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trapecia [35]
3 years ago
14

In ten years, the population of Detroit fell from 950,000 to about 712,500. Find the percent change.

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0

Answer:

25% decrease

Step-by-step explanation:

Percent change can be found by doing difference/original

(950,000 - 712,500) / 950,000

= 0.25

There was a 25% decrease in the population

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I need answer ASAP<br> If f(x) = 2x+1 and g(x) = 3x-2 Find f[g(1)] =
Nadya [2.5K]

Answer:

f[g(1)] = 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 2x + 1

g(x) = 3x - 2

<u>Step 2: Find g(1)</u>

  1. Substitute in <em>x</em>:                    g(1) = 3(1) - 2
  2. Multiply:                               g(1) = 3 - 2
  3. Subtract:                              g(1) = 1

<u>Step 3: Find f[g(1)]</u>

  1. Substitute in g(1):                    f[g(1)] = 2(1) + 1
  2. Multiply:                                   f[g(1)] = 2 + 1
  3. Add:                                         f[g(1)] = 3
7 0
3 years ago
Help on this As SOON AS POSSIBLE PLZ
vovangra [49]

Answer is square root of 39

7 0
3 years ago
Read 2 more answers
PLEASE HELP
VikaD [51]

Answer:

9

Step-by-step explanation:

total parts= 3+7=10

12=4 parts

1 part=3

3*3=9

3 0
2 years ago
Which of the following statements is true?
Vitek1552 [10]

Answer:

B

Step-by-step explanation:

1/9 can be simplified to 1/3 as 1/3 x 1/3 = 1/9  and 49/25 can be simplified to 7/5 as 7/5 x 7/5 = 49/25.

Now looking at both the fraction 1/3 and 7/5

1/3 simplifies to 0.34

It is an irrational value as the 3 keeps repeating.

7/5 simplifies to 1.4

It is a rational value as the decimal value is not repeating.

Thus making the second option the answer.

6 0
2 years ago
Find the value of each variable
kondaur [170]

Answer:

The correct answer is option C

a = 10√3, b = 5√3, c = 15 and d = 5

Step-by-step explanation:

Points to remember

The angles of a right angled triangle, 30°, 60° and 90° then sides are in the ratio, 1: √3 : 2

<u>To find the value of variables</u>

From the figure we can see 2 right angled triangle with angle 30, 60 and 90

we get, d= 5 then b = 5√3

b = 5√3  the c = 5√3 * √3 = 15

and a = 2 * 5√3 = 10√3

Therefore the correct answer is option C

a = 10√3, b = 5√3, c = 15 and d = 5

4 0
3 years ago
Read 2 more answers
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