What is
3a + 7 - 2a ?

Answer: Hello user! I believe this was the question you were asking:  Select the two correct comparisons. 0.057 < 0.008(A) 0.057 < 0.57(B) 0.57 = 0.570(C) 0.57 > 1.001(D) 0.057 < 0.049(E) In this case B and C are the two correct options.

Step-by-step explanation: Consider marking this answer as brainliest if it helped you out.

Step-by-step explanation:

You can insert different values of x to find y

For example:

x = 4

Plug in x into the equation

y = -1/2(4) + 5

y = -2 + 5

y = 3

So your point will be (4, 3)

If you do 1 more like this, you can draw a line between them. Or you can use Desmos to graph the line.

Hope this helped you!!

Since 2/9 equals 0.2 repeating, 12/54 equals the same.

Answer: 12

The 98% confidence interval for the average age of all students at the community college is 22.228 to 23.772 years.

To calculate the 98% confidence interval for the average age of all students at the community college, we can use the formula:

Confidence Interval = sample mean ± (Z * standard deviation / √sample size)

Given that the sample size is 36, the sample mean is 23 years, and the standard deviation is 1.9 years, we need to find the value of Z for a 98% confidence level.

The Z-value for a 98% confidence level corresponds to an area of 0.98 in the standard normal distribution. To find this value, we can look it up in a Z-table or use statistical software. The Z-value for a 98% confidence level is approximately 2.33.

Plugging in the values into the formula, we have:

Confidence Interval = 23 ± (2.33 * 1.9 / √36)

Calculating the expression:

Confidence Interval = 23 ± (2.33 * 1.9 / 6)

Confidence Interval = 23 ± (4.507 / 6)

Confidence Interval = 23 ± 0.751

Therefore, the 98% confidence interval for the average age of all students at the community college is:

22.249 to 23.751

The closest option among the given choices is c. 22.228 to 23.772.

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The degrees of freedom for the A B interaction term in the Two-way ANOVA experiment with 4 levels of Factor A, 3 levels of Factor B, and 3 observations per treatment combination is 6.

In a Two-way ANOVA, the degrees of freedom for the A B interaction term can be calculated as (a - 1) × (b - 1), where 'a' represents the number of levels of Factor A and 'b' represents the number of levels of Factor B. In this case, Factor A has 4 levels, and Factor B has 3 levels. Therefore, the degrees of freedom for the A B interaction term would be (4 - 1) × (3 - 1) = 3 × 2 = 6.

The degrees of freedom for the interaction term represent the number of independent pieces of information available to estimate the interaction effect between Factor A and Factor B. In this experiment, with 4 levels of Factor A, 3 levels of Factor B, and 3 observations per treatment combination, there are 6 degrees of freedom for the A B interaction term. These degrees of freedom allow for testing the significance of the interaction effect and examining the joint influence of Factor A and Factor B on the response variable in the Two-way ANOVA analysis.

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Because r must be between -1.00 and +1.00 and the closer to either indicates a stronger relationship, the strongest must be -0.74. It is a strong negative correlation.

Any statistical association, whether causal or not, between two random variables or bivariate data is referred to in statistics as correlation or dependency. A statistical measure known as correlation expresses how closely two variables are related linearly (meaning they change together at a constant rate). It's a typical technique for describing straightforward connections without explicitly stating cause and consequence.

A relationship between two variables is said to have a positive correlation when both variables move in the same direction. Consequently, when one variable rises as the other rises, or when one variable falls while the other falls. The link between height and weight is a good example.

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Answer:  There is a total of 900 seats in the auditorium.

Step-by-step explanation:

there is a formula for this

t - n = a + ( n - 1) d

It is called a Arithmetic Progression.

We use this to find the number of seats in the last row first.

a = initial value, 12

d = common difference for each successive term

n = is the number of terms in the sequence

t - 25 = 12 + (25 -1) * 2

We ignore the left side for now, just solve the right and we get 60.

Now we use the equation,

n / 2 (2a + n -1 * d)

So,

25/2 ( 24 + 24 * d)

The answer is 900

Definitions of the given terms are as follows:

Effacement: Effacement refers to the shortening and thinning of the cervix, which is a sign of the onset of labor and the beginning of dilation.

Dilation: Dilation refers to the opening of the cervix to allow the fetus to pass through the birth canal. It is measured in centimeters.

Fetal lie: Fetal lie is the position of the fetus in the womb. It can be either longitudinal or transverse.

Fetal attitude: Fetal attitude refers to the position of the fetus in the womb. It can be either flexed or extended.

Cephalic presentation: Cephalic presentation is when the head of the fetus is the first part to come out during delivery.

Breech presentation: Breech presentation is when the baby’s buttocks or feet come out first during delivery.

Anterior fontanel: The anterior fontanel is a soft spot on the baby's skull where the bones have not yet fused together.

Posterior fontanel: The posterior fontanel is a soft spot on the back of the baby's head.

Longitudinal lie: Longitudinal lie refers to the position of the fetus in the womb, with the head or the buttocks pointing toward the mother’s pelvis.

Transverse lie: Transverse lie refers to the position of the fetus in the womb, with the head or the buttocks pointing toward the mother’s sides.

Flexion: Flexion is the natural fetal position with the head tucked down towards the chest.

Extension: Extension is the position of the fetal head during delivery when the head is tilted backward.

Vertex presentation: Vertex presentation is when the head of the fetus is down and the neck is flexed.

Braxton Hicks contractions: Braxton Hicks contractions are mild uterine contractions that occur during pregnancy.

Lightening: Lightening is when the baby drops lower into the pelvis and the mother feels less pressure under her ribs.

Bloody show: Bloody show is the discharge of blood or mucus from the vagina when the cervix starts to dilate.

True labor: True labor is the onset of regular contractions that lead to cervical effacement and dilation.

Descent: Descent is the downward movement of the fetus through the birth canal.

Engagement: Engagement is when the largest diameter of the baby's head passes through the mother's pelvic brim.

Expulsion: Expulsion is the final stage of labor when the baby is born.

First stage of labor: The first stage of labor is the onset of regular contractions until the cervix is fully dilated.

Latent Labor phase: The latent labor phase is the early stage of labor in which the cervix begins to efface and dilate.

Active Labor phase: The active labor phase is the stage of labor where the cervix is dilated between 6-10 cm.

Transition Labor phase: The transition labor phase is the stage of labor when the cervix is fully dilated.

Second stage of labor: The second stage of labor is the period of time from full cervical dilation to delivery of the baby.

Third stage of labor: The third stage of labor is the period of time from the delivery of the baby until the delivery of the placenta.

Fourth stage of labor: The fourth stage of labor is the period of time from the delivery of the placenta until the mother is stable.

Multiparous: A woman who has given birth two or more times.

Nulliparous: A woman who has never given birth.

Ruptured membranes: Ruptured membranes refer to the breaking of the amniotic sac that surrounds the fetus during pregnancy.

Fetal heart rate: Fetal heart rate is the number of times the fetal heart beats per minute.

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Answer:

This can't be answered as the data of Tom and Susan's box plots aren't shown.

To solve the system using the elimination method (AKA combining the equations), you want to first set up the system so that one variable will be eliminated when you add the equations together.

The first equation has -2x, while the second one has -8x.  If we multiply the entire first equation by -4, we'd turn that -2x into 8x, which would cancel out when you add that with the -8x in the second equation:

   -4 ( -2x +   y = 10 )    –>       8x - 4y = -40

         -8x + 3y = 32     –>      -8x + 3y = 32

And if you add the new equations on the right, you'll end up with
    0x - y = -8    
which means y = 8.

We could do the something similar to eliminate the y's.  The first equation has y, while the second one has 3y.  If we multiply the entire first equation by -3, we'd turn that y into -3y, which would cancel out when you add that with the 3y in the second equation:

   -3 ( -2x +   y = 10 )    –>      6x - 3y = -30

         -8x + 3y = 32     –>      -8x + 3y = 32

And if you add the new equations on the right, you'll end up with
    -2x + 0y = 2
which means x = -1.

Putting those together, we have a solution of (-1, 8), which checks in both equations.

\( {\qquad\qquad\huge\underline{{\sf Answer}}} \)

Let's solve ~

Area of shaded region is equal to :

Area of rectangle - Area of two triangles ~

1. Area of rectangle :

\(\qquad \sf  \dashrightarrow \: length \times width\)

\(\qquad \sf  \dashrightarrow \: 20 \times 15\)

\(\qquad \sf  \dashrightarrow \: 300 \: \: cm {}^{2} \)

2. Area of first triangle :

\(\qquad \sf  \dashrightarrow \: \cfrac{1}{2} \times (base) \times (height)\)

\(\qquad \sf  \dashrightarrow \: \cfrac{1}{2} \times (20 - 18) \times (15)\)

\(\qquad \sf  \dashrightarrow \: \cfrac{1}{2} \times (2) \times (15)\)

\(\qquad \sf  \dashrightarrow \: 15 \: \: cm {}^{2} \)

3. Area of second triangle :

\(\qquad \sf  \dashrightarrow \: \cfrac{1}{2} \times (base) \times (height)\)

\(\qquad \sf  \dashrightarrow \: \cfrac{1}{2} \times (6) \times(20)\)

\(\qquad \sf  \dashrightarrow \: 3 \times 20\)

\(\qquad \sf  \dashrightarrow \: 60 \: \: cm {}^{2} \)

Area of shaded region is :

\(\qquad \sf  \dashrightarrow \: 300 - (15 + 60)\)

\(\qquad \sf  \dashrightarrow \: 300 - 75\)

\(\qquad \sf  \dashrightarrow \: 225 \: \: cm {}^{2} \)

Answer: 11

Step-by-step explanation:

Answer:

n = -13

Step-by-step explanation:

19 + 10n = 7n - 20

Subtract 7n from each side

19 + 10n-7n = 7n-7n - 20

19+3n = -20

Subtract 19 from each side

19+3n -19 = -20-19

3n = -39

Divide each side by 3

3n/3 = -39/3

n = -13

Answer:

(42.5, 37.5)

Step-by-step explanation:

Given:

Arthur = A(20, 35)

Cameron = C(65, 40)

Jamie = J(45, 20)

Required:

Coordinate of the midpoint of the distance between A and C.

SOLUTION:

Midpoint (M) of AC, is given as:

\( M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2}) \)

Let \( A(20, 35) = (x_1, y_1) \)

\( C(65, 40) = (x_2, y_2) \)

Plug the values into the given formula:

\( M(\frac{20 + 65}{2}, \frac{35 + 40}{2}) \)

\( M(\frac{85}{2}, \frac{75}{2}) \)

\( M(42.5, 37.5) \)

Coordinate Jamie should run towards is (42.5, 37.5)

A total of 5 cars would be needed for both families to ride the bumper cars.

To find the number of cars needed for the two families, we can use the following set of equations:

Let x be the number of cars needed for the family of 6.
Let y be the number of cars needed for the family of 4.

We know that each car holds 2 people, so:

2x = 6  (each car holds 2 people in the family of 6)
2y = 4  (each car holds 2 people in the family of 4)

Solving for x and y, we get:

x = 3  (the family of 6 needs 3 cars)
y = 2  (the family of 4 needs 2 cars)

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z >1 for the given inequality for x.

To solve the following inequality for x.

-26 + 13z + 2 > 2 132

Since there is no x in this I'm assuming we are looking for z

Step 1: Simplify both sides

15r - 26 > -13z + 2

Step 2: Add 13z to both sides

15r - 26 + 13z > -13z + 2 + 13z

28 - 26 > 2

Step 3: Add 26 on both sides

28 - 26 + 26 > 2 + 26

28z > 28

Step 4: Divide both sides by 28z / 28 > 28 / 28

z > 1

Hence the answer is z >1 for the given inequality for x.

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Answer:

j = 32

g = 78

Step-by-step explanation:

because they are similar you can use CPCTC corresponding parts of congruent triangles are congruent to determine f = j and h = g

Answer:

it is to help me out but the answer is 59-=9x67-=7

Step-by-step explanation:

the answer is 7

The child will receive approximately 61.6 mg of pantoprazole per day.

To calculate the total amount of pantoprazole the child will receive per day, we need to convert the weight of the child from pounds to kilograms. Since 1 kg is approximately 2.20462 pounds, we can calculate the weight of the child in kilograms as follows:

68 lb ÷ 2.20462 lb/kg ≈ 30.909 kg

Next, we multiply the weight of the child by the prescribed dose of pantoprazole (2 mg/kg/day) to determine the total amount of pantoprazole the child will receive per day:

30.909 kg × 2 mg/kg/day ≈ 61.818 mg/day

However, since the available vial contains 40 mg/ml, we need to round down to the nearest whole number. Therefore, the child will receive approximately 61.6 mg of pantoprazole per day.

In summary, a 68-lb child will receive approximately 61.6 mg of pantoprazole per day based on the prescribed dose of 2 mg/kg/day.

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Answer:

6in?

Step-by-step explanation:

I'm not 100% sure if my answer will be right but hopefully im thinking good!

54÷9=6

Answer: 6 in

Hope this helps :D

Answer: OPTION D ( \(6^{-67/28}\) )

Step-by-step explanation:

\(6^{-5/4} * 6^{-8/7}\)

\(6^{(-5/4) + (-8/7)}\)

\(6^{\frac{(-35-32)}{28} }\)

\(6^{-67/28} option D\)

Answer:

202500 is required deposit

Step-by-step explanation:

Based on the given conditions,

formulate:  225000  × 90 %  

Calculate the product or quotient: 202500  

get the result: 202500  

Answer: 202500

(Hope this helps can I pls have brainlist (crown)☺️)

With the mortgage 90 percent, the deposit required is $202500.

Given that, a luxury apartment is priced at $225000.

A bank offers a 90% mortgage.

A fixed-rate mortgage is a home loan option with a specific interest rate for the entire term of the loan.

Here, 90% of 225000

\(= \frac{90}{100} \times225000\)

\(=90\times2250\)

\(=202500\)

Therefore, the deposit required is $202500.

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To fill the rest of the gas tank, the cost would depend on the tank's capacity and the current price per gallon. And as per calculated, cost of $13.74 to fill the rest of the gas tank.

To calculate the cost of filling the rest of the gas tank, we need to consider the tank's capacity and the remaining fuel needed. Let's assume the gas tank has a capacity of 15 gallons. If the tank is currently 20% full, it means there are 0.2 * 15 = 3 gallons of fuel remaining to be filled.

Next, we multiply the number of gallons needed (3) by the current price per gallon ($4.58) to find the total cost. Multiplying 3 by $4.58 gives us a cost of $13.74 to fill the rest of the gas tank.

However, it's worth noting that gas prices can vary based on location, time, and other factors. The given price of $4.58 per gallon is assumed for this calculation, but it may not reflect the actual price at the time of filling the tank. Additionally, the tank's capacity may vary depending on the vehicle model, so it's essential to consider the specific details to calculate an accurate cost.

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The velocity of the particle at t = 3.8s is approximately 119.876 cm/s.

The calculations step by step to find the velocity of the particle at t = 3.8s.

x = at³ - bt² + ct + d

a = 2.8

b = 2.8

c = 10.1

d = 5.3

1. Find the derivative of the position function with respect to time (t).

v = dx/dt

Taking the derivative of each term separately:

d/dt (at³) = 3at²

d/dt (-bt²) = -2bt

d/dt (ct) = c (since t is not raised to any power)

d/dt (d) = 0 (since d is a constant)

So, the velocity function becomes:

v = 3at² - 2bt + c

2. Substitute the given values of a, b, and c into the velocity function.

v = 3(2.8)t² - 2(2.8)t + 10.1

3. Calculate the velocity at t = 3.8s by substituting t = 3.8 into the velocity function.

v = 3(2.8)(3.8)² - 2(2.8)(3.8) + 10.1

Now, let's perform the calculations:

v = 3(2.8)(3.8)² - 2(2.8)(3.8) + 10.1

 = 3(2.8)(14.44) - 2(2.8)(3.8) + 10.1

 = 3(40.352) - 2(10.64) + 10.1

 = 121.056 - 21.28 + 10.1

 = 109.776 + 10.1

 = 119.876

Therefore, the velocity of the particle at t = 3.8s is 119.876 cm/s.

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Answer:

10 meters.

Step-by-step explanation:

The area of a rectangle formula is width multiplied by length. So, to find the length of the pool, simply divide the width from the area.

90/9=10

The length of the pool is 10 meters.

Hope this helps!

If not, I am sorry.