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SVEN [57.7K]
2 years ago
13

If 6 is added to twice a number and this sum is multiplied by 5​, the result is the same as if the number is multiplied by negat

ive 3 and 4 is added to the product
Mathematics
1 answer:
lutik1710 [3]2 years ago
3 0

Answer:

  -2

Step-by-step explanation:

We assume you want to find the number. Let it be represented by x.

  (6+2x)·5 = -3x +4 . . . . . the meaning of the problem statement

  30 +10x = -3x +4 . . . . . eliminate parentheses

  26 +13x = 0 . . . . . . . . . add 3x-4 to both sides

  2 + x = 0 . . . . . . . . . . . . divide by 13

  x = -2 . . . . . . . . . . . . . . subtract 2

The number is -2.

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Paul, Colin and Brian are waiters.
snow_lady [41]

Answer:

Paul gets £2(9.8) = £19.6, and

Colin gets          £1(9.8)  = £9.8, and

Brian gets          £5(9.8) = £49

Step-by-step explanation:

Find the multiplier x in 2x + 1x + 5x = £78.40.

Summing up the left side:  8x = 78.40

Dividing both sides by 8 to isolate x:

x = 9.8

Then Paul gets £2(9.8) = £19.6, and

Colin gets          £1(9.8)  = £9.8, and

Brian gets          £5(9.8) = £49

As a check, add these together; the sum must be £78.40:

£19.6 + £9.8 + £49 = £78.40.  So our figures are correct.

Brian gets £49 and Colin gets £9.8.  Subtracting, we obtain:

£39.20.  This is the amount by which Brian's tips exceeds Colin's.

4 0
3 years ago
With beginning inventory at cost of 9000 ending inventory at vost of 7000 net sales of 51000 and cost of goods sold at 46000 the
kiruha [24]

Answer:

The Inventory turnover at cost is <u>5.75</u>.

Step-by-step explanation:

Given:

With beginning inventory at cost of 9000 ending inventory at cost of 7000 net sales of 51000 and cost of goods sold at 46000.

Now, to find the inventory turnover at cost.

Beginning Inventory = 9000.

Ending Inventory = 7000.

Net Sales = 51000.

Cost of Goods Sold = 46000.

So, we need to find the average inventory by putting formula:

Average\ Inventory=\frac{(Beginning\ Inventory+Ending\ Inventory)}{2}

Average\ Inventory=\frac{(9000+7000)}{2}

Average\ Inventory=\frac{16000}{2}

Average\ Inventory=8000.

Now, to get the Inventory turnover at cost we put formula:

Inventory\ turnover=\frac{Cost\ of\ Goods\ Sold}{Average\ Inventory} \\\\Inventory\ turnover=\frac{46000}{8000} \\\\Inventory\ turnover=5.75.

<em>Thus, Inventory turnover at cost to the nearest hundredth = 5.75.</em>

Therefore, the Inventory turnover at cost is 5.75.

6 0
3 years ago
The equation of the line of best fit for a scatter plot is yˆ=−14x+10 where x is age in years and y is average number of hours o
son4ous [18]

Hey there!

y = -1/4x + 10

Looking for the amount of hours of sleep for an 8 year old, so x is 8.

Solve for y:

y = -1/4(8) + 10

y = -2 + 10

y = 8

The predicted number of average hours of sleep for an 8 year old is 3. 8 hours.

Hope this helps!

5 0
2 years ago
If 20% of a number is 35, what is 50% of that number? 55, 70, 87.5, or 175
Dimas [21]
Here is what I did to find the answer: 
20% of n is 3520% * n = 3520/100 * n = 35n = 35 * 100 / 20n = 175
50% of 175 = 50% * 175 = 50/100 * 175 = 87.5
The correct answer would be 87.5.
4 0
3 years ago
Read 2 more answers
Choose all the numbers that could be common denominators for 2/3 and 3/4. 8, 12, 16, 36, 48
Ksivusya [100]

Answer: 12 36 and 48

7 0
3 years ago
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