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Tema [17]
2 years ago
10

I need this done urgently!

Mathematics
2 answers:
wolverine [178]2 years ago
6 0

Answer:

1)65.9

2)326.6

3)13.6

4)8.0

Step-by-step explanation:

The trick is always to look at the number after the first decimal for rounding to 1 decimal place, if its above 5, you round it up to the next decimal; eg. 13.45 = 13.5 because the 5 will round it up,and if value below 5, you round it down; eg. 12.34 = 12.3 because the 4 is below 5 and the nearest 10th decimal is 3.

mars1129 [50]2 years ago
4 0
Ma che ne so penso 4,8
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3 years ago
I NEED HELP QUICKLY!!! What is the sum of the first 140 positive multiples of 3?
garri49 [273]

Answer:

C

Step-by-step explanation:

The multiples of 3 are

3, 6, 9, 12, 15, ...........

The terms form an arithmetic sequence with common difference of 3.

The sum to n terms is

S_{n} = \frac{n}{2} [2a₁ + (n - 1)d ]

where a₁ is the first term and d the common difference

Here a₁ = 3 and d = 3, thus

S_{140} = \frac{140}{2} [ (2 × 3) + (139 × 3) ]

                            = 70(6 + 417) ] = 70 × 423 = 29610 → C

5 0
3 years ago
X+3/2 - X-2/2 = 1 Hence find p, if 1/X + p = 1​
jek_recluse [69]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Given the domain values {-3, 0, 3} what is the range for the equation f(x) = −5x + 2? Question options: {-3, 0, 3} {-6, 2, 6} {-
Fynjy0 [20]

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So, the range is

\{-13, 2, 17\}

5 0
3 years ago
Can you help me solve these?
snow_tiger [21]

Answer:

1 kg I thik it is right ans

3 0
3 years ago
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