PLZZ HELPP ILL GIVE BRAINLIST

Read and interpret. colored pencils box and shares them equally with her friend, Talia. Her brother gives her 2 more colored pencils. Janice now has 3 pencils her box.

Answer:

12

Step-by-step explanation:

Answer:

17,850

Step-by-step explanation:

Number line model represented in option C represents the expression 6 + (-2).

Number line is a pictorial representation of numbers, both negative and non-negative numbers, written on a horizontal straight line within specific intervals.

Number line are used to determine basic mathematical operations like addition, subtraction, division and multiplication.

So here, we are adding the value -2 with 6.

First draw an upward arrow from 0 to 6 in order to represent that we are initiating the addition process with 6.

Then the number -2 added to 6 implies that the number 2 is actually deducting from 6.

So we draw a downward arrow to unit units from 6.

Then we get the number 4 corresponding to the point where the arrow ends.

Hence, option C is the model which represents the expression 6 + (-2).

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Using translations and proportions, it is found that:

Translations are modifications made to the function, when it is shifted up/down, or left/right.

In this problem, to go from the Community Center to the Post Office, there is a translation of 2 units left and of 3 units down.

The distance is the hypotenuse of a right triangle, in which the legs are 2 units and 3 units. Hence, the distance on the coordinate grid is found applying the Pythagorean Theorem:

\(d^2 = 2^2 + 3^2\)

\(d = \sqrt{13}\)

\(d = 3.606\)

Since each grid is 0.05 mile, in miles, the distance is:

\(d = 0.05(3.606) = 0.18\)

You will travel 0.18 miles.

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The graph represents the system of inequalities 2x + 3y ≥ 4 and x + 2y ≤ 3. The test point (0, 1) satisfies both of the inequalities in that system. So, the correct answer is C). 2x + 3y is greater than or equal to 4 and x + 2y is less than or equal to 3.

The graph represents the system of inequalities: 2x + 3y ≥ 4 and x + 2y ≤ 3. To determine the test point that satisfies both of the inequalities in the system, we can pick any point that lies within the shaded region on the graph. One such point is (1, 1).

Plugging this point into both inequalities, we get

2(1) + 3(1) ≥ 4 → 5 ≥ 4 (true)

1 + 2(1) ≤ 3 → 3 ≤ 3 (true)

Since both inequalities are true for the point (1, 1), it satisfies both of the inequalities in the system. So, the correct option is C).

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--The given question is incomplete, the complete question is given

" Which system of inequalities does the graph represent? Which test point satisfies both of the inequalities in that system?

The graph represents the system of inequalities__________

A) 2x + 3y is greater than or equal to 4 and x+2y is greater than or equal to 3

B) 2x + 3y is less than or equal to 4 and x + 2y is less than or equal to 3

C) 2x + 3y is greater than or equal to 4 and x + 2y is less than or equal to 3

D) 2x +3y is less than or equal to 4 and x + 2y is greater than or equal to 3

E) 2x + 3y is less than or equal to 4 and 2x + 2y is less than or equal to to 3"--

Answer: pee

Step-by-step explanation:

The correct option is A, equilibrium price increases from $6 to $8.

In economics, equilibrium is a state in which the supply and demand for a product or service are balanced, resulting in a stable price. This can occur in a free market, where the price of a good or service is determined by the interaction of buyers and sellers.

Overall, equilibrium is a fundamental concept in many different fields, representing a state of balance or stability in a system or situation.

If the demand schedule changes from D2 to D1, then the demand curve shifts to the left. As a result, the new equilibrium point will be where the new demand curve (D1) intersects with the supply curve (S1).

From the table, we can see that the new equilibrium point is at a price of $8 and a quantity of 15. Therefore, the equilibrium price increases from $6 to $8, but the equilibrium quantity decreases from 15 to 13.

So the correct answer is: equilibrium price increases from $6 to $8.

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The matrix of \(t\) relative to the basis \(b'\) is \(A' = \begin{bmatrix} -9 & 7 \\ -37 & 43 \end{bmatrix}\).

\(\textbf{To find the matrix of } t \textbf{ relative to the basis } b', \textbf{we have to follow some steps. The steps are described below:}\)

First, we have to find the images of basis vectors under the transformation \(t\). \(t(-1,1) = (-9,7)\) and \(t(1,-5) = (-37,43)\).

Represent the image vectors of the basis in the standard basis. We use these vectors as columns in the matrix of \(t\) in the basis \(b'\).

\((-9,7) = -9(1,0) + 7(0,1) = (-9,7) = -9(-1,1) + 7(1,-5)\)

\((-37,43) = -37(1,0) + 43(0,1) = (-37,43) = -37(-1,1) + 43(1,-5)\)

Hence, we can write the following equation: \(A[x]_{b'} = [x]_S\)

Where \(A[x]_{b'}\) is the main answer in the form of a matrix, and \([x]_S\) is the coordinate of \([x]_{b'}\) with respect to the standard basis.

Now, we will write the equations with the coordinates of the basis vectors of \(b'\).

\(A[1,0] = [-9, -37]\) and \(A[0,1] = [7, 43]\)

Now we will write the matrix of \(A\) as follows:

\(A = \begin{bmatrix} -9 & 7 \\ -37 & 43 \end{bmatrix}\)

Thus, the matrix of \(t\) relative to the basis \(b'\) is \(A' = \begin{bmatrix} -9 & 7 \\ -37 & 43 \end{bmatrix}\).

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The amount of money that Alex originally had would be = £8.4

To calculate the original amount of money that Alex has, the following should be carried out;

Th coins owned by Alex is arranged in piles of coins.

The quantity of coins in piles that is owed by Alex = 2 pence.

Half of the pile of coin = £4.20 = 10 pence.

The original amount she owns = 2 × 4.20 = £8.4

Therefore, the original amount of money that is owned by Alex would be = £8.4

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The area of the circle is  113.04 square units.

The area of a circle of radius R is given by:

A = π*R²

Where π = 3.14

Here we know that the center is at (2, 2) and the point (8, 2) is on the circle, then the radius is:

R = √( (2 - 2)² + (8 - 2)²)

R = 6

Then the area of the circle is:

A = 3.14*(6)² = 113.04 square units.

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Answer:

40%

Step-by-step explanation:

52/130 =.4

.4 x 100=40

Answer:

40%

Step-by-step explanation:

40%

Answer:

24:42

Step-by-step explanation:

The 24 comes from the 24 silver fish. The 42 comes from the total fish

Answer:

maybe option no C is correct .

I did in my copy and ans was 5 .

Step-by-step explanation:

its 5 and this the correct answer

12 minutes .

The tank takes 12 minute for the water level to measure 9 inches deep.

Given tank measurement = 15 inches .

it decreases 0.5 inches every minute.

We have to the minute at which water level reaches 9 inches deep,

Here the difference of inches is 6 inches .

15 inches - 6 inches = 9 inches

To find minute ,

  6 / 0.5 = 12 minute .

The tank takes 12 minute to measure 9 inches deep.

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A rule to represent this translation include the following (x, y)  →  (x - 9, y + 4).

In Mathematics, the translation of a geometric figure to the right simply means adding a digit to the value on the x-coordinate (x-axis) of the pre-image of a function while a geometric figure that is translated upward simply means adding a digit to the value on the y-coordinate (y-axis) of the pre-image.

In Mathematics, a vertical translation to the positive y-direction (upward) is modeled by this mathematical expression g(x) = f(x) + N.

Where:

C(3, 2) → C'(-6, 6)

3 + x = -6

x = -6 - 3 = -9.

y + 2 = 6

y = 6 - 2 = 4.

Therefore, the transformation rule is (x, y)  →  (x - 9, y + 4)

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The sample mean of data is 24.19 and median is 3.54. The sign test and hypothesis testing. The boxplot for observation is present above figure. Yes, it support assumption that we are sampling from a normal distribution.

We have a sample data with values 1.48, 4.10, 2.02, 56.59, 2.98, 1.51, 76.49, 50.25, 43.52, 2.96. Also, here consider a sample from a normal distribution with unknown mean and variance, and the hypothesis that the population median (which is the same as the mean in this case) is 3.

Hypothesis testing parameters are

\(Н_0 : \mu = 3 \)

\(H_a : \mu ≠ 3 \)

The sample mean is called the average and it is defined as the ratio sum of data values divided by number of data values.

Median is a statistical measure. It is equals to the middle data value obtained by ordering the data values in ascending order. In case of odd number of data values it is middle value and in case of even number of data values it become mean of two middle values. Here we use Excel function to determine the mean and median values. So, see the above figure, excel command for mean is

'= mean (column contain data values)' and for median '= median ( same column)'. So, mean = 24. 19 and median

= 3.54 . The sign test for hypothesis testing of observations also present in above figure. P-value of test = 0.623 > 0.05 , That is no evidence to reject the null hypothesis. So, population mean = 3. The boxplot of observations also present in above figure.

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The efficiency of the power screw in raising the load is approximately 6976%.

The efficiency of a power screw can be calculated using the formula: Efficiency = (Ideal Mechanical Advantage / Actual Mechanical Advantage) x 100% To find the Ideal Mechanical Advantage (IMA) of the screw, we can use the formula:

IMA = (π / tan(α)) x (π / 2) x (D / P)

Where: π is the mathematical constant pi (approximately 3.14159) tan(α) is the coefficient of friction (given as 0.20) D is the major diameter of the screw (given as 19 mm) P is the pitch of the screw, which can be calculated as (25.4 mm / number of threads per inch) First, let's calculate the pitch: Number of threads per inch = 6

Pitch = 25.4 mm / 6 = 4.23 mm (approximately)

Now, we can substitute the values into the formula to find IMA:

IMA = (π / tan(α)) x (π / 2) x (19 mm / 4.23 mm)

Using the given coefficient of friction, we have:

IMA = (π / 0.20) x (π / 2) x (19 mm / 4.23 mm)

Simplifying the equation, we get:

IMA = 9.87 x 1.57 x 4.49

Calculating IMA, we find:

IMA ≈ 69.76

Now, we need to find the Actual Mechanical Advantage (AMA), which can be calculated using the formula:

AMA = Load / Effort

Where:

Load is the weight being lifted (given as 17.80 kN)

Effort is the force applied to turn the screw

Since the screw is being used to lift the load, the Effort is equal to the load.

AMA = 17.80 kin / 17.80 kin

AMA = 1

Now, we can calculate the efficiency using the formula:

Efficiency = (IMA / AMA) x 100%

Efficiency = (69.76 / 1) x 100%

Efficiency ≈ 6976%

The efficiency of the power screw in raising the load is approximately 6976%.

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Answer:

Step-by-step explanation:

a) -72 = 8 + -6 -2

-72 = 0

b)  -4 + (-32) = (-4.4)

-36 = -4.4

There are 18 seasons and the number of different line-ups the team can make is 24310

A) We are given the team has 17 players and there are 9 different positions in the team.

This is a combination question and thus, the number of different line-ups the team can make is;

C(17, 9) = 24310

B) We are told the basketball games consist of 9 innings.

Thus,

Number of games you can fill = 24310/9 = 2701.1111

And then we are told a season consists of 147 games.

Thus;

The number of complete seasons can the team play without repeating a line-up = 2701.1111/147 ≈ 18 seasons.

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The number of marble Sally's friends take is

A word problem in math is a math question written as one sentence or more that requires children to apply their math knowledge to a 'real-life' scenario.

Solving word problem requires critical thinking.

Let x represents the total number of marble

Sue takes 1/3 of the marble= (1/3)x

remaining marble after sue = x-(1/3)x = (2/3)x

Bill takes 1/4 of the remainder =( 2/3)x × 1/4 =( ⅙)x

the remaining marble after Bill is( ⅔-⅙)x = 5x/6

Brian takes 1/2 of the remainder 5x/6 ÷2 = 5x/12

The remainder after Brian = 5x/6-5x/12= 75

multiply through by 12

= 10x-5x = 900

5x = 900

divide both sides by 5

x = 900/5 = 180 marbles

This means the total marble is 180

after all Sally's friends have taken, 75 is left.

Therefore the number of marbles taken by Sally's friends is 180-75 = 105 marbles

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Given:

Consider the complete question is "A speed walker covered \(4\dfrac{1}{4}\) mi in \(\dfrac{3}{4}\) hour. How far will he walk in 3/4 hours if he walks twice as fast?"

A speed walker covered \(4\dfrac{1}{4}\) mi in \(\dfrac{3}{4}\) hour.

To find:

Distance covered by him if in 3/4 hour if he walks twice as fast.

Solution:

We have,

\(Distance=4\dfrac{1}{2}=\dfrac{9}{2}\)

It means a speed walker covered \(\dfrac{9}{2}\) mi in \(\dfrac{3}{4}\) hour.

If the speed is twice then he can cover double distance is same time.

Distance covered by him if in 3/4 hour if he walks twice as fast is

\(2\times \dfrac{9}{2}=9\)

Therefore, distance covered by him is 9 mi.

Answer:

Step-by-step explanation:

Given functions

To compare steepness we'll compare absolute values of slopes

The steepness increases as the slope increases

The slopes are

Comparing the fractions

And

So the order is

As functions, the order is

a)From this 230 is divisible by 10.Then 995 and 526 are not divisible by 10.b)From this 230 and 995 are divisible by 5 and 526 is not divisible by 5.c) From this 230,995,526 are divisible by 2.

Divisibility by 10: A number is divisible by 10 if its last digit is 0. Therefore, 230 is divisible by 10 since its last digit is 0. 995 and 526 are not divisible by 10 since their last digits are not 0. The mathematical formula for divisibility by 10 is: (10 | N) = 0,Where N is the number that is being tested for divisibility. Calculation: For example, let's take the number 230. (10 | 230) = 0230/10 = 23 Therefore, 230 is divisible by 10. Divisibility by 5: A number is divisible by 5 if its last digit is 0 or 5. Therefore, 230 and 995 are divisible by 5 since their last digits are 0 and 5 respectively. 526 is not divisible by 5 since its last digit is not 0 or 5. The mathematical formula for divisibility by 5 is: (5 | N) = 0Where N is the number that is being tested for divisibility. Calculation: For example, let's take the number 995. (5 | 995) = 0995/5 = 199 .Therefore, 995 is divisible by 5. Divisibility by 2: A number is divisible by 2 if its last digit is 0, 2, 4, 6 or 8. Therefore, 230, 995, and 526 are all divisible by 2 since their last digits are 0, 5 and 6 respectively. The mathematical formula for divisibility by 2 is: (2 | N) = 0Where N is the number that is being tested for divisibility. Calculation: For example, let's take the number 526. (2 | 526) = 0.526/2 = 263 .Therefore, 526 is divisible by 2.

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Answer:

7.4

Step-by-step explanation:

Answer:

Nice! Quadratic Equations!

Step-by-step explanation:

Okay, I'll try to keep it as brief as possible.

To find out how many solutions there are in a quadratic equation, we need to find the Discriminate.

It's pretty simple. The form of a quadratic equation is:

\(ax^2+bx+c=0\)

Our Discriminant is \(b^2-4ac\).

Time to solve! (input b=7, a=9, and c=-4)

\(49+144\\193\)

The discriminate is positive, meaning there are two answers.

If it was zero, there would be only one.

if it was negative, there would be no solutions.

Time to actually solve!

Completing the square looks to be a bad solution, so I'll go with the Quadratic Equation. Remember, don't use it too often.

(Quadratic Equation: \(x=\frac{-b+-\sqrt{b^2-4ac} }{2a}\))

\(x=\frac{-7+-\sqrt{49+144} }{18}\)

\(x=\frac{-7+-\sqrt{193} }{18}\) <-------SOLUTION! COME HERE!

193 seems to be a prime number, so I can't simplify it any more.

There's your solution!

(Note: +- means plus/minus, where there are two cases, one where the square root has a negative sign, and the other with a positive sign.)

Happy Quadraticing!

The product of the unsigned integers 11010 and 1011 in binary multiplication is 10011110.

Hi! I'd be happy to help you with this binary multiplication problem using unsigned integers. Here's the step-by-step process:
1. First, write down the two binary numbers, with the larger one (11010) on top and the smaller one (1011) on the bottom.
2. Start multiplying each digit of the bottom number (1011) with the entire top number (11010), working from right to left. Write the results below the original numbers, shifting one place to the left for each digit.
  11010
 x1011
 ------
   11010   (11010 * 1)
  00000    (11010 * 0, shifted one place to the left)
11010     (11010 * 1, shifted two places to the left)
11010      (11010 * 1, shifted three places to the left)
 ------
3. Now, add the results together:
  11010
 x1011
 ------
   11010
  00000
 11010
11010
 ------
10011110

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The thickness of the film in the given setup of thin film interference is calculated to be 475.8 nm.

A natural phenomena known as "thin-film interference" occurs when light waves reflected by a thin film's upper and lower limits collide with one another, either boosting or weakening the light that is reflected. The reflected waves from both sides interfere and cancel out when the thickness of the film is an odd multiple of one quarter-wavelength of the light on it. The wave is entirely transmitted because it cannot be reflected. The two reflected waves reinforce one another when the thickness is a multiple of the light's half-wavelength, enhancing reflection and decreasing transmission.

As we know that for normal incidence in thin film interference

2μt=nλ₁      (equation 1)

where,

μ₁ is the refractive index

t is the thickness of the film

n is the order

λ is the wavelength of the light

For consecutive spectral line (n+1)

2μt=(n+1)λ₂       (equation 2)

Dividing equation 1 and 2 we get

λ₁/λ₂= \(\frac{n+1}{n}\)

λ₁= 690 nm

λ₂=460 nm

On putting the values and solving we get

n=2

Putting n=2 in equation 1 we get

t= 475.8 nm

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Answer:

______________the answer is Y=0.25X-3.25_______

Answer:

- 40p + 13

Step-by-step explanation:

Given

3 - 10(4p - 1) ← distribute the parenthesis by - 10

= 3 - 40p + 10 ← collect like terms

= - 40p + 13