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Elena L [17]
3 years ago
7

Solve this equation by factoring b^2+5b-35=3b (b^2 means b to the second power)

Mathematics
1 answer:
Kazeer [188]3 years ago
5 0
<span>b^2+5b-35=3b</span>              b= 5, -7
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Help me please :3 :) :)
densk [106]

Answer:

6

Step-by-step explanation:

because if it needs 4 for 120 then u would divide that and get 30 then divide 180 by 30 and get 6.

8 0
3 years ago
Read 2 more answers
maria has a total of 95 dimes and quarters. If the total value of the coins is $23.45, how many quarters does she have? Please S
NARA [144]
This is the concept of application of quadratic equations; To get the number of dimes and quarters we proceed as follows;
suppose there are x dimes and y quarters;
x+y=95.......i
but we know;
$0.1=1 dimes
$0.25=1 quarters 
thus
0.1x+0.25y=23.45.....ii
solving equation i and ii by substitution we shall have:
from i;
x=95-y
thus substituting the value of x in equation ii we get
0.1(95-y)+0.25y=23.45
9.5-0.1y+0.25y=23.45

collecting like terms we get:
0.15y=13.95
dividing both sides by 0.15 we get;
y=13.95/0.15=93
x=95-93=2
therefore we conclude that there were 2 dimes and 93 quarters

4 0
3 years ago
if x-1 is a factor of P(x)=x^3- 5x^2 + 7x-3 which of the following represents the complete factorization for P(x)?​
kozerog [31]

Answer:

P(x) =  (x-1)² (x-3)

Step-by-step explanation:

P(x)=x³- 5x² + 7x-3 = x² (x-1) - 4x(x-1) + 3(x-1) = (x²-4x+3)(x-1)

P(x) = (x-1)(x-3)(x-1) = (x-1)² (x-3)

3 0
4 years ago
What are the roots of the equation x^2+7x+22=0 in simplest a+bi form?
Studentka2010 [4]
I’m not quite shoes might be 35
8 0
3 years ago
How do i turn 165 percent into a fraction and a decimal
Diano4ka-milaya [45]
To convert a percent to a fraction you first convert the percent to a decimal than use the same procedure as converting a decimal to a fraction.

Answer:
=165%
=1.65
=165/100
=33/20
=1 13/20
8 0
4 years ago
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