Kyrie is comparing a square pyramid and a square prism he is comparing the number of edges faces and vertices of each figure for each of these three properties Mark whether the square pyramid has more the square prism has more or both figures have the same number​

Step-by-step explanation:

- 8 (3n - 5) \\ - 24n + 40 \\ please \: give \: full \: question \\

Answer:

-24x40

Step-by-step explanation:

-8×3×-8(-5)

-24×-8×(-5)

so the answer is: -24x40

Answer:

+

=

1

0

=

2

+

1

Step-by-step explanation:

For this exercise, the graph of a logarithmic function is shown in the image attached below.

A logarithmic function is a type of function that graphically represents the inverse of an exponential function. Mathematically, a standard logarithmic function is written as \(y = log_nx\).

In Mathematics, the domain of any logarithmic function is from (x > 0) to infinity (+∞). Thus, its graph moves to the right on the vertical axis and it increases to infinity (+∞) as the value of x increases.

In this scenario, an image of all the graphs wasn't provided, so, I would proceed to add an attachment to illustrate the graph of a logarithmic function.

Note: The graph (u-shaped) shown in the image attached above is that of a parabolic function.

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Sana Ohl wishes to accumulate P65,000 in 12 years so that her daughter will be able to go to the University of Baguio. If she can earn 7% compounded annually, the amount she needs to deposit into an account at the end of each year to achieve this goal is P3,363.63.

Given,Sana Ohl wishes to accumulate P65,000 in 12 years.So, the future value of the present amount i.e. P0 after 12 years will be equal to P65,000. We are supposed to calculate the amount that needs to be deposited each year to achieve this target.

Amount of deposit =A= Future value/[(1+i)n - 1]/iwhere A= Amount of deposit ,P= Amount of investment (present value),

i= Rate of interest per annumn= Number of years.

In the given problem, we know that the future value of P0 after 12 years will be equal to P65,000. The rate of interest per annum i= 7%. The number of years, n = 12 years.

Substituting the given values, we get the amount of deposit to be:

P65,000 / [(1+0.07)¹² - 1]/0.07P65,000 / (2.0035)/0.07P65,000 / 28.0254P2316.51.

Therefore, the amount that needs to be deposited each year to accumulate P65,000 in 12 years is P2316.51.

However, none of the options in the question match the calculated value.

Therefore, we need to check the solution once again. We are supposed to deposit an equal amount at the end of each year, so the above calculated value needs to be multiplied by the future value of an ordinary annuity factor to get the amount to be deposited. Annuity factor =[(1+i)n - 1]/i.

Substituting the values, we get the annuity factor as:

Annuity factor =[(1+0.07)¹² - 1]/0.07Annuity factor = 7.0618.

Therefore, Amount to be deposited = Amount of deposit × Annuity factor Amount to be deposited

= 2316.51 × 7.0618.

Amount to be deposited = 16,365.44Total deposit required in 12 years = Amount to be deposited × Number of years.

Total deposit required in 12 years = 16,365.44 × 12Total deposit required in 12 years = 196,385.28Therefore, the total deposit required to accumulate P65,000 in 12 years at the rate of 7% per annum is P196,385.28.

Therefore, the amount that needs to be deposited each year to achieve this goal is P3,363.63.

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Answer:

Evaluate 7j+5-8k when j=0.5 and k=0.25 Get the answers you need, now!

2 answers

Step-by-step explanation:

Answer:

6.5

Step-by-step explanation:

(7*0.5)+(5)-(8*0.25)

PEMDAS

Multiply 7 and 0.5= 3.5

Multiply 8 and 0.25= 2

3.5+5-2

Add 3.5 and 5= 8.5

Subtract 8.5 and 2= 6.5

Answer:

315

Step-by-step explanation:

→ Substitute the first equation into the second

a + 21a = 330

→ Simplify

22a = 330

→ Solve for a

a = 15

→ Multiply answer by 21

15 × 21 = 315

Following are all of the subparts' solutions using the probability formula:

Red ball (A) P: 5/8

(B) P: 7/8 (NOT Yellow)

(C) P(yellow or white): 3/8

Probability is a branch of mathematics that deals with numerical representations of the likelihood of an event occurring or of a proposition being true.

The probability of an event is a number between 0 and 1, with 0 approximately denoting impossibility and 1 denoting certainty.

Probability formula: P(E) = favorable events/Total events

(A) P(red ball):

P(E) = favorable events/Total events

P(E) = 5/8

(B) P(NOT Yellow)

P(E) = favorable events/Total events

P(E) = 7/8

(C) P(white or yellow)

P(E) = favorable events/Total events

P(E) = 3/8

Therefore, the answers to all the subparts using the probability formula are shown:

(A) P(red ball): 5/8

(B) P(NOT Yellow): 7/8

(C) P(white or yellow): 3/8

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Comparing the means of the two samples, we find that the difference between the means is significant. Therefore, we can reject the claim and conclude that male and female high school students have different exam scores.

To perform the two-sample t-test, we first calculate the standard error of the difference between the means using the formula:

SE = sqrt((s1^2 / n1) + (s2^2 / n2))

Where s1 and s2 are the population standard deviations of the male and female students respectively, and n1 and n2 are the sample sizes. Plugging in the values, we have:

SE = sqrt((47^2 / 49) + (4.3^2 / 53))

Next, we calculate the t-statistic using the formula:

t = (x1 - x2) / SE

Where x1 and x2 are the sample means. Plugging in the values, we have:

t = (239 - 21.1) / SE

We can then compare the t-value to the critical t-value at α = 0.01 with degrees of freedom equal to the sum of the sample sizes minus 2. If the t-value exceeds the critical t-value, we reject the null hypothesis.

In this case, the t-value is calculated and compared to the critical t-value using the provided standard normal distribution table. Since the t-value exceeds the critical t-value, we can reject the claim that male and female high school students have equal exam scores.

Therefore, the correct answer is:

B. Male and female high school students have different exam scores.

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Answer:

4) -2g - 11

Step-by-step explanation:

2(3g-4)-(8g + 3) =

6g - 8 - 8g - 3 =

- 2g - 11

Answer:

2 5/8

Step-by-step explanation:

Answer:

2 5/8

Step-by-step explanation:

Individuals in this data set are the model year 2016 motor vehicles. The following variables are given for each individual: Vehicle Model Name (categorical)Engine Displacement (quantitative)Cylinders (quantitative)Transmission (categorical)Fuel Type (categorical)Vehicle Class (categorical)

Fuel Economy in miles per gallon (quantitative)Fuel Cost (quantitative)The categorical variables are Vehicle Model Name, Transmission, Fuel Type, and Vehicle Class. The quantitative variables are Engine Displacement, Cylinders, Fuel Economy in miles per gallon, and Fuel Cost.The quantitative variable Engine Displacement is measured in liters, Cylinders is a unitless quantity.

Fuel Economy in miles per gallon, and Fuel Cost is measured in dollars.

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To describe y as the sum of two orthogonal vectors, x1 in the span{u} and x2 orthogonal to u , we follow two steps procedure:

1.First, find a vector x1 in the span{u} that is the projection of y onto u. To do this, use the formula:
  x1 = (y • u / ||u||^2) * u, where • represents the dot product and || || represents the magnitude of the vector.

2.Next, find the vector x2 that is orthogonal to u. Since y can be represented as the sum of x1 and x2, you can find x2 by subtracting x1 from y:
  x2 = y - x1

3.Now, you have y as the sum of two orthogonal vectors x1 and x2, with x1 in the span{u} and x2 orthogonal to u.

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Answer: 9

Step-by-step explanation:

I am assuming that the grid units equal 1 inch.

We have to solve for x. For the width,

60 = 20/3 x

To divide by a fraction is to multiply by its reciprocal.

x = 60 * 3/20 = 180/20 = 9

The indicated left sum for the given function on the indicated interval, the value L4 for f(x) = 1/x-1on [3, 4] L4 = 0.7595.

Let Ln denote the left-endpoint sum using n sub intervals.

We are given that

\(f(x) = \frac{1}{x-1}\)  [3,4]

We have to find L4

It means n = 4

x = \(\frac{b-a}{n} = \frac{4-3}{4} = \frac{1}{4}\) = 0.25

Now, intervals are

[3, 3.25], [3.25, 3.50], [3.5, 3.75], [3.75, 4]

Now,

\(L_{4} = f(x_{0}) \triangle x+f(x_{1})\triangle x +f(x_{2})\triangle x+f(x_{3})\triangle x\\ \\ L_{4} = \frac{1}{3-1} (0.25)+\frac{1}{3.25-1}(0.25)+\frac{1}{3.5-1}(0.25)+\frac{1}{3.75-1}(0.25)\\ \\ L_{4} = 0.7595\)

Hence the answer is the indicated left sum for the given function on the indicated interval, the value L4 for f(x) = 1/x-1on [3, 4] L4 = 0.7595.

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Answer:

y-7=-6(x-4)

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(1-7)/(5-4)

m=-6/1=-6

y-y1=m(x-x1)

y-7=-6(x-4)

Given:

Monthly fees for the local pool are $8 per month  and $2 per visit.

Hector pays $34 in pool fees total for  the month.

To find:

The number of times he visit the pool.

Solution:

We have,

Monthly fee of pool = $8

Additional fee = $2 per visit

Let Hector visit x times.

Additional fee for x times = $2x

Total fee = Monthly fee + Additional fee

\(34=8+2x\)

\(34-8=2x\)

\(26=2x\)

Divide both sides by 2.

\(\dfrac{26}{2}=x\)

\(13=x\)

Therefore, Hector visit the pool 13 times.

Answer:

the first answer is no

the second one is square

sorry if it is wrong

If Shen produced and Manuel consumed one additional bottle of water, total surplus would be $2

The law of supply and demand combines two fundamental economic ideas that describe how changes in the price of a resource, commodity, or product affect its supply and demand.

Supply grows as the price rises, but demand drops. In contrast, as the price falls, supply is constrained and demand is increased.

Demand and supply levels for different prices can be displayed as curves on a graph. The intersection of these curves symbolizes the process of price discovery in the marketplace, as it indicates the balance, or market-clearing price, at which demand equals supply.

According to the law of demand, demand for a good or resource will decrease as its price increases and increase as its price decreases.

How to solve?

Price ------ Quantity Supplied ----- Quantity Demanded

2 --------------------- 1 ------------------------- 3

4 --------------------- 2 ------------------------ 2

6 --------------------- 3 ------------------------ 1

4 (quantity supplied = quantity demanded = 2)

4 ($7>$4 and $5>$4, $3<$4<$5, area above price line but under curve if price line was at $4, $7-$4=$3, $5-$4=$1, $3+$1=$4); 4 ($1<$4 and $3<$4, $3<$4<$5, area below price line and under curve if price line at $4, $4-$1=$3, $4-$3=$1, $3+$1=$4); 8 ($4 from consumer surplus + $4 from producer surplus)

fall (equilibrium = 2, 2-1=1, Shen: quantity supplied = 1 -> $2, Manuel: quantity demanded = 1 -> $6, total surplus = producer surplus + consumer surplus = ($4-$1)+($7-$4)=$6, $8>$6)

rise (equilibrium = 2, 2+1=3, Manuel: quantity demanded = 3 -> $2, Shen: quantity supplied = 3 -> $6, total surplus = consumer surplus + producer surplus = ($3-$2)+($7-$6)=$2, $8>$2, $6>$2)

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Answer:

Yes

Step-by-step explanation:

Answer:

NO! (first two are yes)

Step-by-step explanation:

He did not buy 2.4 pounds of potato salad, 2.32 rounds down to 2.3.

a) Decision rule: t less than -1.314

b) Test statistics = -2.785

c) Reject H0

What is standard deviation?

The standard deviation in statistics is a measurement of how much a group of values can vary or be dispersed. A low standard deviation suggests that values are often close to the set's mean, whereas a large standard deviation suggests that values are dispersed over a wider range.

Given: The American Water Works Association reports that the per capita water use in a single-family home is 77 gallons per day.

Legacy Ranch is a relatively new housing development.

The builders installed more efficient water fixtures, such as low-flush toilets, and subsequently conducted a survey of the residences.

(a) So, the decision rule is,

t is less that -1.314.

(b) Test statistics = (73 - 77) / (7.6 / √28)

    Test statistics = -2.785

(c)  The decision regarding H0 is, Reject H0.

Hence,

a) Decision rule: t less than -1.314

b) Test statistics = -2.785

c) Reject H0

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The QS would be QS = PQ(1 + PQ/13)

What are the sides and angles of a parallelogram?

S = (n 2) 180°, where 'n' specifies the number of sides in the polygon, can also be used to determine this.

Since PQRS is a parallelogram, opposite sides are parallel and equal in length. Therefore, we can say that PQ = SR and QS = PR.

If QX = 13, then we can use the fact that PQRS is a parallelogram to find the length of QS. We can draw a line segment from Q that is parallel to SR, and call the point where this line segment intersects PS as Y. This forms two triangles, QXY and QSR, which are similar because they share an angle and have parallel sides.

By the properties of similar triangles, we can set up a proportion:

QY/QX = QS/SR

Since QY is the same as PS, we can substitute PQ + QY for PS:

(QX + PQ)/QX = QS/SR

Substituting the value of QX and recognizing that PQ = SR, we get:

(13 + PQ)/13 = QS/PQ

Simplifying this equation, we get:

1 + PQ/13 = QS/PQ

Multiplying both sides by PQ, we get:

PQ + (PQ^2/13) = QS

Since PQ = SR and PQRS is a parallelogram, we know that SR = PQ, so we can substitute PQ for SR:

QS = PQ + (PQ^2/13)

Simplifying further, we get:

QS = PQ(1 + PQ/13)

Therefore, The QS would be QS = PQ(1 + PQ/13)

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Answer:

Choice 3. -4x-3<13

Step-by-step explanation:

First, you will use process of elimination and cross out any obvious wrong answers. You can see that the symbol would not be flipped yet so the "<" would be pointing  to less than. That eliminates choice 1 and 4. Now, You can observe the 3rd step and see that -4x<16, to get that, you would need a "-4x" in the equation. Number 2 is 2x so that can't be right. Therefore, the answer is choice 3. This simple process of elimination and looking for clues will help you greatly in multiple choice problems instead of solving it the hard way.

Answer: C

Step-by-step explanation:

\(-x-3 < 13+3x\\\\\Longleftrightarrow\ -x-3x-3 < 13\\\\this \ step \ is \ missing\ -4x-3 < 13\\\\\Longleftrightarrow\ -4x < 13 + 3\\\\\Longleftrightarrow\ -4x < 16\\\\\Longleftrightarrow\ 4x > -16\\\\\Longleftrightarrow\ x > -4\\\\Answer\ C\)

h+8= -8

h=-8-8

h=(-16)

Hope it helps. Please mark brainliest.

Answer:

length =12.7

Breadth=4.

Width=8.1

here,

area = 384.62

The function y(t) = (a/k) * e^(kt) is the solution to the given differential equation dy/dt = k(a*y - 1).

The given differential equation is dy/dt = k(a*y - 1). To find which of the given functions is a solution, we need to substitute each function into the differential equation and check if the equation holds true.

Let's consider the given functions:

a) y(t) = a^2 * e^(kt) - This function is not a solution to the differential equation because when we substitute it into the equation, we don't get a valid equality. The left side becomes dy/dt = a^2 * k * e^(kt), while the right side becomes k(a * (a^2 * e^(kt)) - 1). These two expressions are not equal, so this function is not a solution.

b) y(t) = (a/k) * e^(kt) - This function is a solution to the differential equation. When we substitute it into the equation, the left side becomes dy/dt = k * (a/k) * e^(kt) = a * e^(kt), and the right side becomes
k * (a * ((a/k) * e^(kt)) - 1) = a * e^(kt). Since the left side and the right side are equal, this function satisfies the differential equation and is a solution.

Therefore, the function y(t) = (a/k) * e^(kt) is the solution to the given differential equation dy/dt = k(a*y - 1).

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The distance covered is 36 km and the original rate is 4 km/hr

From the question, we have the following parameters that can be used in our computation:

Let speed be y and distance be x

The equation of time is

time = x/y

So, we have the following equations

x/(y + 1/2) = x/y - 1

x/(y - 1) = x/y + 3

So, we have

x/y - x/(y + 1/2) = 1

x/(y - 1) - x/y = 3

When solved graphically, we have

x = 36 and y = 4

This means that

The distance covered is 36 km and the speed is 4 km/hr

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Answer:

y =mx

Step-by-step explanation:

The second one is for the gradient

The third one is pythogras theorm

The last one is for the slope of a line(i'm not that sure about this one, sorry if its wrong)

Answer:

below

Step-by-step explanation:

∆y/∆x

2.3/1.5

= 1.533