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olga nikolaevna [1]
3 years ago
15

Calculate the values of the expression below 2 ( 3 (5 + 2) -1)​

Mathematics
2 answers:
Otrada [13]3 years ago
7 0

Answer:

= 40

Step-by-step explanation:

2 ( 3 (5 + 2) -1)

= 2 * 20

= 40

Tema [17]3 years ago
7 0

Answer:

<h2>40</h2>

Step-by-step explanation:

2\left(3\left(5+2\right)-1\right)\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Calculate\:within\:parentheses}\:\left(3\left(5+2\right)-1\right)\:\\\\:\quad 20\\\\=2\times \:20\\\\= 40

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Determine the scale factor for this scale diagram. Is it an enlargement or reduction?
kupik [55]

Answer:

d. C. 4; enlargement

Step-by-step explanation:

Scale factor = Ratio of one of the side length of the scale diagram to the corresponding side length of the original diagram

Side length of scale diagram = 8 units

Corresponding side length of original diagram = 2 units

Thus:

Scale factor = 8/2 = 4

Scale factor = 4

Since it's an while number, it implies that it is an enlargement.

4 0
2 years ago
60 minutes is 20% of<br> minutes.
PilotLPTM [1.2K]

Answer:

60 minutes is 20% of 300 minutes

Step-by-step explanation:

let x be the number of total minutes

60 = 20% of x

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60 = 1/5x

multiply both sides by 5

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3 years ago
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Answer:

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