

On simplification we get

3+1-3

1

Therefore, the value of given expression is 1.

8 0
3 years ago
What formula could I use to solve this ?<br> Using f(x) =-3+7 <br> What is x when f(x) = -20
UNO [17]

Answer:

x = 9

Step-by-step explanation:

I think you wrote the question wrong (I am assuming that there is a x next to the -3).

Subtract 7

-27 = -3x

divide by -3

9 = x

5 0
3 years ago
PLEASE NEED HELP ASAP TYTY I WILL BE GIVING THANKS!
garri49 [273]

Answer:

B. 112°

Step-by-step explanation:

4x -4 = (3x+4) + (2x-44)

4x -4 = 5x - 40

5x - 4x = -4 + 40

x = 36

∠BCA = 3 * 36 + 4 = 112

4 0
3 years ago
Please help me! I will give brainliest and 50 points if all correct!
miss Akunina [59]

Answer:

10. ○\displaystyle 4,85; 4\frac{17}{20}

9. ○680%

8. ○40%

7. ○\displaystyle 60

6. ○0,4, 40,5%, 11⁄25, 4⁄9

5. ○\displaystyle 0,928

4. ○1%

3. ○76%

2. \displaystyle See\:above\:grid

1. \displaystyle See\:above\:grid

Step-by-step explanation:

10. To convert from a percentage to a decimal, move the decimal mark twice to the left; each 20 is worth 5, and since 5 by 17 is 85, you have your fractional part of 17⁄20, then attach the whole number of 4.

9. To convert from a mixed number\improper fraction to a percentage, first evaluate the fractional part for a decimal answer, then move the decimal mark twice to the <em>right</em>.

8. To convert from a fraction to a percentage, evaluate the fraction for a decimal answer, then move the decimal mark twice to the right.

7. \displaystyle \frac{132}{220} = \frac{3}{5} =60%

Greatest Common Divisor [GCD]: 44

6. \displaystyle \frac{11}{25} =44%

_

\displaystyle \frac{4}{9} =44,4%

\displaystyle 0,4 =40%

Now that these are all percentages, it is alot easier to order them from least to greatest.

5. To convert from a percentage to a decimal, move the decimal mark twice to the <em>left</em>.

4. To convert from a decimal to a percentage, move the decimal mark twice to the <em>right</em>.

3. Each 25 is worth 4, and since 4 by 19 is 76, you get 76%.

2. Each 25 is worth 4, and since 4 by 6 is 24, you get 24%, and this graph.

1. Each 36 is worth 2 7⁄9, and since 12 by 2 7⁄9 is 33⅓, you get 33⅓%, so you would choose this answer.

I am joyous to assist you anytime.

8 0
3 years ago
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