A random sample of COS students was taken, and the students were asked if they owned an iPhone. Another random sample of Fresno State students were asked the same question The results were tabulated, and they produced the following results: Test Statistic: -1.36, P-value: 0.1731 Use these results to test the claim that the proportion of cos students who own an iPhone is the same as the proportion of Fresno State students who own an iPhone at the 0.05 level of significance. (Treat COS students as Population #1.)

Answer: x = -1

Step-by-step explanation:

Since, you know y = 2, substitute that y-value into the other function:

\(2=2x+4\\\\2x=2-4=-2\\\\x=\frac{-2}{2} =-1\)

Answer:

Just divide:

705/20 = 35.25

There will be 35 roles.

Now to find how many left over, just multiply 35 times 20:

35 * 20 = 700

705 - 700 = 5

5 nickles left over!

Step-by-step explanation:

Hope it helps! =D

Answer:

35 Rolls, 5 nickels extra

Step-by-step explanation:

Think of it like so:

You have $705 in your bank account

Now many $20 Bills will you get from the ATM/Bank if you withdraw it all? The answer is: You will have 35 $20 bills.

What do you have left over? Take 20x35, than subtract that from 705

(705 - (20x35) = 5 nickels left over

The probability of getting a head given that probability of getting a tail is   0. 52 is  0.48.

Probability of getting at least one head is equal to the probability of all events (100 percent, or 1) less the likelihood of receiving all tails .

Therefore the probability of getting a head is ( 1 - 0.52)

= 0.48

A random event's occurrence is the subject of this area of mathematics. The range of the probability is 0 to 1.

The degree to which something is likely to happen is basically what probability means. You will understand the potential outcomes for a random experiment using this fundamental theory of probability, which is also applied to the probability distribution. Knowing the total number of outcomes is necessary before we can calculate the likelihood that a specific event will occur.

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Answer:

-6

Step-by-step explanation:

A parabola is vertex form is written as

y = a(x-h)^2 +k  where (h,k) is the vertex

Substituting in the vertex

y = a(x-5)^2 +5

We know a point on the parabola so we can find a

-1 = a( 6-5)^2 +5

-1 =a(1)^2+5

-1 = a +5

Subtract 5 from each side

-1-5 = a

-6 =a

Answer:The answer will be 35ft

Step-by-step explanation:

One way that you can answer this is by using sin law. You will put the length of a side on top and the corresponding angle that faces towards that side at the bottom of a fraction. So for this one it will be 30/sin(70) = x/sin(90) The 90 comes from the bottom of the building with the ground. And the side the angle faces is the ladder. After that you put 30sin(90)/sin(70) to find x. And you get 34.655 which rounds to 35 ft.

Answer:

  360 miles

Step-by-step explanation:

At a constant speed, distance (d) is proportional to time.

  miles/hours = 240 mi/(2 h) = d/(3 h)

Multiplying by (3 h) gives ...

  d = (240 mi)(3/2) = 360 mi

The helicopter travels 360 miles in 3 hours.

Answer:

the answer is A

Step-by-step explanation:

divide each of the second numbers by the first

that is

\(1 \div 3 = \frac{1}{3 } \\ \frac{1}{3} \div 1 = \frac{1}{3}\)

and so on

All the answers you get will be equal to 0.33333 or 1/3

The value of the given expression [\(87^3+ 13^3/87^2 -87 * 13 + 13^2\)] by simplifying the numerator and denominator using suitable identities is 100.

We will first calculate the numerator:

As  (\(a^3\) + \(b^3\)) = (a + b)(\(a^2\) - ab + \(b^2\)) :

\(87^3\) + \(13^3\) = (87 + 13)(\(87^2\) - \(87 * 13\) + \(13^2\))

= 100(\(87^2\) - 87 * 13 + \(13^2\))

Now, calculate the denominator:

\(87^2 - 87 * 13 + 13^2\)

As,(\(a^2 -2ab +b^2\)) =\((a - b)^2\):

\(87^2 - 87 * 13 + 13^2 = (87 - 13)^2\)

\(= 74^2\)

So by solving the equation further:

\((87^3+13^3) / (87^2- 87 * 13+13^2) = 100*(87^2- 87 *13 + 13^2)/(87^2 - 87 * 13 + 13^2)\)

As we can see the numerator and denominator are the same expressions (\(87^2 - 87 * 13 + 13^2\)). so, they cancel each other:

\((87^3 + 13^3) / (87^2 - 87 * 13 + 13^2) = 100\)

So, the value of the given expression is 100.

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The dimensions of the triangle are;

Base = 21 yards

Height of the triangle = 16 yards

It is important to note that the formula for determining the area of a triangle is expressed as;

Area = 1/2bh

Given that;

From the information given, we have that;

Base = 5 + h

Area =  168 square yards.

Now, substitute the values

168 = 1/ 2 (5 + h) h

expand the bracket

168 = 1/ 2 5h + h²

cross multply

5h + h² = 336

h² + 5h - 336 = 0

h² + 21h - 16h - 336 = 0

h( h + 21) - 16( h + 21) = 0

Then,

h = 16

h = -21

Base = 5 + h = 5 + 16 = 21 yards

Height = 16 yards

Hence, the values are 16 and 21 yards

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Answer:

132

Step-by-step explanation:

123+9=132?

Answer:

132 degrees and can I get brainliest

Step-by-step explanation:

Absolute value of -9 is 9 so then 123 plus 9.

Answer:

its closer to 0.5

Step-by-step explanation:

if you change 1/3 to a decimal its going to be 0.333333

0.33333 is closer to 0.5

Answer:

0

Step-by-step explanation:

1/3 is 1 part of 3.

0.5 is half of 1.

1/3 is closer to 0.

Answer:

d

Step-by-step explanation:

Answer:

a)It is a vertical line with an undefined slope

b)It is a vertical line with an undefined slope

c)7/4

d)-7/4

Step-by-step explanation:

The formula for gradient of a line is given as;

m=Δy/Δx

where Δy = y₂-y₁   and Δx=x₂-x₁

For L₁

x=2

It is a vertical line with an undefined slope

For L₂

x=-3

It is a vertical line with an undefined slope

For L₃

The points on the line are : (0,-3)  and (4,4)

m= Δy/Δx

m= 4--3/4-0

m=7/4

For L₄

The points on the line are : (0,-3) and (-4,4)

m=Δy/Δx

m=4--3/-4-0

m=7/-4

m= - 7/4

Answer:

D.

Step-by-step explanation:

\(\frac{\sqrt{a} }{\sqrt{b} } =\sqrt{\frac{a}{b} }\)

There is a rule like this, so answer is D.

The relation R on set b=(g,i,n,o) consists of the ordered pairs (i, i), (g, g), and (n, n). These are the pairs where both elements belong to set b.

The given relation R is represented as a set of ordered pairs.

To determine if the relation R is on set b=(g,i,n,o), we need to check if each ordered pair in R has both elements belonging to set b.

Going through each ordered pair in R:

(i, i): Both elements i and i belong to set b.

(i, n): The element n does not belong to set b, so this ordered pair is not in the relation R on set b.

(g, g): Both elements g and g belong to set b.

(n, n): Both elements n and n belong to set b.

(n, i): The element i does not belong to set b, so this ordered pair is not in the relation R on set b.

(o, i): The element i does not belong to set b, so this ordered pair is not in the relation R on set b.

(o, o): Both elements o and o belong to set b.

(o, n): The element n does not belong to set b, so this ordered pair is not in the relation R on set b.

From the analysis above, we can see that the relation R on set b=(g,i,n,o) consists of the ordered pairs (i, i), (g, g), and (n, n). These are the pairs where both elements belong to set b.

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Answer:

See below for proof.

\(S_{500}=125250\)

Step-by-step explanation:

Given arithmetic series:

Therefore:

\(S_n=1+2+3+...+(n-2)+(n-1)+n\)

\(S_n=1+(1+1)+(1+2)+...+(1+n-3)+(1+n-2)+(1+n-1)\)

\(S_n=1+(1+1)+(1+2(1))+...+(1+(n-3)(1))+(1+(n-2)(1))+(1+(n-1)(1))\)

Let:

Therefore:

\(S_n=a+(a+d)+(a+2d)+...+(a+(n-3)d)+(a+(n-2)d)+(a+(n-1)d)\)

Reverse the order:

\(S_n=(a+(n-1)d)+(a+(n-2)d)+(a+(n-3)d)+...+(a+2d)+(a+d)+a\)

Add the two expressions for Sₙ:

\(2S_n=(2a+(n-1)d)+(2a+(n-1)d)+(2a+(n-1)d)+...+(2a+(n-1)d)\)

Therefore, the term (2a + (n – 1)d) has been repeated n times:

\(2S_n=n(2a+(n-1)d)\)

Divide both sides by 2:

\(S_n=\dfrac{1}{2}n(2a+(n-1)d)\)

\(S_n=\dfrac{1}{2}n(a+a+(n-1)d)\)

Replace  a with  a₁  (first term) and a + (n – 1)d  with  aₙ (last term):

\(S_n=\dfrac{1}{2}n(a_1+a_n)\)

To find the sum of the series 1 + 2 + 3 + ... + 500, substitute the following values into the formula:

Therefore:

\(\implies S_{500}=\dfrac{1}{2}(500)(1+500)\)

\(\implies S_{500}=250(501)\)

\(\implies S_{500}=125250\)

Answer:

A. 4 hours

Step-by-step explanation:

100 divided by 25

Answer:

1111/2500

Step-by-step explanation:

Answer:

y= -3/5x+5

Step-by-step explanation:

im not sure if this is right but i know that perpendicular means opposite so basically just swtich the slope and if its positive make it negative, vice versa

The solution for R2 is:

R2 = (R1*R)/(R1+R)

We can begin by multiplying both sides of the equation by the product of R2 and R1 to eliminate the denominators:

1/R = 1/R1 + 1/R2

Multiplying both sides by R1*R2:

R1R2(1/R) = R1R2(1/R1) + R1R2(1/R2)

Simplifying:

R2 = (R1*R)/((R1+R))

Therefore, the solution for R2 is:

R2 = (R1*R)/(R1+R)

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Answer:

points D and B. Answer choices D and E.

Step-by-step explanation:

The point, C, is at -1 1/4. Count over 2 points of either B or D, and you have your answer.

Answer:I used PEMDAS I Got D.26

Step-by-step explanation:

\( \bf Speed = \dfrac{\dfrac{4}{5}}{\dfrac{1}{6}}\)

\( \bf Speed = \dfrac{4}{5} \times \dfrac{6}{1}\)

\( \Large \boxed{\bf Speed = \dfrac{24}{5}}\)

\( \pink{\bf So, \: the \: answer \: is \: \dfrac{24}{5} \: miles \: per \: hour}\)

The amount the firm needs to deposit in the account now is 9,640.11. Given that the company has purchased a life truck with a useful life of 5 years, the maintenance costs for the truck during the first year are 2,000.

Also, maintenance costs are expected to increase at a rate of 300 per year over the remaining life, which is for four years. Assume that the maintenance costs occur at the end of each year.

The future maintenance costs for the truck can be calculated as shown below:

Year 1:\($2,000Year 2: $2,300Year 3: $2,600Year 4: $2,900Year 5: $3,200\)The maintenance account that earns 10% interest per year has to be set up, and all future maintenance expenses will be paid out of this account. The future value of the maintenance costs, i.e., the amount that the firm needs to deposit now to earn 10% interest and pay the maintenance costs over the next four years is given by:

\(PV = [C/(1 + i)] + [C/(1 + i)²] + [C/(1 + i)³] + [C/(1 + i)⁴] + [(C + FV)/(1 + i)⁵]\),where PV is the present value of the future maintenance costs, C is the annual maintenance cost, i is the interest rate per year, FV is the future value of the maintenance costs at the end of year 5, which is $3,200, and 5 is the total number of years, which is

5.Substituting the given values in the above equation:

\(PV = [2,000/(1 + 0.1)] + [2,300/(1 + 0.1)²] + [2,600/(1 + 0.1)³] + [2,900/(1 + 0.1)⁴] + [(3,200 + 3,200)/(1 + 0.1)⁵] = 9,640.11\)Therefore, the firm needs to deposit 9,640.11 in the account now. Hence, option (A) is the correct answer.

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Answer:

Step-by-step explanation:

just try

Yes, an angle in a right-angled triangle is always present.  Without any additional information about the triangle, it is impossible to determine the value of the angle in question.

In a right-angled triangle, one of the angles is a right angle, which measures 90 degrees. The other two angles in the triangle are acute angles and their measures always add up to 90 degrees.

To find the value of the angle in question, we need to know some additional information about the triangle. If we have the lengths of two sides of the triangle, we can use trigonometric ratios to find the measure of the angle.

For example, if we know the length of the side opposite the angle and the length of the hypotenuse (the longest side of the triangle), we can use the sine ratio to find the measure of the angle.

If we know the length of the side adjacent to the angle and the length of the hypotenuse, we can use the cosine ratio.

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Answer : 4x + 1 3/4 = 10

Step - by - step explanation : The reason 4 has an " x " at the end of it is because we don't know its exact number

Answer:

4x + 1 3/4 = 10

Step-by-step explanation: