HELP ASAP I WILL MARK BRAINLIEST!!!
Find the surface area of the sphere.
r=3 cm
Formulas for Spheres
S.A. = 41r2
V=far S.A. = [?] cm2
Round to the nearest tenth.

Answer:

3

Step-by-step explanation:

formula sin30=z\6

0•5000=z/6

0•5000×6=z

3•0000=z

Answer:

B

Step-by-step explanation:

Answer:

[tex]\frac{7}{6}[/tex]

Step-by-step explanation:

[tex]\frac{5}{12} + \frac{9}{12} = ?[/tex]

When adding fractions, the denominators must be the same. In this case, they are both 12, so we can just add the numerators.

5 + 9 = 14

We are left with:

[tex]\frac{14}{12}[/tex]

14 and 12 are both even numbers and can be simplified by dividing by 2.

14 ÷ 2 = 7

12 ÷ 2 = 6

[tex]\frac{14}{12}[/tex] simplifies to [tex]\frac{7}{6}[/tex]

This is your answer.

Hope this helps!

Answer:

y=-3.5

Step-by-step explanation:

substitute -4 for x

add 4 on both sides to get rid of the -4

divide -2 on both sides to isolate y

and you get 3.5 for y

The value of y that will satisfy the equation given is -3.5.

Mathematically, an equation can be defined as a statement that supports the equality of two expressions, which are connected by the equals sign “=”.

Given that, the missing coordinate in the ordered pair (−4, ?), we need to find the missing value that will satisfy the equation x-2y = 3,

To find the same, just replace the value of x by -4,

-4-2y = 3

-2y = 7

y = -3.5

Hence, the value of y that will satisfy the equation given is -3.5.

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Answer:  The answer is SAS

Answer: x = 2.

LN = MP = 2.

Solution in the photo, below.

Answer:

All four are equivalent fractions with the LCD of 12

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

7x+3= 3x+35

4x= 32

x=8

they are corresponding angles

helo. since the top and bottom lines are straight and parallel, it = 180. also, since theyre parallel, the other side of the top line also=3x+35. so...

7x + 3 + 3x + 35=180

10x+38=180

10x=142

x=14.2

Answer:

I think that the answer is 3495.24in

She would need to make two extra grades of 86 each.

Here we can see that the average of the scores that Victoria would need to make is an average score of 85 so as to be able to pull through. In this case, we can see that we have the scores; 82, 81, and 90

Let the scores tat we have to count twice be p each and then we have;

85 = 82 + 81 + 90 + p + p/5

85 = 253 + 2p/5

5(85) = 253 + 2p

p = 5(85)  - 253/2

p = 86

Hence, the twice scores that need to be earned for Victoria are both 86.

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Answer:

45.5km

Step-by-step explanation:

AREA= base x height

So with this equation, we know that 5km is the height, and 9.1km is the base.

So to find out the area all we have to do is 9.1x5 which equals 45.5

Answer:

The p-value of the test is 0.0018, which means that for a level of significance higher than this, there is sufficient evidence to claim that less than 50% of Internet users get their health questions answered online.

Step-by-step explanation:

Test the claim that less than 50% of Internet users get their health questions answered online.

At the null hypothesis, we test that 50% of Internet users get their health questions answered online, that is:

[tex]H_0: p = 0.5[/tex]

At the alternate hypothesis, we test that this proportion is less than 50%, that is:

[tex]H_a: p < 0.5[/tex]

The test statistic is:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

0.5 is tested at the null hypothesis:

This means that [tex]\mu = 0.5, \sigma = \sqrt{0.5*0.5} = 0.5[/tex]

A random sample of 1318 Internet users was asked where they will go for information the next time they need information about health or medicine; 606 said that they would use the Internet.

This means that [tex]n = 1318, X = \frac{606}{1318} = 0.4598[/tex]

Test statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{0.4598 - 0.5}{\frac{0.5}{\sqrt{1318}}}[/tex]

[tex]z = -2.92[/tex]

P-value of the test and decision:

The p-value of the test is the probability of finding a sample proportion below 0.4598, which is the p-value of z = -2.92.

Looking at the z-table, z = -2.92 has a p-value of 0.0018.

The p-value of the test is 0.0018, which means that for a level of significance higher than this, there is sufficient evidence to claim that less than 50% of Internet users get their health questions answered online.

Answer: 0.071%

Step-by-step explanation:

To get from $3.50 - $3.75, there was an increase of $0.25.

(Sorry if I'm getting the currency bit wrong, I'm British.)

Divide 0.25 by the original cost of 3.50, and you get:

0.07142857142857142857142857142857

Round this and you get a 0.071% increase

Answer:

The percent change in the price of a gallon of gas is 0.0714%.

Step-by-step explanation:

Here, The price increased from $3.50 to $3.75, a change of $0.25.

So,

$0.25 ÷ $3.50 × 100% = 0.0714%

Thus, The percent change in the price of a gallon of gas is 0.0714%.

9+5+1+5+4=24 In

this shld be the ans.

if its that simple

Answer:

432 = 2 square × 3 cube

Step-by-step explanation:

yan po ang alam ko...

Answer:2/10, which can be reduced to 1/5.  

2. If a tank is 5/8 filled with solution, how much of the tank is empty?  

Ans: 3/8 of the tank is empty. Since the whole tank would equal 8/8, or 1, and 5/8 of it is filled, then that  

means 3/8 of it remains empty.  

3. 1/2 x 3/5 x2/3 =  

Ans: 6/30, which can be reduced to 1/5.

4. 5/9 ÷ 4/11 =  

Ans: 55/36. You cannot reduce this fraction any further.  

5. Convert 27/4 to a decimal.  

Ans: 6.75. This answer is arrived at by dividing 4 into 27.  

6. Convert 0.45 to a fraction.  

Ans: 45/100, which can be reduced to 9/20.  

7. 4.27 x 1.6 =  

Ans: 6.832  

8. 6.5 ÷ 0.8 =  

Ans: 8.125  

9. 12 + 4.52 + 245.621 =  

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

By sampling a larger proportion of Mississippi's population, the percentage of people who wear seatbelts in Mississippi surveys would be closer and nearer to the population proportion.

The rule of large numbers states that if we collect samples of increasing size from every population (here, Mississippi vs. Washington WA state), the sampling distribution's mean, px, continues to get closer and nearer to the actual true population proportion (p).

Recall that as n becomes greater, the sample mean obeys a normal distribution because of the Central Limit Theorem. However, as (n) rises, the sampling distribution's standard deviation reduces.

where:

sampling proportion's standard deviation = [tex]\sqrt{\dfrac{p((1-p)}{n}}[/tex]

If n rises, the sample proportion [tex]P_x[/tex] have to get nearer to the population proportion P.

For both counties, the sample size is 1000, but the true population varies. According to the provided statement, the true population of Mississippi (3 million) is less than that of Washington State (7.5 Million). As a result, we can confidently assume that our sampling proportion in Mississippi seems to be much closer to the true actual population than our sampling proportion in Washington state.

Answer:

Step-by-step explanation:

Just find where both lines intersect. In this case, the two lines intersect at the point (2,4)

Therefore , the solution of the problem of probability comes out to be  

Probability = 0.25 or 25% that he will pass using this random option picking method.

Probability is the likelihood or potential for something to event.  For instance, there is only one way to get a head and a total of two possible outcomes, hence the probability of flipping a coin and getting heads is 1 in 2. (a head or tail). P(heads) must equal 12. Classical: (equally likely results) (equally probable outcomes) S, the sample location (the collection of all distinct outcomes that could occur), Definition of Relative Frequency and Subjective Probability.

Here,

Given : t the end of each week there is a 5 questions multiple choice test.

and

Has 4 options.

Probability that he will pass using this random option picking method.

=> Probability = Favourable events / Total no of outcomes

=>  Probability = 1 /4

=> Probability = 0.25 or 25%

Therefore , the solution of the problem of probability comes out to be  

Probability = 0.25 or 25% that he will pass using this random option picking method.

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Answer:

answers 3

Step-by-step explanation:

took more thinking than it should've tbh (3-2=1) (3+10=13) 1x13=13

The test statistic from the factory population is 2.12. The p value is given as .017003.

We have the following values to solve the problem with

n = 58

sample mean x = 12.07

standard deviation = 0.25 meters

u = length = 12

The formula is given by

[tex]z= \frac{x-u}{sd/\sqrt{n} }[/tex]

when we insert the values we would have:

[tex]z= \frac{12.07-12}{0.25/\sqrt{58} }[/tex]

z = 0.07 / 0.033

z = 2.12

we have to find the p value when z = 2.12

The p value is 0.017003 using a statistical calculator

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Answer:

The question is not complete

The best estimate of the circumference of the circle with radius 2 units is 12 units (approximately).

The circumference of a circle is the perimeter of the circle. It is the total length of the boundary of the circle. The circumference of a circle is the product of the constant π and the diameter of the circle.

Under these circumstances, the circumference of a circle may be defined as the limit of the perimeters of inscribed regular polygons as the number of sides increases without bound. The term circumference is used when measuring physical objects, as well as when considering abstract geometric forms.

Given, radius = 2 units.

Circumference of a circle = 2πr = 2 * 3.14 * 2 = 12.56 units

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Answer:

its F

Step-by-step explanation:

Answer:

8640

Step-by-step explanation:

40 × 27/12 = 90

90 x 96 = 8640