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Wittaler [7]
4 years ago
12

Find the perimeter of a regular pentagon with sides of (3x + 5).

Mathematics
1 answer:
kotegsom [21]4 years ago
4 0

Answer:

  5(3x + 5)   or   15x + 25

Step-by-step explanation:

A regular pentagon has 5 sides of equal length. The perimeter is the sum of the lengths of those sides. We can use multiplication to find the sum of 5 of the same value:

  P = 5(3x +5)

Perhaps you want it expanded. Using the distributive property, we multiply each term in parentheses by 5:

  P = 15x + 25

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Mala is y years old. Her sister is 4 years older than mala . Write expréssion in simplest form that represents the sum of ages o
Evgen [1.6K]

Answer:

2(y+2)

Step-by-step explanation:

Let

y --->Mala's age

x---> sister's age

we know that

x=y+4 ---> equation A

so

The sum of ages of the sisters is

x+y

substitute equation A in the expression of the sum of ages

(y+4)+y=2y+4

simplify

2(y+2)

8 0
4 years ago
What is the value of the expression when c=-5 and d=2 45 c+28d?
REY [17]

45c + 28d

45(-5) + 28(2)

-225 + 56

-169

Hope this helps! :)

7 0
4 years ago
Given that ABCD congruent to PQRS, solve for m<br><br><br> A.0.5<br> B.2.5<br> C.3<br> D.5
34kurt
As the 2 quadrilaterals are congruent the sides of one quadrilateral are equal to the corresponding sides of the other quadrilateral
Hence,
AB = PQ
RQ = BC
AD = PS
DC = RS
Since terms for both AB and PQ are given we can equate the terms and find m
5m -9 = m + 11
5m -m = 11 + 9
4m = 20
m = 5
Correct answer is D , 5
3 0
4 years ago
When Marilyn Monroe died, ex-husband Joe DiMaggio vowed to place fresh flowers on her grave every Sunday as long as he lived. Th
posledela

Answer:

Step-by-step explanation:

PV = CF/(r-g) *(1-  ((1+g)/(1+r))^n)

CF - cash flow, $5*52

r - interest rate, 0.104

g - price growth rate, 0.044

n - 21 years

PV = $260/(0.104-0.044) (1-  ((1+0.044)/(1+0.104))^21)

PV = 260/0.06 *(1- 0.309)

PV = 4333*0.691

PV = $2994

4 0
3 years ago
What is the value of 3/5 ÷ (-2/9)? <br><br><br><br> 69 points for good luck!!!!
ASHA 777 [7]

Answer:

-2.7

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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