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gavmur [86]
2 years ago
7

The value of Maggie’s car decreased by 20% since last year when she bought it if the car is not worth 21,000 how much was the ca

r worth when she bought it
Mathematics
1 answer:
leonid [27]2 years ago
6 0

Answer:

Step-by-step explanation:

You would do 21,000×0.20, which equals 4,200. Since 4,200 equals 20% of 21,000, then you would do 21,000-4,200, which equals 16,800. So the car is worth $16,800 dollars this year.

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The ratio of dogs to cats being treated at a veterinarian's office this week is 5 : 2. Suppose there are 168 dogs and cats sched
Alexeev081 [22]

Answer:

48 cats

Step-by-step explanation:

Am interesting factoid about ratios:

The ratio a:b can be separated into fractional parts of \frac{a}{a + b} and \frac{b}{a + b}. We need to know the cat part. \frac{2}{5 + 2} = \frac{2}{7}, so that is the fraction part. Then, we multiply this fraction by 168 to get the total number of cats. This number is 48.

4 0
2 years ago
What is 5x + 12 < 2 ?
Masja [62]

Answer:

x < -2

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>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify.</em>

5x + 12 < 2

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

  1. [Subtraction Property of Equality] Subtract 12 on both sides:                       5x < -10
  2. [Division Property of Equality] Divide 5 on both sides:                                 x < -2
5 0
2 years ago
Read 2 more answers
Need help show work??????
o-na [289]

Answer:

The t-shirt cost $10.70

Step-by-step explanation:

12.25 + T = 22.95

-12.25          -12.25

T=10.70

8 0
3 years ago
In a class of 40 students, 20% are females. How many males are in the class?​
Vadim26 [7]

Answer:

In a class of 40 students, 20% are females. How many males are in the class?​

ANSWER

= 32

6 0
2 years ago
Read 2 more answers
Find the area of the composite figure.<br> O 48 units<br> 52 units<br> 40 units<br> 44 units
siniylev [52]
48 units should be correct
5 0
3 years ago
Read 2 more answers
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