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Mandarinka [93]
3 years ago
12

What is -15 2/3 + (-5 2/3)

Mathematics
2 answers:
solniwko [45]3 years ago
7 0

Answer is -21 1/3

-15 2/3

+  -5 2/3

-------------

Answer is 21 1/3

mr Goodwill [35]3 years ago
5 0

Convert 15 2/3 to an improper fraction;

- 15 × 3 + 2/3 - 5 2/3

Simplify 15 × 3 to 45

- 45 + 2/3 - 5 2/3

Simplify 45 + 2 to 47

- 47/3 - 5 2/3

Convert 5 2/3 to an improper fraction

- 47/3 - 5 × 3 + 2/3

Simplify 15 + 2 to 17

- 47/3 - 17/3

Join the denominators

-47 - 17/3

Simplify

- 64/3

Convert to a mixed fraction;

<u>-21 \frac{1}{3}</u>

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Table is attached below

From the table we can see that the Lemon cost is equal to 35% of the expenses

Let the expense be x, Lemons cost is 70

Lemon cost = 35% * x

70 = 35% * x ( 35% = \frac{35}{100} = 0.35)

70 = 0.35 * x

x = \frac{70}{0.35}

x= 200, Expense = $200

Given : Profit percentage is 15%= \frac{15}{100} = 0.15

Profit = profit percentage * Expense

Profit = 0.15 * 200 = 30

So profit = $30


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3 years ago
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Can someone help plz?
nikitadnepr [17]

Answer:

The answer is: Yes

Step-by-step explanation:

1. Substitute the 2's for the x's.

2. Substitute the 3's for the y's

3. You get 4-9= -5

4. Do the same for the second problem.

5. 8-12= -4

6. Both problems are correct once the substitutions are made, therefore the answer is "Yes".

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3 years ago
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Mary owned n sheep and Sam had exactly 4 times as many sheep as Mary.
Veseljchak [2.6K]

Answer:

The least value of n is, 9.

Step-by-step explanation:

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As per the given condition Mary buys 17 extra sheep

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And Sam sells 8 of his sheep that means he has now,

But, Sam still has more sheep than Mary i.e,  

Solve an inequality:

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Simplify:

Now, subtract n from both the side, we get;

Simplify:

or

Since n is the number of sheep in integer,

then the least value of n is, 9.

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Answer:

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Step-by-step explanation:

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4 years ago
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On each weekly spelling test, the students in Mrs. Ruiz's class record how they do in comparison to the week before.
Bas_tet [7]

Answer:

<em>Student C </em>

Step-by-step explanation:

<em>* Student C *</em>

If we were to take a look at the problem we would see that the greatest difference would be the greatest difference from 0, either positive of negative;

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<em>As we see from the results, Student C has the greatest difference from before</em>

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