3 years ago

What’s the correct answers for blankA and Blank B

Mathematics

1 answer:

zimovet [89]3 years ago

4 0

Answer:

Quadrilateral ABCD does not map onto itself using a reflection because it has 0 lines of symmetry.

Step-by-step explanation:

Remember that a trapezoid has no lines of symmetry.

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Prove that n^2 > 2n + 1 for all natural numbers n >= 3

mafiozo [28]

${n}^{2} - 2n - 1 > 0$
$n = 3 > > 9 - 6 - 1 = 2 > 0$
suppose the following is true

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3 years ago

Simplify the expression. Write your answer as a power.

Dafna11 [192]

Answer:

5002.46412961

Step-by-step explanation:

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3 years ago

7 cups of coffee and 4 pieces of toast cost $20 . 5 cups of coffee and 3 pieces of toast cost $14.50 . find the cost of each ite

Angelina_Jolie [31]

Answer:

Step-by-step explanation:

Bánh mì 1.5 đô

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2 years ago

S(x)= 22x-8 and f(x)= -5. What is s(x) x f(x)?

zloy xaker [14]

-110x+40
You need to use the distributive property for this problem
You multiply 22x times -5 (which is -110x) and -8 times -5 (which is 40) to get -110x+40

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3 years ago

If 10 pencils and 7 erasers cost $4.23 and 3 pencils and 1 eraser cost $0.95, what is the cost of 2 erasers?

QveST [7]

Answer: $0.58

Step-by-step explanation:

Let x represent pencil and y represent eraser

10x + 7y = 4.23 → 1(10x + 7y = 4.23) → 10x + 7y = 4.23

3x + y = 0.95 → -3(3x + y = 0.95) → -21x - 7y = -6.65

-11x = -2.42

÷-11 ÷-11

x = 0.22

3x + y = 0.95

3(0.22) + y = 0.95

0.66 + y = 0.95

y = 0.29

2y = 2(0.29) = 0.58

8 0

3 years ago