3 years ago

Use the discriminat to describe the roots of each equation. Then select the best description 16x^2+8x+1=0

Mathematics

1 answer:

astra-53 [7]3 years ago

7 0

Answer:

Step-by-step explanation:

Discriminant= 8^2-4(16)(1)

You might be interested in

The number 0.6064 represents the area under the standard normal curve below a particular z-score. What is the Z-score? Express t

Anastasy [175]

P(z < x) = 0.6064 - 0.5 = 0.1064

From the normal distribution table
P(z < 0.27) = 0.1064

Therefore the z-score is 0.27

I can't explain it very well for you, sorry.

4 0

3 years ago

Read 2 more answers

PLEASE HELP i need help

Helen [10]

Answer:

Domain {-2, -1, 1}

Range {-4, -2, 2, 4}

Domain {0, 1, 2}

Range {-2, 0, 2, 3}

Domian {-4, -1, 1, 2}

Range {-7, -4, 2}

8 0

3 years ago

Suppose that the handedness of the last fifteen U.S. presidents is as follows:40% were left-handed (L)47% were Democrats (D)If a

lesantik [10]

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

Probability that they were left handed P(L)= 40%

Probability that they were Democrats P(D)= 47%

So, P(L∩D) = 135 = 0.13

Now, to check whether they are independent or not.

We will find P(L) × P(D) is given by

$P(L)\times P(D)=0.47\times 0.40=0.188$

Since P(L) . P(D) ≠ P(L∩D)

So, they are not independent.

Hence, Option 'c' is correct.

3 0

4 years ago

80 is 50% of what number

KonstantinChe [14]

Answer:

80 is 50% of 160.

Step-by-step explanation:

In order to find this, we take the whole number and divide by the percentage that it represents. This gives us the number we are looking for.

80/50%

80/.50

160

3 0

3 years ago

Read 2 more answers

PLEASE HELP QUESTION 3 AND 4. EASY!!!!!!!!!!!!!!

Inessa05 [86]

Answer: 3• D 4• B (why does this require me to put 20 characters) anyway this is my guess

7 0

3 years ago