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3 years ago

Surface area formula

Mathematics

2 answers:

Stells [14]3 years ago

6 0

Use: SA=2lw+2lh+2hw to find the surface area

Simora [160]3 years ago

5 0

Here’s the surface area formulas for different shapes

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Please help .thanks

Yuki888 [10]

Answer:

2 and 1/5 is greater than 2.15

Step-by-step explanation:

This is true because 1/5 is equal to .20 which is greater than .15

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2 years ago

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Pls helpppppp anyoneeee

defon

Answer:

Step-by-step explanation:

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3 years ago

Tell whether the triangles are similar or not.

Colt1911 [192]

Answer: Are

Explaning

I think they are similiar because there is parralel lines they are perpendicular and opposite angles are equal making 25 = its oppisite side

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2 years ago

You and your friend share a paper route. You can deliver 4 papers in one minute and your friend can deliver 3 papers in one minu

nadezda [96]

Answer:

$n\times \frac{1}{4}+(75-n)\times \frac{1}{3}$

Step-by-step explanation:

Given that:

4 papers are delivered by first person in one minute.

Rate of delivering one paper

Time taken to deliver one paper can be calculated by the formula:

$\dfrac{\text{Total Time taken}}{\text{Number of papers delivered}}$

Time taken to deliver one paper by first person = $\frac{1}{4}$

3 papers are delivered by second person in one minute.

Time taken to deliver one paper by second person = $\frac{1}{3}$

Total number of papers = 75

Number of papers delivered by first person = $n$

So, number of papers delivered by second person = ( $75-n$ )

Time taken to deliver $n$ newspapers = Number of newspapers delivered <em>multiplied by </em>Time taken to deliver one newspaper

Time taken by first person = $n\times \frac{1}{4}$

Time taken by second person = $(75-n)\times \frac{1}{3}$

So, Total time taken can be written as:

$n\times \frac{1}{4}+(75-n)\times \frac{1}{3}$

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2 years ago

PLS helpppppppp !! ..........

lara31 [8.8K]

The answer is B 78.5 is the the answer

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2 years ago

Read 2 more answers