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Marina CMI [18]
3 years ago
14

While shopping with your friend, Rory, you remember you have a coupon for 10% off any item. The thing you want is $100 and it is

on sale for 15% off. Rory tells you that if you use your coupon, you will get 25% off the original price. Is Rory correct? How much will the item cost you after getting both discounts?
Mathematics
1 answer:
Fofino [41]3 years ago
8 0

Answer:

it is b i did it on eg 2020

Step-by-step explanation:

You might be interested in
6. If n (E) = 40, n (A) = 22, n (ANB) = 8 and n ((AUB)') = 6, determine n(B)​
Dimas [21]

Answer:

4

Step-by-step explanation:

First n(AUB)=n(E) - n((AUB)')

So n(AUB) = 40 - 6 = 34

Now all u hv to do is use the formulae,

n(AUB) = n(A) + n(B) - n(ANB)

So when u substitute above values,

34=22 + n(B) - 8

So,

n(B) = 4

4 0
3 years ago
PLSSS HELP MEE SHOW UR WORK!!
kumpel [21]

Answer:

(-3, 13)

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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

y = -4x + 1

11y = x + 146

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                                                                                                  11(-4x + 1) = x + 146
  2. Distribute 11:                                                                                                      -44x + 11 = x + 146
  3. [Addition Property of Equality] Add 44x on both sides:                                11 = 45x + 146
  4. [Subtraction Property of Equality] Subtract 146 on both sides:                      -135 = 45x
  5. [Division Property of Equality] Divide 45 on both sides:                              -3 = x
  6. Rewrite/Rearrange:                                                                                          x = -3

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

  1. Define original equation:                                                                                 y = -4x + 1
  2. Substitute in <em>x</em>:                                                                                                 y = -4(-3) + 1
  3. Multiply:                                                                                                           y = 12 + 1
  4. Add:                                                                                                                    y = 13
6 0
3 years ago
There are 20 bucks on the summer reading list how many different ways can you choose one per week for six weeks
eduard

Answer:

There would be 120 different ways

Step-by-step explanation:

20×6=120

6 0
2 years ago
Read 2 more answers
4000 is 1/10 as much as what number
crimeas [40]
40,000

All you do is multiply 4,000 by 10 to find out what 10 times of your number is, if 4,000 is only 1/10 of it.
6 0
3 years ago
Is the graph increasing, decreasing, or constant?
Tanzania [10]

th graph is increasing I'm pretty sure

4 0
2 years ago
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