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2 years ago

Match the base to the corresponding height

Mathematics

1 answer:

Anestetic [448]2 years ago

8 0

9514 1404 393

Answer:

see attached

Step-by-step explanation:

The base and height are perpendicular to each other. In each case, there is only one figure having a labeled h segment perpendicular to the labeled b.

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2 years ago

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Margaret [11]

Answer:

F 6

Step-by-step explanation:

3 / (1/2)

When dividing by a fraction flip it over and multiply

3 * (2/1) = 6/1 which is just 6

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3 years ago

D = rt, for r<br><br><br><br> Someone please help me out?

lianna [129]

Answer:

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Step-by-step explanation:

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3 years ago

Estimate the indicated probability by using the normal approximation as an approximation to the binomial distribution. (PROBLEMS

S_A_V [24]

Answer:

$P(X \ge 219 ) = 0.093$

$P(X \ge 219 ) = 0.1038$

Step-by-step explanation:

From the question we are told that

The percentage of hair dryers that are defective is p=2% $= 0.02$

The sample size is $n =10000$

The random number is x = 219

The mean of this data set is evaluated as

$\mu = n* p$

substituting values

$\mu = 10000 * 0.02$

$\mu =200$

The standard deviation is evaluated as

$\sigma = \sqrt{[\mu (1 -p)]}$

substituting values

$\sigma = \sqrt{[200 (1 -0.02)]}$

$\sigma = 14$

Since it is a one tail test the degree of freedom is

df = 0.5

$x_l = x- 0.5$

$x = 219 - 0.5$

$x = 218.05$

Now applying normal approximation

$P(X \ge 219 ) = P(z > \frac{x - \mu}{\sigma} )$

substituting values

$P(X \ge 219 ) = P(z > \frac{218.5 - 200}{14} )$

$P(X \ge 219 ) = P(z > 1.32} )$

From the z-table

$P(X \ge 219 ) = 0.093$

Considering Question 5

The random number is x = 90

The mean is $\mu = n * p$

Where n = 100

and p = 0.85

$\mu = 0.85 *100$

$\mu = 85$

The standard deviation is evaluated as

$\sigma = \sqrt{[\mu (1 -p)]}$

substituting values

$\sigma = \sqrt{[85 (1 -0.85)]}$

$\sigma = 3.5707$

Since it is a one tail test the degree of freedom is

df = 0.5

Now applying normal approximation

$P(X \ge 90 ) = P(z > \frac{x - \mu}{\sigma} )$

substituting values

$P(X \ge 219 ) = P(z > \frac{89.5 - 85}{3.5707} )$

$P(X \ge 219 ) = P(z > 1.2603} )$

From the z-table

$P(X \ge 219 ) = 0.1038$

8 0

3 years ago

What is the answer to 7-3x=34

fenix001 [56]

Answer:

x=-9

Step-by-step explanation:

1. 7-3x=34

2. Subtract 7 from both sides to get -3x=27

3. Divide by -3 from both sides to get x by itself which turns out to be x=-9, for 27÷(-3)=-9

5 0

3 years ago

Match the base to the corresponding height​

Match the base to the corresponding height