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DiKsa [7]
3 years ago
15

Helppp please need quick

Mathematics
1 answer:
Rus_ich [418]3 years ago
4 0

Answer:

$3 dollars more

Step-by-step explanation:

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What is -2b + 4> -6 is ?
AveGali [126]

Answer:

b>5

Step-by-step explanation:

*Subtracted 4 from both sides and then divided both sides by 2*

-2b+4>-6\\-4          -4\\-2x>-10\\\frac{-2b}{-2} >\frac{-10}{-2} \\b>5

4 0
3 years ago
Complete the square for 5x^2 – 30x = 5.
Yuri [45]
First, subtract 5 from both sides, leaving you with 5x^{2} - 30x - 5 = 0
If you use the quadratic formula (a=5), (b=-30), (c=-5)

x=-b +/- √b²-4ac / 2a

x= -(30) +/- √(30)² - 4(5) * (-5) / 2(5)

x= 30 +/- √1000 / 10

x = 3 +/- √10
7 0
3 years ago
Find the LCM of 13 and 52.<br><br> LCM = <br> .
AleksAgata [21]

Answer:

Step-by-step explanation:

13 , 52

Here 13 is a prime number. So, check if 52 is  a multiple of 13.

Yes, 13*4 = 52

LCM = 52

8 0
2 years ago
Read 2 more answers
Three cyclists simultaneously start racing on a circular track at 7 am. It takes them 10 minutes, 25 minutes and 15 minutes resp
slega [8]

Answer:

9:30 am

Step-by-step explanation:

factors of 10;  5 and 2

factors of 15; 5 and 3

factors of 25; 5 and 5

calculate lcm so, 5x5x3x2 =150

150 mins = 2hr 30mins

7am+2hr30min = 9:30 am

6 0
3 years ago
Read 2 more answers
What division equation is related to 4*6=24
kvv77 [185]
Maybe something like 24/4=6. so sorry if I'm incorrect.
8 0
3 years ago
Read 2 more answers
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