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Answer:

Hours spent for snowboarding = 1 hour 35 minutes

Step-by-step explanation:

Total hours spent for skiing and snowboarding = 3 hours

Hours spent for skiing = 1 hours 25 minutes

How long did he spend snowboarding?

Hours spent for snowboarding = Total hours spent for skiing and snowboarding - Hours spent for skiing = 1 hours 25 minutes

= 3 hours - 1 hours 25 minutes

1 hour = 60 minutes

3 hours = 180 minutes

1 hours 25 minutes = 85 minutes

3 hours - 1 hours 25 minutes

= 180 minutes - 85 minutes

= 95 minutes

95 minutes = 1 hour 35 minutes

Hours spent for snowboarding = 1 hour 35 minutes

Answer:

(1,3)

Step-by-step explanation:

It is the intercept of the two lines

Answer: $2.67 per person

Step-by-step explanation: Well hello again, so the question said two of his friends had an emergency now there are three people left going to New York including Eric himself. So, the equation is 8 ÷ 3 = ?. Now we solve the equation 8 ÷ 3 = ? which is $2.67.

The domain of f(x) = x is all real numbers. This is because the input (x) is the same as the output (f(x)).

This means that any value that is inputted into the function will result in the same value as the output, regardless of the value. The domain of the function can be expressed mathematically as:

Domain of f(x) = x = {x ∈ R}

This means that the domain of f(x) is all real numbers, as any real number put into the function will result in that same real number being outputted. For example, if x = 5, then f(x) = 5. This illustrates that the domain of f(x) = x is all real numbers.

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The speed of train A and train B will be 50 miles per hour and 25 miles per hour. Train A traveled 50 miles less than train B. And graph B is steeper than the graph of train A.

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

From the graph, train A travels 150 miles in 3 hours and train B travels 100 miles in 4 hours.

The speed of train A is given as,

S = 150 / 3

S = 50 miles per hour

The speed of train B is given as,

S = (125 - 25) / 4

S = 25 miles per hour

The speed of train A and train B will be 50 miles per hour and 25 miles per hour.

Train A traveled 50 miles less than train B. And graph B is steeper than the graph of train A.

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a)

Solution,

Given,

Cost for 1 pen = $ 1.50

= 1.50×100 cents

= 150 cents

Cost for 1 ruler = 80 cents

No. of Pens needed to be bought = x

No. of rulers needed to be bought = x+10

Now,

Cost for x pens = x×150 cents

= 150x cents

Cost for (x+10) rulers = (x+10)×80 cents

= 80x cents+800 cents

Then,

Total cost = 150x cents+(80x cents+800 cents)

= 150x cents+80x cents+800 cents

= 230x cents+800 cents

= $(230x ÷ 100)+$(800 ÷ 100)

= $2.3x + $8

Therefore,Louise spent $2.3x and $8 as total amount

b)

Sorry,I dont know inequality

Answer:

Any x-value other than 4, 8, or 9 would make this set of points a function.

\(\large\boxed{\fcolorbox{red}{aqua}{Radius~of~semi~circle~=~10cm}}\)

\(\large\underline\mathrm\purple{Diameter~is~20cm}\)

Answer:

she would save $1.08 by purchasing the package of 12

Answer:

Formula for volume of cone;

V = πr^2 · h/3

Plug in the values you know:-

65.94 = 3.14r^2 · 7/3

r = 3, -3.

Answer:

Step-by-step explanation:

Comment

The first thing you ought to notice is that the original shape is a rectangle, with 2 of the y coordinates of the 4 points of 1. What that statement means is that two of the points (1,1) and (3,1) both sit on the line y = 1. they don't move. The other two points do move and they form a circular shape. So what you are going to get is a cylinder.

Answer: cylinder

Answer: 345

Step-by-step explanation: the alls

Answer:

1600

Step-by-step explanation:

(20 x 16)5

=320 x 5

=1600

Answer:

B and D

Step-by-step explanation:

A is wrong because x has a negative exponent

C is wrong because x is a denominator

The probability that a student will get exactly 13 questions right is 0.003.

Let E be an event that student gives 13 right answers.

According to the given question.

An exam contain total number of questions is 15.

Now,

The probability that a student gives a right answer, p = 1/2 = 0.5

And, the probability that a student gives a wrong answer, q = 1 - 1/2 = 1/2 = 0.5

Therefore,

The probability that a student will get exactly 13 questions right is given by

⇒ P(E) = C(15, 13) p^(13)q^(15 - 13)

⇒ P(E) = (15!/13!2!)(0.5)^13(0.5)^2

⇒ P(E) = (15(14)/2 ) ×  ( 0.00012) × 0.25

⇒ P(E) = 105 × 0.00012 × 0.25

⇒ P(E) = 0.00315

Hence, the probability that a student will get exactly 13 questions right is 0.003.

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Answer:

$7.54 is the right answer

Answer:

The answer should be $7.54

Step-by-step explanation:

120.67 ÷ 16 = 7.54

120.67 Being the pay for 16 hours

16 being the number of hours

1) The surface area of the cone is: SA = 390.8 cm²

2) The Area of a square pyramid is: 90 cm²

1) Using Pythagoras theorem, we can find the slant height of the cone as:

s = √(11² - 8²)

s = 7.55 cm

The formula for surface area of a cone is

SA = πr(r + l)

SA = π * 8(8 + 7.55)

SA = 390.8 cm²

2) Area of a square pyramid is:

Area = a² + a√(a² + 4h²)

Area = (5²) + 5√(5² + 4(6)²)

Area = 90 cm²

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Answer:

The answer is -2.

Step-by-step explanation:

Hope this helps dear ;)

Good luck ^^

The correct interpretation of the confidence interval is: "We can estimate with 95% confidence that the true population mean pizza delivery time is between 33.78 and 38.22 minutes."

The confidence interval represents a range of values within which the

population mean delivery time is likely to fall, based on the sample data.

It does not provide information about the delivery times of individual pizzas

or restaurants.

The confidence level refers to the percentage of times that the true

population mean would be expected to fall within the interval if the same

sampling procedure were repeated many times.

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The linear optimization technique for allocating constrained resources among different products is linear programming. (option d).

In the context of allocating constrained resources, linear optimization aims to maximize the output of a system while minimizing the input required to produce that output. This is achieved by formulating the problem as a set of linear equations or inequalities, which represent the constraints on the resources.

The linear equations or inequalities define the relationship between the input and output variables, which are typically expressed as linear functions. These functions represent the production possibilities of each product or activity and the available resources, such as labor, materials, and equipment.

The goal of linear optimization is to find the optimal values of the input and output variables that satisfy the constraints and maximize the objective function. The objective function is a linear function that represents the measure of performance or profitability of the system.

Hence the correct option is (d).

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Answer:

It is the last one: (4x-9)(x+8)

Step-by-step explanation:

You have to split the "b", or split the 23x so that you can perform grouping, and then combine.

Answer:

(4x-9)(x+8)is the correct answer

Answer:

The intercepted arc is twice the value of the inscribed angle. Since the intercepted arc is 110°, this means that the inscribed angle 1 is 55°.

Hey there!

5 (-3 + k) = 20

-15 + 5k = 20

5k = 20 + 15

5k = 35

k = 35 ÷ 5

k = 7

Hope it helps ya!

\(\boxed{\underline{\bf \: ANSWER}}\)

\( \tt \: 5( - 3 + k) = 20 \\ \tt = (5 \times - 3 )+( 5 \times k) \\ = \underline{ \bf{ - 15 + 5k}}\)

Hope it helps!

RainbowSalt2222

Question:

Andrew owns 3 fewer DVDs than Paul. Let K represent the number of Paul's DVDs. Write the expression that can be used to find the number of DVDs that Andrew owns.

Answer:

\(Andrew = k - 3\)

Step-by-step explanation:

Given

\(Paul = k\)

\(Andrew = 3\ fewer\)

Required

Write an expression for Andrew

3 fewer means that we subtract 3 from Paul's number of DVDs.

i.e.

\(Andrew = Paul - 3\)

Substitute k for Paul

\(Andrew = k - 3\)

Answer: 16 meters

Step-by-step explanation:

1 cm         4cm

--------    =  ---------

4m             16m

We can be 98% cοnfident that the true difference in mean amοunt οf fοοd Buster eats when οffered Busted Nuggets and Busted Tenders is between -14.566 and -7.634 grams

Calculate the sample mean difference and the standard errοr οf the difference in οrder tο build the cοnfidence interval fοr the difference in the mean amοunt οf fοοd that Buster cοnsumes when served Busted Nuggets and Busted Tenders.

The sample mean difference is:

X1 - X2 = 152.6 - 163.7 = -11.1 grams.

The standard errοr οf the difference can be calculated as fοllοws:

SE = √(S1²/n1 + S2²/n2)

where S1 and S2 are the sample standard deviatiοns οf the twο grοups and n1 and n2 are the sample sizes.

Substituting the values, we get:

SE = √(4.45²/31 + 5.75²/31) = 1.463

ME = t x (SE) = 2.365 x 1.463 = 3.466

Finally, the cοnfidence interval fοr the difference in mean amοunt οf fοοd Buster eats is:

-11.1 - 3.466 < µ1 - µ2 < -11.1 + 3.466

-14.566 < µ1 - µ2 < -7.634

Hence, we have a 98% cοnfidence level that Buster actually cοnsumes between -14.566 and -7.634 grammes less fοοd οn average when given the chοice between Busted Nuggets and Busted Tenders. This periοd can be understοοd as Buster favοring Busted Tenders because οf the negative.

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Answer:

218.57

Step-by-step explanation:

Since it is an isoceles triangle, the sides are 32, 32, and 14.

Using Heron's Formula, which is Area = sqrt(s(s-a)(s-b)(s-c)) when s = a+b+c/2,  we can calculate the area.

(A+B+C)/2  = (32+32+14)/2=39.

A = sqrt(39(39-32)(39-32)(39-14) = sqrt(39(7)(7)(25)) =sqrt(47775)= 218.57.

Hope this helps have a great day :)

Check the picture below.

so let's find the height "h" of the triangle with base of 14.

\(\begin{array}{llll} \textit{using the pythagorean theorem} \\\\ a^2+o^2=c^2\implies o=\sqrt{c^2 - a^2} \end{array} \qquad \begin{cases} c=\stackrel{hypotenuse}{32}\\ a=\stackrel{adjacent}{7}\\ o=\stackrel{opposite}{h} \end{cases} \\\\\\ h=\sqrt{ 32^2 - 7^2}\implies h=\sqrt{ 1024 - 49 } \implies h=\sqrt{ 975 }\implies h=5\sqrt{39} \\\\[-0.35em] ~\dotfill\)

\(\stackrel{\textit{area of the triangle}}{\cfrac{1}{2}(\underset{b}{14})(\underset{h}{5\sqrt{39}})}\implies 35\sqrt{39} ~~ \approx ~~ \text{\LARGE 218.57}\)

Step-by-step explanation:

for the perimeter you have to say two brackets live plus height plus with plastic