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jarptica [38.1K]
3 years ago
13

Evaluate -2/3 - (-1/2)

Mathematics
2 answers:
torisob [31]3 years ago
7 0

Answer:

The answer is -1/6

Step-by-step explanation:

-2/3 - (-1/2)

=-2/3+1/2

=-1/6

dezoksy [38]3 years ago
7 0

Answer:

-1/6

Step-by-step explanation:

<em>[remember: (-)(-) is (+) , (+)(-) is (-) , (+)(+) is (+)]</em>

-2/3 - (-1/2)

⇒ -2/3 + 1/2

LCM of 3 and 2 is 6,

⇒ -2 × 2/3 × 2  +  1 × 3/2 × 3

⇒ -4/6 + 3/6

⇒ -4 + 3 /6

⇒ -1/6

hope you understood!

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Evaluate: 11 + sqrt(-4 + 6×4÷3)
Murrr4er [49]

Answer:

11+\frac{2\sqrt{15}}{3}

Step-by-step explanation:

11 + \sqrt{(-4 + 6\times4\div3)} \\\\11+\sqrt{\frac{-4+6\times \:4}{3}}\\\\\sqrt{\frac{-4+6\times \:4}{3}}=\frac{2\sqrt{5}}{\sqrt{3}}\\\\=11+\frac{2\sqrt{5}}{\sqrt{3}}\\\\\frac{2\sqrt{5}}{\sqrt{3}}=\frac{2\sqrt{15}}{3}\\\\=11+\frac{2\sqrt{15}}{3}

3 0
3 years ago
Calculate the ratio of 3 nickels to 12 dimes.
irga5000 [103]

Answer:

1/4

Step-by-step explanation:

3/12=

3÷3/12÷3=

1/4

4 0
3 years ago
Which expressions can you use to find 75% of 56? Check all that apply.
alisha [4.7K]
Your answer would be B and C
7 0
3 years ago
Read 2 more answers
A chocolate manufacturing company produces two types of chocolate: A and B. Ingredients required for manufacturing the products
Karolina [17]

Answer:

The maximum profit is when they make 10 units of A and 2 units of B.

Step-by-step explanation:

Let x is units of milk

Let y units of cacao

Given that :

The company's production plant has a total of 22 units of milk and 46 units of cacao available.

2x + y ≤ 22 (2 unit of milk for each of A and 1 for B; 22 units available)

4x + 3y ≤46 (4 unit of milk for each of A and 3 for B; 46 units available

Graph the constraint equations and find the point of intersection to determine the feasibility region.

The intersection point (algebraically, or from the graph) is (10, 2)

The objective function for the problem is the total profit, which is $6.2 per unit for A and $4.2 per unit for B: 6.2x + 4.2y.

Hence, we substitute (10, 2)  into the above function:

6.2*10 + 4.2*2 = 70.4

The maximum profit is when they make 10 units of A and 2 units of B.

3 0
3 years ago
The power of 10 chart
TEA [102]
When you have powers of 10, the number is always 1 followed by how ever many zeros. So, in this case, 10 to the 4th power is 1 followed by 4 zeros, which is 10,000
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