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TEA [102]
3 years ago
10

Multiply 640 times 3 using partial products

Mathematics
2 answers:
Leviafan [203]3 years ago
8 0
600×3plus40×3plus0×3=1920
Leno4ka [110]3 years ago
5 0
213r1 or 213.3repeating
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The scale factor for a model is 5cm= m model: 9.5cm actual : 30.5m
MaRussiya [10]

We are given dimensions of model and actual figure.

model: 9.5cm actual : 30.5m.

We need to find the length of actual shape for the scale factor 5cm.

Let us assume actual length be x m.

Let us set a proportion now.

<h3>5 : x = 9.5 : 30.5</h3>

Let us convert proportion into fractions.

\frac{5}{x}=\frac{9.5}{30.5}

On cross multiplying, we get

9.5x = 5× 30.5

9.5x = 152.5.

On dividing both sides by 9.5, we get

\frac{9.5x}{9.5}=\frac{152.5}{9.5}

x=16.05.

<h3>Therefore, the scale factor for a model is 5cm= 16.05 m.</h3>

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3 years ago
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3 years ago
Find the value of angle x ​<br><br><br><br>pls answer
Fiesta28 [93]

Answer:

110

Step-by-step explanation:

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Read 2 more answers
Please Help!!!
marishachu [46]
The second one, and you as well ☺️
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