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3 years ago

8

A scale for a scale drawing is 10 cm:1 mm. Which is larger, the actual object or scale drawing? Explain.

2 answers:

bogdanovich [222]3 years ago

5 0

I'm not sure if that's exactly what you mean, but if the scale of the drawing is 10cm:1mm, it means that 10cm of the drawing represents 1mm of the actual object. So the scale drawing is bigger than the object.

Marysya12 [62]3 years ago

4 0

The <u>correct answer</u> is:

The scale drawing is larger.

Explanation:

A scale for a scale drawing is written as a ratio in the form
(scale size):(actual size).

For example, on a map you may have a scale that says 1 in: 2 mi. This means that 1 inch on the scale is equal to 2 miles on the map.

The scale for this problem is 10 cm: 1 mm. This means that 10 cm on the scale drawing represents 1 mm on the actual object.

10 cm is larger than 1 mm, so the scale drawing is larger.

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Step-by-step explanation:

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dusya [7]

Answer:

k = 4

Step-by-step explanation:

Given equation:

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navik [9.2K]

Answer:

1126

Step-by-step explanation:

<u>Given formula</u>:

$P_{n+1}=k(P_n+60)$

Given information:

$\textsf{Let }P_1 = \textsf{Population on March 1st 2016} =500$
$\textsf{Let }P_2 = \textsf{Population on March 1st 2017} =672$

Substitute these values into the formula and solve for k:

$\begin{aligned}P_{n+1} & = k(P_n+60)\\\implies P_2 & = k(P_1+60)\\672 & = k(500+60)\\672 & = 560k\\k & = \dfrac{672}{560}\\k & = 1.2\end{aligned}$

Substitute the found value of k into the formula:

$P_{n+1}=1.2(P_n+60)$

If:

P₁ = Population on March 1st 2016
P₂ = Population on March 1st 2017

Then:

P₃ = Population on March 1st 2018
P₄ = Population on March 1st 2019

Use the formula and the value of P₂ to find P₃ and P₄.

$\begin{aligned}P_{3} & =1.2(P_2+60)\\& = 1.2(672+60)\\& = 878.4\end{aligned}$

$\begin{aligned}P_{4} & =1.2(P_3+60)\\& = 1.2(878.4+60)\\& = 1126.08\end{aligned}$

Therefore, the prediction for the population on 1st March 2019 is 1126 tadpoles (nearest whole number).

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