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professor190 [17]
3 years ago
5

For each sequence, find a general term 13. 1,3,5,7,9

Mathematics
1 answer:
mafiozo [28]3 years ago
4 0
The next number is 11, counting by 2’s
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Let 3x^2+kx+4. determine all values of k such that the quadratic equation f(x) =0 has one real root
user100 [1]
//I'll use the discriminant rule for this.
b^2 - 4ac = 0 when one real root

Therefore, k^2 - 4*3*4= 0
k^2 = 48
k= +-4√3
7 0
3 years ago
The sum of two numbers is 27 and the difference is 19. Find the 2 numbers.
zhuklara [117]

Answer:

the sum of two numbers is 27. their difference is 5. find the number

Step-by-step explanation:

Let x be the first number and y be the second number    ...   so we have

x + y  = 27

x - y  =   5            Adding the equations, we have

2x = 32                Dividing through by 2, we have

x = 16                  And substituting  or x in the first equation, we have

16 + y  = 27         Subtract 16 from both sides  

y = 11

4 0
3 years ago
A store offers four different brands of a product. It decides to eliminate the
Bumek [7]

Answer:

Brand D has the highest return rate so they should eliminate that one.

Step-by-step explanation:

brand A - .0481

brand B - .0307

Brand C - .0410

Brand D - .0788

3 0
3 years ago
What is the product of -3 1/3 and -8 7/10
nexus9112 [7]

Answer:

29

I hope this helps!

6 0
3 years ago
Read 2 more answers
Solve the system of equations by substitution and show work.<br> ​​y=−6x+13<br> y=3x+4
sukhopar [10]

Answer: x= 1 , y = 7

Step-by-step explanation:

y = -6x + 13 ................. equation 1

y = 3x + 4 ................ equation 2

substitute y = 3x + 4 into equation 1 , then we have

3x + 4 = - 6x + 13

collect the like terms , we have

3x + 6x = 13 - 4

9x = 9

x = 1

substitute x = 1 into equation 2 , we have

y = 3(1) + 4

y = 3 + 4

y = 7

Therefore : x = 1 and y = 7

6 0
3 years ago
Read 2 more answers
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