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Naddik [55]
3 years ago
8

A drawing is 14 inches tall and 5 inches wide what is 1/4 of that

Mathematics
2 answers:
Bess [88]3 years ago
8 0
14/4 = 7/2
5/4 cannot be simplified any further. 
I wasn't sure if this was what you were asking but from the little information that you've supplied, I'm guessing you're asking for 1/4 of the parameters.
vagabundo [1.1K]3 years ago
8 0
14x5=70
70/4=17.5
17.5 is 1/4 of the area of the drawing
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A sample of 1500 computer chips revealed that 32% of the chips do not fail in the first 1000 hours of their use. The company's p
Grace [21]

Answer:

Yes, we have sufficient evidence at the 0.02 level to support the company's claim.

Step-by-step explanation:

We are given that a sample of 1500 computer chips revealed that 32% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature claimed that above 29% do not fail in the first 1000 hours of their use.

Let Null Hypothesis, H_0 : p \leq 0.29  {means that less than or equal to 29% do not fail in the first 1000 hours of their use}

Alternate Hypothesis, H_1 : p > 0.29  {means that more than 29% do not fail in the first 1000 hours of their use}

The test statics that will be used here is One-sample proportions test;

          T.S. = \frac{\hat p -p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }  ~ N(0,1)

where, \hat p = proportion of chips that do not fail in the first 1000 hours of their use = 32%

            n = sample of chips = 1500

So, <u>test statistics</u> = \frac{0.32-0.29}{\sqrt{\frac{0.32(1-0.32)}{1500} } }

                              = 2.491

<em>Now, at 0.02 level of significance the z table gives critical value of 2.054. Since our test statistics is more than the critical value of z so we have sufficient evidence to reject null hypothesis as it fall in the rejection region.</em>

Therefore, we conclude that more than 29% do not fail in the first 1000 hours of their use which means we have sufficient evidence at the 0.02 level to support the company's claim.

7 0
3 years ago
PLZ HELP with this question
Anon25 [30]

Answer:

  (A) spinning red

  (B) picking blue

Step-by-step explanation:

There are 9 sections to the spinner, so the probabilities of spinning the colors of interest are ...

  red: 3/9 = 1/3

  blue: 4/9

__

There are 12 balls in the bag, so the probabilities of picking the colors of interest are ...

  blue: 4/12 = 1/3

  red: 5/12

__

We note that the numbers that are the same on these lists are 1/3 for spinning red and picking blue. We also note that point A on the number line is located at about 1/3 (more than 1/4, less than 3/8).

The events that can be modeled by point A on the number line are ...

  • spinning red
  • picking a blue ball  
4 0
2 years ago
Horatio, Glen, Carlos, and Meredith played in the company golf tournament. Their scores after the first round are listed below.
Phantasy [73]
Ima ask my brother to help u with this is that ok
6 0
2 years ago
A baseball team plays in a stadium that holds 60000 spectators. With the ticket price at $11 the average
nekit [7.7K]

Answer:

D(q) = -(3)/(4,000)q+19.5

Step-by-step explanation:

Given:

overall capacity = 60000

price in point one = 11

spectators in first point = 26000

second point - price = 8

spectators = 30000

solution:

The demand of a product as a function of its price and other factors such as the prices of the substitutes and complementary goods, income is the expression known as demand function. It is represented by D(q)

we have two points in our line for given ques:

first point of line = (26,000, 11)

second point of line = (30,000, 8)

Slope = (11 - 8)/(26,000 - 30,000)

= (3)/(-4,000)

y = mx + b

here, b = factors influencing demand besides price

m = slope

x = price

10 = (3)/(-4,000) )(26,000) + b

b = 19.5

y = -(3)/(4,000)+19.5

D(q) = -(3)/(4,000)q+19.5

6 0
3 years ago
Find the measure of each interior angle and each exterior angle of a regular nonagon (a nine-sided polygon).
antoniya [11.8K]

Answer:

Interior-140° Exterior-40°

Step-by-step explanation:

The sum of the interior angles of a polygon are given by 180(n-2) where n is the number of sides.

Therefore, the sum of all interior angles in a nonagon is 180(9-2) or 180×7. This equals to 1260°.

To get the individual interior angle, you use \frac{s}{n}, with n defined above and s being the sum of interior angles.

Therefore, each angle is \frac{1260}{9}°, which can be solved to 140°.

The value of an individual exterior angle is given by 180-i, with i being the individual interior angle (this is because the 2 angles form a straight line).

In this case, 180-140=40°.

Each interior angle of a nonagon is 140°, and each exterior angle is 40°.

**This content involves angles of polygons, which you may want to revise. I'm always happy to help!

8 0
2 years ago
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