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Firlakuza [10]
3 years ago
14

Help me please.

Mathematics
1 answer:
mart [117]3 years ago
5 0

Answer:

∧ABC ≈ ∧PQR  Angle-Angle Similarity Postulate

∧  ABC ≈ ∧  DEF   Side-Side-Side Similarity Postulate

Step-by-step explanation:

You might be interested in
Which key is longer: 5 cm or 2 in.?
ella [17]
2in is longer because if you convert it into cm it would be 5.08cm.

Hope I Helped!
4 0
3 years ago
Evaluate w (-9).<br> w (n) = n2 +5
Artyom0805 [142]

Answer:

w(-9) = 86

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>

w(n) = n² + 6

w(-9) is n = -9

<u>Step 2: Evaluate</u>

  1. Substitute:                     w(-9) = (-9)² + 5
  2. Exponents:                    w(-9) = 81 + 5
  3. Add:                               w(-9) = 86
5 0
3 years ago
Carrie gave her hair stylist a $4.20 tip. The tip was 15% of the cost of the
Wittaler [7]

The total cost of her haircut was 28 dollars

step by step:

(percentage) 15 x 6 = 90

4.20 x 6 =25.2

(perscentage) 15 divided by 3 = 5

4.20 divided by 3 = 1.4

1.4 + 1.4 = 2.8

25.2 + 2.8 =28

4 0
3 years ago
A model of a car has a scale of 3 cm : 2 m. The length of the actual hood of the car is 1 m. What is the length of the hood of t
Lubov Fominskaja [6]
So basically 3cm is the model and 2 m is the actual size. So the hood is 1m so it is half of 2m which means the answer to the question is 1.5cm
6 0
3 years ago
Solve for x. thank you
drek231 [11]

Answer:

8

Step-by-step explanation:

12x+24+8x-4=180degree

=20x+20=180

=20x=180-20

=20x=160

=x =8

7 0
3 years ago
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