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4 years ago

FRACTIONS Understanding equivalent fractions

Mathematics

2 answers:

vichka [17]4 years ago

8 0

Shade 2 of the slices because 2/12 = 1/6

wel4 years ago

4 0

Answer:

We must shade 2 slices

Step-by-step explanation:

1/6 = 2/12 (Equivalent fractions)

The circle is divided into 12 parts, so, shade 2 = 2/12

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Abdul buys candy that costs $7 per pound. He will buy at least 9 pounds of candy. What are the possible amounts he will spend on

Elden [556K]

Answer:

63 dollars

Step-by-step explanation:

simple multiplication

5 0

3 years ago

Multiply (x-1)(x³+4x²+4x-1) and combine like terms. Explain how you reached your answer.

Hitman42 [59]

Answer:

x⁴+3x³ -5x +1

Step-by-step explanation:

To multiply this we are going to multiply each term of the binomial by each term of the polynomial.

$(x-1)(x^{3}+4x^{2} +4x-1)\\=x^4+4x^3+4x^2-x -x^3-4x^2-4x+1$

Now we are going to combine like terms (this means we are going to sum up terms with the same exponent)

$x^4+4x^3+4x^2-x -x^3-4x^2-4x+1 = x^4 +(4x^3-x^3)+(4x^2-4x^2)+(-x-4x)+1\\=x^4+3x^3-5x+1$

Thus, the answer is x⁴+3x³ -5x +1

5 0

3 years ago

What is the greatest number which can be made using each of the digits 53147

dem82 [27]

The greatest number you can make is 75431

6 0

4 years ago

716x7 multiply with expanded form

Yanka [14]

Answer:

The expanded form is y=716x7

Step-by-step explanation:

Expanded form or expanded notation is a way of writing numbers to see the math value of individual digits. When numbers are separated into individual place values and decimal places they can also form a mathematical expression. 5,325 in expanded notation form is 5,000 + 300 + 20 + 5 = 5,325.

8 0

3 years ago

The angle of elevation to the top of a 15-story skyscraper is measured to be 4from a point on the ground 2,500 feet from the bui

alexandr1967 [171]

The point of observation is 2500 m away from the foot of the building.

The angle of elevation is 4°.

We need to find the height 'h' of the building.

With respect to 4°,

2500 is the adjacent side.

'h' is the opposite side.

The trigonometric ratio associating opposite & adjacent is tan.

We have

$tan\theta =\frac{opposite}{adjacent}$

$tan4^{o}=\frac{h}{2500}$

Cross multiplying we get

h = 2500 tan4°

h= 174.82 m

Option B) is the right answer.

3 0

4 years ago