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vlabodo [156]
3 years ago
5

Simplify (2p+3)2 - (2p-3)2

Mathematics
1 answer:
gayaneshka [121]3 years ago
8 0
(2p + 3)2 - (2p - 3)2 = 4p+6-4p+6=12
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Devin borrowed $1,058 at 13 percent for nine months. What will he pay in interest?
Viktor [21]

Devin borrowed $1,058 at 13 percent for nine months.

We have to calculate the interest paid.

Interest = \frac{P \times R \times T}{100}

Substituting the values of

Principal = $1058

Rate = 13%

Time = 9 months = \frac{9}{12} year

Interest = \frac{1058 \times 13 \times 9}{12 \times 100}

Interest = 103.155

= 103.16

So, Devin will pay 103.16 as the interest.

Therefore, Option A is the correct answer.

8 0
3 years ago
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The selling price of an item is ​$ 440 After 6 months of not​ selling, it is marked down by 30​%. After another 6 months of not​
liq [111]
440...marked down by 30% means u pay 70%
70% of 440 = 0.70(440) = 308

308 ..marked down by 10% means u pay 90%
90% of 308 = 0.90(308) = 277.20 <== price after markdowns
8 0
3 years ago
I want to know the work of this, like the process. Please
pogonyaev
In this question, you know that the machine packs \frac{2}{3} of a box every \frac{1}{2} of a minute. Since it is constant, you simply have to double the half a minute to a full minute and then also double the rate to get \frac{4}{3} boxes packed per minute. And \frac{4}{3} is equal to 1\frac{1}{3}
3 0
4 years ago
Please help me!
Alexxandr [17]

A right triangle has one leg with unknown length, the other leg with length of 5 m, and the hypotenuse with length 13 times sqrt 5 m.

We can use the Pythagorean formula to find the other leg of the right triangle.

a²+b²=c²

Where a and b are the legs of the triangle and c is the hypotenuse.

According to the given problem,

one leg: a= 5m and hypotenuse: c=13√5 m.

So, we can plug in these values in the above equation to get the value of unknown side:b. Hence,

5²+b²=(13√5)²

25 + b² = 13²*(√5)²

25 + b² = 169* 5

25+ b² = 845

25 + b² - 25 = 845 - 25

b² = 820

b =√ 820

b = √(4*205)

b = √4 *√205

b = 2√205

b= 2* 14.32

b = 28.64

So, b= 28.6 (Rounded to one decimal place)

Hence, the exact length of the unknown leg is 2√205m or 28.6 m (approximately).

5 0
3 years ago
Find the quotient:<br><br> 1 divided by 13/7
kirill115 [55]

Answer:

7/13

Step-by-step explanation:

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