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MrRissso [65]
3 years ago
13

Factorise: 25x²-20x+4

Mathematics
2 answers:
Nutka1998 [239]3 years ago
4 0

(5x - 2)²

Step-by-step explanation:

25x² - 20 + 4

(5x - 2)(5x - 2)

(5x - 2)²

kogti [31]3 years ago
3 0

Answer: (5x-2)^2

Step-by-step explanation: I just thought of the answer

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Can somebody plz answer questions 13-18 correctly thank you!
erik [133]

Answer:

13. 20%

14.7%

15. 3.5%

16.45%

17. 84%

18. 68.5%

3 0
3 years ago
What is the answer of 24-4m=6(7m-4)+2
otez555 [7]
24-4m=42m-24+2
24+24-2=42m+4m
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6 0
3 years ago
Read 2 more answers
A 30-year, $1,000 strip bond was traded for $167, four years after it was issued. What was the semi-annually compounded nominal
Anna007 [38]

Answer:

The semi-annually compounded nominal rate at that time is 7%

Step-by-step explanation:

In order to calculate the semi-annually compounded nominal rate at that time we would have use the following formula:

PV= FV/(1+r)^n

According to the given data we have the following:

PV=$167

FV=$1,000

n=30-year, and strip bond was traded four years after it was issued, hence, n=(30-4)*2 =52

Therefore, 167= $1,000/( 1+r)^52

167/$1,000 =1/(1+r)^52

0.167 =1/(1+r)^52

r =3.50%

Therefore, The semi-annually compounded nominal rate at that time=3.50%*2

The semi-annually compounded nominal rate at that time=7%

The semi-annually compounded nominal rate at that time is 7%

4 0
4 years ago
Melissa invests $700 at 4% simple interest per year. How much interest will she earn in 3<br> years?
gulaghasi [49]

Answer:

Step-by-step explanation:

700(.04)(3)= $84

7 0
3 years ago
PLEASE I NEED AN ANSWER ASAP
posledela

Answer:

20 units.

Step-by-step explanation:

To find the perimeter of a trapezoid, the formula is a + b + c + d

a = 1

b = 9

c = 5

d = 5

So, the perimeter is 20 units.

Hope this helped ^^

7 0
3 years ago
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