1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ziro4ka [17]
4 years ago
6

Mind if I have some assistance.

Mathematics
1 answer:
pentagon [3]4 years ago
3 0
The answer is -7 because :

a=1, b=1, c=2
Discriminant = b^2 - 4ac
= 1^2 - 4*1*2
= -7
You might be interested in
A television network is deciding whether or not to give its newest television show a spot during prime viewing time at night. If
Alinara [238K]

Answer:

Test statistic  z= 1.708

Step-by-step explanation:

given that a  television network is deciding whether or not to give its newest television show a spot during prime viewing time at night. If this is to happen, it will have to move one of its most viewed shows to another slot.

Sample size n = 827

Sample proportion p = \frac{438}{827} \\=0.5297

H_0: p =0.5\\H_a: p >0.5

(right tailed test)

This is because they would be interested if more than half viewers are ready for the change

Test statistic = Z = p difference/std error

p difference = 0.0297

Std error =\sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.5*0.5}{827} } \\=0.0174

Z =1.708

p valu e= 0.9562

Since p >0.05 we fail to reject H0

Test statistic  z= 1.708

8 0
3 years ago
PLEASE HELP!!<br><br> (2y+8)(4y-7)
vodomira [7]

Answer:

6y×1

Step-by-step explanation:

Combine like terms:

2y+4y=6y

8-7=1

(6y)(1)

6 0
2 years ago
Read 2 more answers
Help me on this math problem please!! DUE TONIGHT!! Write an equation!
schepotkina [342]

Answer:

(3x+8)°+(x+4)° = 180,

x=42

Step-by-step explanation:

They are linear pairs, so the two angles are supplementary or add up to 180°.

1. Format the equation (3x+8)°+(x+4)° = 180

2. Simplify like terms 4x + 12 = 180

3. Subtract 12 on both sides, 4x=168

4. Divide 4 on both sides, x=42

5. Answer is x=42

6 0
2 years ago
Read 2 more answers
A manufacturer wishes to estimate the proportion of dishwashers leaving the factory
andre [41]
I don’t even know 5x 15 equals 7 because 12inches is a feet
5 0
4 years ago
Solve for x<br><br> -x + 1 = x + 21
KatRina [158]

Answer:

x=-10

Step-by-step explanation:

first put "x" on one side and the constants on the other

the equation becomes 2x=-20 or -2x=20

both cases divide by 2 and the answer becomes x=-10

or if you end up with -x=10 just multiply by -1 and it ends up the same

5 0
3 years ago
Other questions:
  • Justin deposited $54.25 into his bank account after making a $30.00 withdrawl to pay for some school supplies. Represent these s
    7·1 answer
  • What function equation is represented by the graph?
    11·2 answers
  • A printing company charges a fixed rate to set up the printing press, plus a cost of $3.50 for every 100 copies. If 800 copies c
    14·1 answer
  • Find the slope of the line passing through the points (-8, 2) and (-9,5).
    8·2 answers
  • Hen 430 randomly selected light bulbs were tested in a laboratory, 224 lasted more than 500 hours. Find a point estimate of the
    13·1 answer
  • Tell whether (2,6) is a solution of y = 3x. (show your work)
    7·1 answer
  • If solving a system of linear equations by elimination or substitution I get that 0=0, as final or intermediate step depending o
    13·1 answer
  • The value x = 42 is a solution to the equation 7 = x/6​
    9·2 answers
  • For some JKL the side lengths are such that LJ&lt; JK&lt; KL what must be true about angles J, K, L
    5·1 answer
  • If the length of the rectangle measures (2x -4) cm and the width measures (3x) cm, what is the area of the rectangle in terms of
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!