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Oduvanchick [21]
3 years ago
6

How many students started in ninth grade if the number of graduates is 25,000?

Mathematics
1 answer:
Mama L [17]3 years ago
5 0

Answer:

Are you in Connexus ?

Step-by-step explanation:

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Q(x)=x^3+ax^2+2b is divided by (x-3) and has a remainder of 4. Find the values of "a" and "b"​
Sati [7]

Answer:

Let p(x) = x3 + ax2 + bx +6

(x-2) is a factor of the polynomial x3 + ax2 + b x +6

p(2) = 0                                                                                      

p(2) = 23 + a.22 + b.2 +6 =8+4a+2b+6 =14+ 4a+ 2b = 0

7 +2 a +b = 0

b = - 7 -2a -(i)                                                                              

x3 + ax2 + bx +6 when divided by (x-3) leaves remainder 3.

p(3) = 3                                                                                      

p(3) = 33 + a.32 + b.3 +6= 27+9a +3b +6 =33+9a+3b = 3

11+3a +b =1 => 3a+b =-10 => b= -10-3a -(ii)                                    

Equating the value of b from (ii) and (i) , we have

(- 7 -2a) = (-10 - 3a)

a = -3                                                                                          

Substituting a = -3 in (i), we get

b = - 7 -2(-3) = -7 + 6 = -1

Thus the values of a and b are -3 and -1 respectively.

Step-by-step explanation:

4 0
2 years ago
Explain the steps you would take to find the area of the following composite shape. (Use 3.14 for TT.)
Advocard [28]

Answer:

pi r squared divided by 2 for the half circle then add the area of the box to you number and there is your area

3 0
2 years ago
The length of a classroom is 41 feet.
professor190 [17]

Answer:

There are 3 feet in a yard, so divide 34 by 3, which is 11 with a remainder of 1, the remainder 1 is the remaining foot, so 34 feet is 11 yards and 1 foot.

Step-by-step explanation:

5 0
2 years ago
How many 8th graders would have to stand in the stack to reach the moon?
slamgirl [31]
You would have to know the height of the 8th graders
7 0
3 years ago
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vagabundo [1.1K]
If she gets 3% of what she sells you multiply the decimal form of the percent by the amount she has made:
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1.5*30=45
 
She earned a total of $45<span />
4 0
3 years ago
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