on a thursday a friend says they will see you again in 45 days. what day of the week will they see you on?

Answer:

We need to see the graph in order to solve this.

Step-by-step explanation:

No graph

Answer: C, 224 inches squared

Step-by-step explanation:

When formed into a solid, the triangles are folded upwards to make a pyramid. You can find the surface area by finding the areas of the individual shapes.

There are four triangles with a height of 10 inches and a base of 8 inches.

There is one square with a side length of 8 inches.

Triangle area formula : A = (b * h) / 2

Square area formula: A = s^2

(10 * 8) / 2 = 40

8 ^ 2 = 64

There are four triangles with area of 40 and one square with area of 64.

40 + 40 + 40 + 40 + 64 = 224 inches squared. The correct answer choice is C.

The surface area of the pyramid is 224 in².

The surface area of a solid object is a measure of the total area that the surface of the object occupies.

Given net will form a square pyramid, so we will find the surface area of the square pyramid.

Therefore,

The area of the pyramid = side² + 2 × side × height

= 8² + 2 × 8 × 10

= 64 + 160

= 224

Hence the surface area of the pyramid is 224 in².

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Answer:

The mean and median are approximately equal. (C)

You would think its B, but apparently, it's not. I took it and C is correct.

ED2021 :)

The mean and median are approximately equal. Option C is correct.

Given that,
The distribution of ages of runners in a marathon is approximately normal. The oldest participant was 80 and the youngest was 13. Which of the following statements is true of the mean and median ages of the runners to be determined,

The mean of the values is the ratio of the total sum of values to the number of values.

Here,
The required option is the mean and median are approximately equal, because, there is data available between 80 and 13 when calculations are done the value of the mean and median lies close to each other.

Thus, the mean and median are approximately equal. Option C is correct.

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The given equation is

In order to satisfy the equation x must be equal to -5 because -5 + 5 = 0.

=======================================================

Explanation:

Triangle ABC is similar to triangle DEF. The order of the lettering is important because it tells us how the letters pair up.

Based on that, we can determine how the segments pair up

We want to find how long EF is, which means we'll involve BC = 17 since it is paired with it.

The diagram shows that AC = 14 and DF = 3, which is another pair we'll use

--------------------------

The key takeaway is that

Those two facts lead to the steps below

\(\frac{AC}{DF} = \frac{BC}{EF}\\\\\frac{14}{3} = \frac{17}{EF}\\\\14*EF = 3*17\\\\14*EF = 51\\\\EF = \frac{51}{14}\\\\EF \approx 3.642857\\\\EF \approx 3.6\\\\\)

The proportion in step 1 is valid due to the similar triangles, and because of the corresponding side pairs mentioned. In step 3, I cross multiplied.

Answer:

3.6 cm

Step-by-step explanation:

Similar Triangle Theorem

If two triangles are similar, the ratio of their corresponding sides is equal.

Given triangles:

Therefore the corresponding sides are:

To find the measure of side EF, use the Similar Triangle Theorem:

\(\implies \sf AC:DF=BC:EF\)

\(\implies \sf \dfrac{AC}{DF}=\dfrac{BC}{EF}\)

\(\implies \sf \dfrac{14}{3}=\dfrac{17}{EF}\)

\(\implies \sf EF=17 \cdot \dfrac{3}{14}\)

\(\implies \sf EF=\dfrac{51}{14}\)

\(\implies \sf EF=3.642857...\)

\(\implies \sf EF=3.6\:cm\:\:(nearest\:tenth)\)

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Answer:

q < 3

Step-by-step explanation:

2(q–8)<–10

Divide each side by 2

2/2(q–8)<–10/2

q-8 < - 5

Add 8 to each side

q-8+8 < - 5+8

q < 3

Answer:

\( = q < 3\)

Step-by-step explanation:

\(2(q - 8) < - 10 \\ 2q - 16 < - 10 \\ 2q < - 10 +1 6 \\ 2q < 6\\ \frac{2q}{2} < \frac{6}{2} \\ = q < 3\)

hope this helps

brainliest appreciated

good luck! have a nice day!

Answer:

9

Step-by-step explanation:

So it kinda easy but ill Just give u the answer :D

Answer:

9-3÷ 1/3+1= 9

Step-by-step explanation:

I can't do solution sorry.

Answer:  about 15

Step-by-step explanation:

Answer:

15 is the answer

Step-by-step explanation:

Answer:

x= 4/3

Step-by-step explanation:

Subtract 3/7 from both sides

-x= 2x-28/7

simplify

-x=2x-4

Subtract 2x from both sides

-3x=4

divide both sides by -3

x= 4/3

Answer: The value of x in trapezoid ABCD is 15

Step-by-step explanation: The trapezoid as described in the question has two bases which are AB and DC and these are parallel. Also it has sides AD and BC described as congruent (that is, equal in length or measurement). These descriptions makes trapezoid ABCD an isosceles trapezoid.

One of the properties of an isosceles trapezoid is that the angles on either side of the two bases are equal. Since line AD is equal to line BC, then angle D is equal to angle C. It also implies that angle A is equal to angle B.

With that bit of information we can conclude that the angles in the trapezoid are identified as 3x, 3x, 9x and 9x.

Also the sum of angles in a quadrilateral equals 360. We can now express this as follows;

3x + 3x + 9x + 9x = 360

24x = 360

Divide both sides of the equation by 24

x = 15

Therefore, in trapezoid ABCD

x = 15  

Answer:

x=15

Step-by-step explanation:

Answer:

B. 3.14

Step-by-step explanation:

Area of a circle = π r^2

Radius of coin = 1 cm

=π r^2

=π 1^2

=3.14

The value of a and b for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

Logarithmic regression is a type of regression which is used to model the statement in which the growth or decay initially at rapid rate, and then slow down with respect to time.

The data of the table for the day and height of the stalk of corn is listed below.

Day (x)                9    12    22    40    

Height (y) in        5    17    45    60  

Mean of x values,

\(m_x=\dfrac{9+12+22+40}{4}\\m_x=17.5581\)

Mean of y values,

\(m_y=\dfrac{5+17+45+60}{4}\\m_y=31.75\)

For the above table, the value of correlation coefficient is 0.99133. For these values, the logarithmic regression can be given as,

\(y = -76.2038+37.6735\ln(x)\)

Compare it with the following logarithmic regression equation, we get

\(y = a+b\ln(x)\)

\(a=-76.2038\\b=37.6735\)

Hence, the value of a and b for the data values of stalk of corn using the logarithmic regression is -76.2038 and 37.6735 respectively.

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Answer: a= -76.204

b= 37.673

51 days

Step-by-step explanation:

Answer:

Can I get brainliest please?

Step-by-step explanation:

Ok so, Let's solve your equation step-by-step.

5x−2(2x−1)=6

Step 1: Simplify both sides of the equation.

5x−2(2x−1)=6

5x+(−2)(2x)+(−2)(−1)=6(Distribute)

5x+−4x+2=6

(5x+−4x)+(2)=6(Combine Like Terms)

x+2=6

x+2=6

Step 2: Subtract 2 from both sides.

x+2−2=6−2

x=4

So, your answer would be:

x=4

Answer:

x=4

Step-by-step explanation:

5x-2(2x-1)=6

multiply 2 to the parathesis

5x-4x+2=6

collect like terms

x+2=6

subtract both sides by 2

x=4

The pilot should release the bales approximately 440.8 meters in front of the cattle for them to land at the point where the cattle are stranded.

To determine how far in front of the cattle the pilot should release the bales of hay, we need to consider the horizontal distance traveled by the bales during their fall.

Since there are no horizontal forces acting on the bales (neglecting air resistance), the horizontal motion can be analyzed separately from the vertical motion.

Given:

The height above the ground when the bales are released: 120 m

The horizontal velocity of the airplane: 80.0 m/s

The time taken for the bales to fall from the release point to the ground can be found using the equation of motion for vertical free fall:

h = (1/2) × g × t²

where:

h is the vertical distance traveled (120 m in this case)

g is the acceleration due to gravity (approximately 9.8 m/s²)

t is the time taken for the fall

Rearranging the equation, we can solve for t:

t² = (2 × h) / g

t = sqrt((2 × 120) / 9.8) ≈ 5.51 s

Now, we can calculate the horizontal distance traveled by the bales during this time:

distance = velocity × time

distance = 80.0 m/s × 5.51 s ≈ 440.8 m

Therefore, the pilot should release the bales approximately 440.8 meters in front of the cattle for them to land at the point where the cattle are stranded.

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Answer:

need to know the dimentions of the room

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

9(x+1)=25+x

9x+9=25+x

9x-x=25-9

8x=16

x=16/8

x=2

Choose an equation, multiply a row by a constant to make it equal to 1, use row operations to make all other elements in the same column equal to 0, repeat for all elements in the matrix, when all elements are equal to 1, the 3x3 matrix is solved

To solve a 3x3 matrix for beginners, start by writing the equation in the form of Ax = B. Then, choose a set of three equations from the matrix that are independent of each other and solve the first equation for one of the unknowns, substituting the known values for the other two unknowns. Substitute the value of the unknown from the first equation into the other two equations and solve for the remaining two unknowns. Finally, check the solution by substituting the values of all three unknowns into the original equation.

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By visual inspection, the best-fitting regression model for the data plot below will be A. Exponential.

Using a line, a regression model statistically predicts the relationship between a dependent variable and one or more independent variables. We fit a mathematical curve to the data set as a representative of the pattern in the data set in order to predict the output based on the inputs when the data exhibits some trend, either linear (making a line) or non-linear (a predictable curve).

We can see that a smooth curve can be fitted in the considered data even though the considered plot does not form a straight line (therefore, no linear fitting). Since the graph of the exponential functions roughly follows the same path (for positive exponent, and increasing value of output).

The following provides the best-fitting regression model for the data plot under consideration: Exponential is Option A.

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Complete question

By visual inspection, determine the best-fitting regression model for the data plot below.

A) Exponential

B) No pattern

C) Linear decreasing

D) Linear increasing

Answer:

30 cm

Step-by-step explanation:

Make sure all units are the same!

P = Perimeter

A = Area

Formula used for similar figures:

\(\frac{A_{1}}{A_{2}} = (\frac{l_{1}}{l_{2}})^{2}\) —- eq(i)

\(\frac{P_{1}}{P_{2}} = \frac{l_{1}}{l_{2}}\) ———— eq(ii)

Applying eq(ii):

∴\(\frac{25}{P_{2}} = \frac{10}{12}\)

Cross-multiplication is applied:

\((25)(12) = 10P_{2}\)

\(300 = 10P_{2}\)

\(P_{2}\) has to be isolated and made the subject of the equation:

\(P_{2} = \frac{300}{10}\)

∴Perimeter of second figure = 30 cm

Answer: 27/45 > 20/45

Step-by-step explanation:

You must make the denominator of each fraction equivalent while keeping the value of each individual fraction the same.

3/5 x (9/9) = 27/45

4/9 x (5/5) = 20/45

27/45 > 20/45

Answer: 27/45 > 20/45

Step-by-step explanation:

You must make the denominator of each fraction equivalent while keeping the value of each individual fraction the same.

3/5 x (9/9) = 27/45

4/9 x (5/5) = 20/45

27/45 > 20/45

The measures in the circle given in the image above are calculated as:

1. m<PSQ = 130°;   2. m<AQS = 30°; 3. m(QR) = 100°; 4. m(PS) = 110°; 5. (RS) = 70°.

In order to find the measures in the circle shown, recall that according to the inscribed angle theorem, the measure of intercepted arc is equal to the central angle, but is twice the measure of the inscribed angle.

1. m<PSQ = m<PAQ

Substitute:

m<PSQ = 130°

2. Find m<PBQ:

m<PBQ = 1/2(m(PQ) + m(RS)) [based on the angles of intersecting chords theorem]

Substitute:

m<PBQ = 1/2(130 + 2(35))

m<PBQ = 100°

m<AQS = 180 - [m<BAQ + m<PBQ]

Substitute:

m<AQS = 180 - [(180 - 130) + 100]

m<AQS = 30°

3. m(QR) = m<QAR

Substitute:

m(QR) = 100°

4. m(PS) = 180 - m(RS)

Substitute:

m(PS) = 180 - 2(35)

m(PS) = 110°

5. m(RS) = 2(35)

m(RS) = 70°

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Answer:

2

Step-by-step explanation:

first you take the 1 and add the other 1 to it so it equals 2

Answer:

1.7

Step-by-step explanation:

Answer:

the answer B

...................................

Answer:

10 units and 157.84 units

Step-by-step explanation:

4

substitute t = 1 into the equation

h = - 16(1)² + 6 = - 16 + 6 = - 10

the value is negative since the ball travels down

the ball has travelled 10 units after 1 second

5

substitute t = 3.2 into the equation

h = - 16(3.2)² + 6 = - 16(10.24) + 6 = - 163.84 + 6 = - 157.84

the well is 157.84 units deep

Answer:

Brand B

Step-by-step explanation:

To determine which brand is the best to buy, we need to find the unit price for each of the brands. To do this, we will take the cost and divide it by the number of ounces to find the price per ounce. So, let's do just that:

Brand A:

Price: $2.99

Ounces: 40

Unit Price = Price / Ounces

Unit Price = 2.99/40

Unit Price = 0.07475

Brand B:

Price: $4.39

Ounces: 64

Unit Price = Price / Ounces

Unit Price = 4.39/64

Unit Price = 0.06859375

Brand C:

Price: $1.80

Ounces: 24

Unit Price = Price / Ounces

Unit Price = 1.8/24

Unit Price = 0.075

So, since  Brand B has the lowest price per ounce, or unit cost, Brand b is the best buy.

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The expected total prize money is $2p/q.

Given that,

You participate as a participant in a game show and respond to questions. You receive $1 for each correct response, and you are disqualified if you first provide two consecutive inaccurate answers. You can answer properly with probability p or wrongly with probability q. Each question stands alone.

Let,

The probability of correctly answering a question is = p

The probability of incorrectly answering a question is = q

The number of failures after which you are eliminated is = 2

Let r = 2 =  No. of failures and

Let q = The probability of failure in a single question

Now, the number of questions that you will attempt will follow a negative binomial distribution whose parameters are r and q.

The expected value of a negative binomial distribution is given by

E[X] = r/q

So, the expected number of questions that you will attempt is = r/q = 2/q

Out of 2/q questions, the expected number of correct questions is = 2p/q

So, the expected total prize money is $2p/q.

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The p-value for a hypothesis test that μx=520 is the probability of observing a sample mean as extreme or more extreme than 520, assuming that the true population mean is 520. It is calculated using the test statistic and a t-distribution or z-distribution, and is used to make a decision about the null hypothesis.

The p-value for a hypothesis test is the probability of observing a test statistic as extreme or more extreme than the one observed, assuming that the null hypothesis is true. In the case of the hypothesis test that μx=520, the p-value would be the probability of observing a sample mean as extreme or more extreme than 520, assuming that the true population mean is 520.

To calculate the p-value, we would first need to calculate the test statistic, which is the difference between the sample mean and the hypothesized population mean, divided by the standard error of the sample mean. The standard error of the sample mean is the standard deviation of the population divided by the square root of the sample size.

Once we have the test statistic, we can use a t-distribution or a z-distribution, depending on the sample size, to find the p-value. The p-value is the area in the tail of the distribution that corresponds to the test statistic.

If the p-value is less than the significance level, we would reject the null hypothesis and conclude that there is evidence to support the alternative hypothesis. If the p-value is greater than the significance level, we would fail to reject the null hypothesis and conclude that there is not enough evidence to support the alternative hypothesis.

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The zeros of the function P(x) = x³ + 5x² - 4x - 2 are -1, -2.7913, and 0.7913.

The given function is P(x) = x³ + 5x² - 4x - 2. Now, to find all the zeros for the function, we can apply the Rational Root Theorem.Rational Root Theorem states that if a polynomial function has integer coefficients, then every rational zero will have the form of p/q where p is a factor of the constant term and q is a factor of the leading coefficient.

Steps to use Rational Root Theorem:

1: Make sure that the polynomial is written in standard form.

2: List all of the possible factors of the constant term.

3: List all of the possible factors of the leading coefficient.

4: Use synthetic division to test the possible rational roots. The roots that result in a zero remainder are the rational roots.

5: Once a rational root is found, use synthetic division again to reduce the polynomial by a factor of the root.

6: Repeat steps 4 and 5 until all rational roots have been found.

Factors of the constant term, -2 are 1, 2

Factors of the leading coefficient, 1 are 1We know that the rational roots of P(x) = x³ + 5x² - 4x - 2 will have the form of ± p/q where p is a factor of the constant term and q is a factor of the leading coefficient.

All possible rational zeros of P(x) = x³ + 5x² - 4x - 2 can be written as± 1, ± 2

4:Now, we will use synthetic division to test the possible rational roots.

(i) For the root -1

Applying synthetic division, we get

Now, the polynomial is reduced by the factor (x + 1)

Therefore, P(x) can be written as(x + 1)(x² + 4x - 2)

Now, we need to find the zeros of the quadratic equation x² + 4x - 2.

To find the zeros of the quadratic equation, we can apply the quadratic formula, which is given by$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$

Where a, b, and c are the coefficients of the quadratic equation ax² + bx + c. So, here a = 1, b = 4, and c = -2.Solving for x, we get

Therefore, the zeros of the function P(x) = x³ + 5x² - 4x - 2 are -1, -2.7913, and 0.7913.

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