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Katyanochek1 [597]
3 years ago
5

A company wish to place a new telephone into each of its 576 offices. The telephones are sold in sets of 16. How many sets of te

lephones should the company purchase
Mathematics
1 answer:
kherson [118]3 years ago
8 0

Answer:

36

16 + 16 = 32

32 + 32 = 64

Thats 4 16's

64 x 9 (since 36/4 = 9) = 576

Step-by-step explanation:

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Last year, Mr Salim bought a car for $120 000. This year, he sold it at a discount of 10%. How much did Mr Salim sell his car fo
Nadya [2.5K]

Answer:

$108000

Explanation:

  • He sold it at a discount 10%
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now the price:

→ $120 000 * 90%

→ 120 000 * \frac{90}{100}

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6 0
2 years ago
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[02.05] Marcie solved the following inequality, and her work is shown below: −2(x − 5) − 12 ≤ 4 + 6(x + 3) −2x + 10 − 12 ≤ 4 + 6
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Hi there! Marcie made a mistake in the last step of the solving process.

Let's solve this problem step by step!
−2(x − 5) − 12 ≤ 4 + 6(x + 3)

First work out the parenthesis, which can for instance be done using rainbow method.

−2x + 10 − 12 ≤ 4 + 6x + 18
The parenthesis are worked out correctly. Remember that multiplying a negative by a negative gives you a positive.

Now we can collect the terms.
−2x − 2 ≤ 6x + 22

The terms are collected correctly.

Next up is subtracting 6x from both sides and adding 2 to both sides of the inequality.
−8x ≤ 24

This step is also correct.
Finally we must divide both sides of the inequality by -8 to find our answer. Be aware of the fact that the sign flips when dividing by a negative!

x ≤ −3
Mistake! Marcie forgot to flip the sign. Instead the answer should be x \geqslant - 3

~ Hope this helps you!
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3 years ago
Danny is installing a fence around his rectangular yard. His yard is 20 feet long by 45 feet wide. If the fencing he picked out
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Find the perimeter of the yard ( the distance around the yard).

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3 years ago
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Answer for the problem of 2 1/5+1 3/4
lions [1.4K]
The answer to this question is 3 19/20
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