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muminat
3 years ago
7

18=3[x-1] step by step

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0
18=3(x-1)
18=3x-3
18-3=3x
15=3x
15/3=x
x=5

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Fill in the blanks to make the equation true.<br><br> 9/4 × 1 = 9/4 × ? = 45/20
Temka [501]

Answer:

?=5/5

Step-by-step explanation:

9x5=45

4x5=20

8 0
2 years ago
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**At noon the minute and the hour hands overlap. When will it happen next?
Svetllana [295]

Answer: At 01:05 p.m. it will overlap again.

Explanation:

Since there are 22 times in a day the minute and the hour hands overlap.

During the first half of the day , it overlaps 11 times and during the rest of the day it overlap 11 more times.

At noon, the minute and the hour hands overlap and after that it will happen at 01:05 p.m.

Since the minute hand completes a full circle in one hour, so it forms 6 degrees per minute .

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3 years ago
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Understand?
5 0
3 years ago
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Express 0.0057 in scientific notation
andrew-mc [135]

Answer:

5.7 \times  {10}^{ - 3}

Step-by-step explanation:

0.0057

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then the rest

7

equal

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\times  {10}^{ - 3}

final answer

5.7 \times {10}^{ - 3}

another example and it will be clear

0.0000403

first number

4

then the rest

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equal

4.03

There's <u>five</u> zeros <u>behind</u> the number 4 which mean it will be -5

\times {10}^{ - 5}

final answer

4.03 \times {10}^{ - 5}

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