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Travka [436]
3 years ago
12

What is the value of a 3 - b 2 for a = 3 and b = 1/2?

Mathematics
1 answer:
Rus_ich [418]3 years ago
4 0
Your answer that you ask for will be two
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Which strategy would you choose to expand (x+11)(2x+3) and write an equivalent expression
Vlad1618 [11]

Answer:

Step-by-step explanation:

Given the expression (x+11)(2x+3)

We want to expand it and write equivalent expression

Generally if we want to expand an expression we will take one of the expression in one bracket and multiply with the other bracket and then take the other expression and multiply it with the other

E.g, (a+b) × (c + d)

Then, we take a × (c+d) and also b × (c+d)

We can do it the other way round too and it will give the same results.

So, applying this to the given expression

(x+11)(2x+3)

x(2x+3) + 11(2x+3)

2x² + 3x + 22x + 33

2x² + 25x + 33

Then, the equivalent expression is 2x² + 25x + 33

(x + 11)(2x + 3) = 2x² + 25x + 33

5 0
3 years ago
25 × 13 = __________ twenty-fives. 49 × 11 = __________ elevens.
andreyandreev [35.5K]

Answer:

I hope this helps. I don't quite know what you're looking for.

Step-by-step explanation:

25 x 13 = 325

325 divided by 25

= 13 twenty fifths.

49 x 11 = 539

539 divided by 11

= 49 elevenths

8 0
3 years ago
How much does the CEO earns?
melomori [17]

p = number of items sold (note: this is not the profit)

1 item sells for $855, so p items sell for 855p dollars

Subtract off the cost of 6780 and we have the expression 855p-6780 which is the profit for that given month.

Now plug in p = 250 because 250 items were sold in that given month

855*p - 6780 = 855*250 - 6780 = 206,970

The company earns $206,970 in profit for that month. Apply 15% to this value

15% of 206,970 = (15/100)*206,970 = 0.15*206,970 = 31,045.50

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

Answer: $31,045.50 which is choice C

8 0
4 years ago
Read 2 more answers
On each of the 22 work days in a particular month, every employee of a start-up venture was sent a company communication. If a t
fiasKO [112]

Answer:

211

Step-by-step explanation:

As the statement indicates that on each of the 22 work days of the month the employees of the company received a communication and 4642 communications were sent, to be able to determine the number of employees that the company have, you have to divide the number of communications by the number of days:

4642/22= 211

The company has 211 employees.

3 0
3 years ago
Find the area of the regular polygon.<br>Round to the nearest tenth.<br>16 ft​
Sladkaya [172]

<u>Given</u>:

Given that the side of the regular polygon is 16 feet.

We need to determine the area of the polygon.

<u>Area of the polygon:</u>

The area of the polygon can be determined using the formula,

Area =\frac{s^2 n}{4 \ tan \frac{180}{n}}

where n is the number of sides,

s is the side length.

Substituting n = 3 and s = 16, we get;

Area =\frac{16^2 (3)}{4 \ tan \frac{180}{3}}

Simplifying, we get;

Area =\frac{(256) (3)}{4 \ tan \ 60}

Area = \frac{768}{6.928}

Dividing, we get;

Area = 110.85

Rounding off to the nearest tenth, we have;

Area = 110.9

Thus, the area of the regular polygon is 110.9 square units.

8 0
3 years ago
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