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IceJOKER [234]
3 years ago
15

A school ends the year with 651 students. This is a 5% increase from the start of the school year.

Mathematics
2 answers:
alisha [4.7K]3 years ago
6 0

651-n/n=0.05

the amount of change/original amount=percent change as a decimal

Jet001 [13]3 years ago
5 0
ANSWER:

n = 1.05n divided by 105 times 100

OR

n = (the number of students at the END of the school year) divided by 105 times 100

WORKING OUT:

1.05n = 651 students
1n = 651/105 times 100 = ANSWER
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Solve the system of equations by the substitution method.
marishachu [46]

Answer:

B. There is no solution.

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

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination
  • Solving systems of equations by graphing

Step-by-step explanation:

<u>Step 1: Define systems</u>

y = x + 9x + 5

y = -x + 11x + 29

<u>Step 2: Simplify systems</u>

y = 10x + 5

y = 10x + 29

<u>Step 3: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                              10x + 5 = 10x + 29
  2. Subtract 10x on both sides:          5 ≠ 29

Here we see that 5 does not equal 29.

∴ The systems has no solutions.

<u>Step 4: Graph systems</u>

<em>Check the solution set (if applicable).</em>

We see that the 2 lines are parallel and will never intersect. Therefore, this proves that our systems has no solution.

5 0
3 years ago
Find the interest rate if $11200 has
Dima020 [189]

Answer:

9.3%

Step-by-step explanation:

Given data

Principal=$11200

Futute value= $14345

Time= 3years

The simple interest expression is given as

A=P(1+rt)

substitute

14345=11200 (1+r*3)

14345=11200+r33600

14345-11200=r33600

3145=r33600

r= 3145/33600

r=0.093

Hence the rate is 9.3%

3 0
3 years ago
You borrow $10,000 to buy a carThe simple interest rate is 3%. You pay the loan oft after 6 years. What is the total amount you
UkoKoshka [18]

Answer:

Step-by-step explanation:

Amount loaned = $10,000

Interest rate = 3%

Duration = 6 years

10,000 / 100 x 3/1 × 6

= 300 × 6

= 1800 + 10,000

Total Amount to pay

= $11,800

8 0
4 years ago
Find the area of the trapezoid.
Bogdan [553]
I think the answer is 19.5 units^2
4 0
4 years ago
In a recent poll a random sample of adults in Texas was asked whether they supported a proposed tax increase the complete result
-Dominant- [34]

Answer:

\% = 53.8 \%

Step-by-step explanation:

Given

Yes = 483

No = 807

Maybe = 210

Required

Determine percentage of "No"

First, we need to determine the total population

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Total= 1500

Percentage of No is then calculated as follows:

\% = \frac{No}{Total} * 100\%

\% = \frac{807}{1500} * 100\%

\% = \frac{80700}{1500} \%

\% = 53.8 \%

6 0
3 years ago
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