Please answer correctly !!!! Will mark brianliest !!!!!!!!!!!!!!

Answer:

Step-by-step explanation:

We would set up the hypothesis test.

For the null hypothesis,

p = 0.24

For the alternative hypothesis,

p ≠ 0.24

This is a two tailed test

Considering the population proportion, probability of success, p = 0.24

q = probability of failure = 1 - p

q = 1 - 0.24 = 0.76

Considering the sample,

Sample proportion, P = r/n

Where

r = 12

n = 52

P = 12/52 = 0.23

We would determine the test statistic which is the z score

z = (P - p)/√pq/n

z = (0.23 - 0.24)/√(0.24 × 0.76)/52 = - 0.17

Recall, population proportion, P = 0.24

The difference between sample proportion and population proportion(p - P) is 0.24 - 0.23 = 0.01

Since the curve is symmetrical and it is a two tailed test, the p for the left tail is 0.24 - 0.01 = 0.23

the p for the right tail is 0.24 + 0.01 = 0.25

These proportions are lower and higher than the null proportion. Thus, they are evidence in favour of the alternative hypothesis. We will look at the area in both tails. Since it is showing in one tail only, we would double the area

From the normal distribution table, the area below the test z score in the left tail 0.43

We would double this area to include the area in the right tail of z = 0.17 Thus

p = 0.43 × 2 = 0.86

The level of significance is 5%

Since alpha, 0.05 < than the p value, 0.86, then we would fail to reject the null hypothesis. Therefore, at 5% significance level, this information does not imply that the color preference of all college students is different (either way) from that of the general population.

Answer:

5 < x < 23

Step-by-step explanation:

let the third side be x , then

difference of 2 sides < x < sum of 2 sides

14 - 9 < x < 9 + 14 , that is

5 < x < 23

Answer:

1215

5×3,15×3,45×3,135×3,405×3=1215

Answer:

the answer may be 127.

Step-by-step explanation:when you add 90° + 37° you will get the answer 127

I am not sure.

Answer:

No, obtuse simply means that the angle measures are > 90 and less than 360. Just because two angles are obtuse DOES NOT mean they are congruent.

Answer: No

Step-by-step explanation: Obtuse just means the angle is above 90 degrees and below 360, it doesn't mean its congruent.

Answer:

2%

Step-by-step explanation:

Solution

0.02*100%

=2%

hope it helps...

Good luck on your assignment

Answer:

[tex] \boxed{3x\degree = 30\degree} [/tex]

Explanation:

Vertically opposite angles are equal.

Answer:

f^-1(x) = ln(x - 7)

Step-by-step explanation:

f(x) = e^x + 7

y = e^x + 7

x = e^y + 7

e^y = x - 7

ln(e^y) = ln(x - 7)

y = ln(x - 7)

f^-1(x) = ln(x - 7)

Step-by-step explanation:

pythagorean theorem states

c²=a²+b² where c is the longest line a is the base while b is the height thus

example

1)c²=a²+b²

12²=a²+8²

144=a²+64.

144-64=a²

80=a² a=√80. =8.9

2)c²=a²+b²

15²=4²+b²

225=16+b²

225-16=b²

209=b² b=√209. =14.45

3)c²=a²+b²

c²=5²+9²

c²=25+81

c²=106. c=√106. =10.295

I hope you have understood I will do the other ones simply

4)26²=18²+a²

676-324=a²

√352=a. a=18.761

5)10²-6²=b²

100-36=b² b²=64. b=8

6)c²=12²+9²

=144+81.

c² =225. c=15

1...

Formula=  A=C^2-B^2

A=12^2-8^2

A=144-64

144-64=80

√80 = 8.944

Rounded = 8.9

2...

Formula=  A=C^2-B^2

A=15^2-4^2

A= 225-16

225-16=209

√209=  14.456

Rounded= 14.5

3...

Formula= A^2+B^2=C^2

9^2+5^2=C^2

81+25=106

√106=  10.295

Rounded= 10.3

4...

Formula=  A^2=C^2-B^2

A^2= 26^2-18^2

A^2=676-324

676-324=352

√352=18.761

Rounded= 18.8

5...

A^2=C^2-B^2

A^2=10^2-9^2

100-91=9

√9=3

6...

Formula= A^2+B^2=C^2

9^2+12^2=C^2

81+144=225

√225=15

Code= 8.9, 14.5, 10.3, 18.8, 3, 15.

Answer:

x^(4+2/3)=x^a

a=4+2/3=(12/3)+(2/3)=14/3

Step-by-step explanation:

Answer:

1 yard = 3 ft

75 yards = 75 * 3

75*3 = 225

He ran 225 ft

If you need inches = 225*12

inches = 2700 inches

Answer:

225 feet

Step-by-step explanation:

3 feet equals 1 yard

? Feet equals 75 yards

75 times 3 equals 225 feet

Answer:

x = 2 or x = -2

Step-by-step explanation:

5x² - 15 = 5​

⇌

5x² = 15 + 5

⇌

5x² = 20

⇌

x² = 20/5 = 4

⇌

x² = 2²

⇌

x² - 2² = 0

⇌

(x - 2)(x + 2) = 0

⇌   we use the zero product property

x - 2 = 0 or x + 2 = 0

⇌

x = 2 or x = -2

Answer:

27/35 is the exact answer

7/10 is an estimate

Step-by-step explanation:

4/7+2/10

Simplify the fraction

4/7+1/5

The common denominator is 35

4/7*5/5 + 1/5 *7/7

20/35 + 7/35

27/35

To estimate

4/7 is close to 1/2  

2/10 is close is 1/5

1/2 + 1/5 =

5/10 + 2/10 = 7/10

Answer:

$4,200

Step-by-step explanation:

700 x 6 = 4,200

Answer:

13+20+13+15+24/5

85/5

=17

Answer:

17 points

Step-by-step explanation:

Mean = total scores/number of games

Mean = (13 + 20 + 13 + 15 + 24) / 5

Mean = 85 / 5

Mean = 17 points

Answer:

diameter ≈12.7

Step-by-step explanation:

d= C/π so plug in what we know

39.88 ÷ 3.14 ≈ 12.7

Answer:

77.4

Step-by-step explanation:

The first term, a, of the series is 3.

It is a geometric progression, so we can calculate the common ratio, r:

3.75 / 3 = 1.25

The sum of n terms of a geometric progression is given as:

[tex]S = \frac{a(1 - r^n)}{(1 - r)}[/tex]

where n =  number of terms considered

The sum of the first 9 terms will therefore be:

[tex]S_9 = \frac{3(1 - 1.25^9)}{(1 - 1.25)} \\\\S_9 = \frac{3(1 - 7.45)}{-0.25}\\ \\S_9 = \frac{3 * -6.45}{-0.25}\\ S_9 = \frac{-19.35}{-0.25}\\ \\S_9 = 77.4[/tex]

Answer:

The name of the point is the circumcenter of the triangle

Step-by-step explanation:

The pool will be built at a point which is equidistant from the three points.

This means that the distance from that center point to point A equals the distance from that center point to point B which is equal to the distance from that center point to point C.

The name of this point is called the CIRCUMCENTER of the triangle

The circumcenter is equidistant from the three vertices of the triangle which are the points A , B and C in this case

Answer: A line has one dimension because it is made up of a figure with no thiknes that extends infinitely in both directions.

Step-by-step explanation:

A line is a one-dimensional figure, it has no thickness.

For reference,  point is zero dimesional, a plane is twodimensional.

Then the correct answer would be:

A line has one dimension because it is made up of a figure with no thiknes that extends infinitely in both directions.

Answer:

42000

Step-by-step explanation:

First of all, we need to find 20 percent of 35000.

35000×20 / 100 = 7000

now we increase the bed cost by 20 percent.

35000 + 7000 = 42000

Answer:

5000

Step-by-step explanation:

The margin of error is 1/√n, where n is the number of people

Margin of error = 1/√475 = 0.0458

Multiply by 100 to get percent:

0.0458 x 100 = 4.58% round to 4.6%

The answer is c.

Answer: The rate of change in the value of the guitar is modeled by 0.95, which represents a decrease of 5% per year.

Step-by-step explanation:

Hi, to answer this question we have to apply an exponential decay function:  

A = P (1 - r) t  

Where:  

p = original price

r = decrease rate (decimal form)  

t= years  

A = price after t years  

Replacing with the values given:  

A(t)=145(0.95)t.

Where

0.95 = 1-r

0.95-1 = r

-0.05 =-r

0.05 =r

Converting to percentage form:

0.05 x 100 = 5%

Feel free to ask for more if needed or if you did not understand something.  

Answer:

none of the two graphs in the pic.

it should be one in the II quadrant

Step-by-step explanation:

the plus four means to move 4 to the left

the plus 2 means to move up 2

That would make the vertex in the II quadrant.

Answer:

its A

Step-by-step explanation:

Answer:

B. Yes, because it does not have a constant rate of change.

Step-by-step explanation:

For a function to be a function (or linear), the rate of change MUST be proportional. In this data set, the numbers do not seem proportional, which makes it non-linear.

Answer:

64

Step-by-step explanation:

4^2-4*3*-4

=16-(-48)

=64

Answer:

A. 15

Step-by-step explanation:

HI and IJ are both segments in the line HJ so HI and IJ combined equal the total length of HJ. This means we can write an equation using HI and IJ and setting them equal to HJ.

6x + 8 + 2x - 4 = 124

next step is to combine like terms:

8x + 4 = 124

then, subtract 4 from both sides.

8x + 4 = 124

     -4       -4

8x = 120

finally, divide both sides by 8.

8x/8 = 120/8

x = 15

since it is equal to x, 15 is your solution!

Answer:

x = 24

Step-by-step explanation:

y=  -16

-16 x 6 = -96

y= -96

x= 4

4 x 6 = 24

x=24

Answer:

3/14

Step-by-step explanation:

There’s 14 marbles total and only 3 are orange