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2 years ago

6 pencils costs 36 cents. How much do 2 pencils cost?

Mathematics

2 answers:

Yuki888 [10]2 years ago

8 0

Answer:

12 cents

Step-by-step explanation:

36 divided by 6 is 6. 6x2=12

therefore the answer is .12

Nina [5.8K]2 years ago

5 0

Answer:

72 cents

Step-by-step explanation:

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Write as an expression and simplify: The square of the difference of x and 8y

lukranit [14]

Answer:

x² - 16xy + 64y²

Step-by-step explanation:

The difference of x and 8y is x - 8y

The square of the difference is (x - 8y)² = (x - 8y)(x - 8y)

Expand by multiplying each term in the second factor by each term in the first factor, that is

x(x - 8y) - 8y(x - 8y) ← distribute both parenthesis

= x² - 8xy - 8xy + 64y² ← collect like terms

= x² - 16xy + 64y²

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3 years ago

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Reil [10]

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3 years ago

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The height of an equilateral triangle h equals 3√2s where s is the length of a side. Suppose an equilateral triangle is made wit

nirvana33 [79]

Answer:

The correct option is;

B. a. Whole number b. Irrational number

Step-by-step explanation:

The height, h of the equilateral triangle = 3·√2·s

The item by which equilateral triangle is made = 2-inch toothpicks

Therefore, we have;

The sides of the equilateral triangle = Comprises multiples of 2 inches

Therefore, the sides of the equilateral triangle is a whole number

The height of the triangle is the product of the side and (√3)/2

Therefore, the height of the triangle is an irrational number

The correct option is A. a. Whole number b. Irrational number.

A whole number are the positive counting numbers, 0, 1, 2, ..., while an integer includes negative numbers which is not possible for a real triangle.

4 0

2 years ago

On a coordinate grid, both point (1, 2) and point (−3, −3) are reflected across the y-axis. What are the coordinates of the refl

ExtremeBDS [4]

A (-1,2) and (3,-3) :)

7 0

3 years ago

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Cody bought 2 pair of gloves and 4 hats for $43. Tori bought 2 pairs of gloves and 2 hats. Find the prices of the gloves and hat

Nuetrik [128]

Question:

At a sale on winter clothing, Cody bought two pairs of gloves and four hats for $43.00. Tori bought two pairs of gloves and two hats for $30.00. What were the prices for the gloves and hats?

Answer:

Price of one pair of gloves is $ 8.5 and price of 1 hat is $ 6.5

Solution:

Let "g" be the price of one pair of gloves

Let "h" be the price of 1 hat

Cody bought 2 pair of gloves and 4 hats for $43

Therefore, we frame a equation as:

2 x price of one pair of gloves + 4 x price of 1 hat = 43

$2 \times g + 4 \times h = 43$

2g + 4h = 43 ----------- eqn 1

Tori bought two pairs of gloves and two hats for $30.00

Therefore, we frame a equation as:

2 x price of one pair of gloves + 2 x price of 1 hat = 30

$2 \times g + 2 \times h = 30$

2g + 2h = 30

Divide by 2

g + h = 15

g = 15 - h ----------- eqn 2

Let us solve eqn 1 and eqn 2

Substitute eqn 2 in eqn 1

2(15 - h) + 4h = 43

30 - 2h + 4h = 43

2h = 43 - 30

2h = 13

Substitute h = 6.5 in eqn 2

g = 15 - 6.5

Thus price of one pair of gloves is $ 8.5 and price of 1 hat is $ 6.5

6 0

2 years ago