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
yaroslaw [1]
3 years ago
10

Simplify _ √20+10(1+2 √2)​

Mathematics
1 answer:
svetlana [45]3 years ago
4 0

Answer:

√2 = -1.414 x = 11.4142

Step-by-step explanation: hope this helps you out

You might be interested in
What number is 7 units to the left of -1?<br><br> 8<br> 6<br> -8<br> -6
Viefleur [7K]

Answer:

7 <u>units to the left is -6 </u>

Step-by-step explanation:

your counting back wards but its not a neg. its positive so the answer is 6

4 0
2 years ago
What is the value of x in the equation below?
Viefleur [7K]

Answer:

-9 may be the right answer

4 0
3 years ago
Read 2 more answers
For #1-8, solve the equation for the indicated variable:<br> Solve for x:<br> 1.<br><br> 3x + 2 = 8
Karo-lina-s [1.5K]

Steps to solve:

3x + 2 = 8

~Subtract 2 to both sides

3x = 6

~Divide 3 to both sides

x = 2

Best of Luck!

5 0
2 years ago
P(X&lt; ) 1-P(X&gt; ) A softball pitcher has a 0.626 probability of throwing a strike for each curve ball pitch. If the softball
Mashutka [201]

Answer:

19.49% probability that no more than 16 of them are strikes

Step-by-step explanation:

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

Can be approximated to a normal distribution, using the expected value and the standard deviation.

The expected value of the binomial distribution is:

E(X) = np

The standard deviation of the binomial distribution is:

\sqrt{V(X)} = \sqrt{np(1-p)}

Normal probability distribution

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

When we are approximating a binomial distribution to a normal one, we have that \mu = E(X), \sigma = \sqrt{V(X)}.

In this problem, we have that:

n = 30, p = 0.626

So

\mu = E(X) = np = 30*0.626 = 18.78

\sigma = \sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{30*0.626*0.374} = 2.65

What is the probability that no more than 16 of them are strikes?

Using continuity correction, this is P(X \leq 16 + 0.5) = P(X \leq 16.5), which is the pvalue of Z when X = 16.5. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{16.5 - 18.78}{2.65}

Z = -0.86

Z = -0.86 has a pvalue of 0.1949

19.49% probability that no more than 16 of them are strikes

7 0
3 years ago
if friend is 55 feet tall and casts a shadow that is 3.53.5 feet long. What is the height of the bird house?
kakasveta [241]
20 feet high. I hope this helps!
8 0
3 years ago
Other questions:
  • Write an expression that represents the sum of 7 and x
    5·1 answer
  • A model predicts the profit, p of a company as p(x) = x3 – 3x2 – 16x + 48, where p is in thousands of dollars and x is number of
    7·1 answer
  • Morgan charges $12 per hour to babysit. Write an equation to determine how much it would cost,c, for Morgan to babysit for any n
    10·2 answers
  • What is the factor tree for 68
    7·1 answer
  • Suppose ff is a continuous function that has critical points at x=-2x = − 2 and at x=1x = 1 such that f'(-2)=0f ′ ( − 2 ) = 0 an
    13·1 answer
  • 70,000 for 6 years at a simple interest rate of 10,5% find the interest paid on the loan an total paid
    12·1 answer
  • Solve 821×54 using an area model
    11·1 answer
  • I need help on problem 53
    5·1 answer
  • Why is it important to draw equal parts on a nuber line
    13·1 answer
  • Find the value of y in the solution to the system of equations shown.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!