2 years ago

Use the distributive property and the diagram to match an expression that is equivalent to 12+4x.

Mathematics

1 answer:

Ket [755]2 years ago

8 0

4(3+x)

This is because 4*3=12 and 4*x is 4x so you get 12+4x which is the original equation

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Two different sizes of square metal duct are joined by a piece that is a frustum of a pyramid. Find the lateral surface area, if

Allisa [31]

Answer:

288 in²

Step-by-step explanation:

The formula used to solve this question is :

Lateral Surface Area = s( P1 + P2)

Where s = slant height = 2 inches

P1 and P2 = Perimeter of the bases

Perimeter of base 1 = 4 × length of the end of the small square

4 × 17 inches = 68 inches

Perimeter of base 2 = 4 × length of the end of the large square

4 × 19 inches = 76 inches

Lateral Surface Area = 2 × (68 + 76)

= 2 × 144

= 288 in²

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2 years ago

Expanded form for 1.7

Verdich [7]

One and seven tenths

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2 years ago

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frosja888 [35]

Answer:

106.25

Step-by-step explanation:

y = 85(1.25) = 106.25

I'm not sure how to show the work, i just put it into a calculator

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2 years ago

Use a standard inch ruler to answer this question

Elina [12.6K]

Huh?

You forgot something.

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2 years ago

(a) Find the perimeter of the shape below. (Take π = 22/7) 3cm 3cm 12cm 20cm

MariettaO [177]

Try 20cm

it’s correct

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2 years ago