7. Jim has 44 nickels and dimes totaling
$2.95. How many nickels does he have? Show how you got this answer

Answer:

convex lens

Step-by-step explanation:

M = 2.7 means +2.7 => convex lens

Answer:

One that is smaller than the object and real

Answer:

The translation rule is: (x,y) → (x-3, y+3)

Step-by-step explanation:

A translation rule in geometry is basically asking you what was done to move the shape to its new location on a graph.

In this particular problem, visualizing the graph isn't actually necessary. You only need to figure out what was added or subtracted to get the new numbers from the old ones.

In the beginning, point D was at the x coordinate 1. To make 1 into -2, you subtract three. The points E and F were also changed from their old numbers to the new ones by subtracting 3.

So, we know that the first half of our rule is x-3.

In the beginning, point D was at the y coordinate 3, but it changed to a 6. To get from 3 to 6, you add three more. Points E and F can also be made into their new numbers by adding 3.

So, we know that the second half of the rule is y+3.

I hope this helped. Please let me know if you have any questions :)

Answer:

x=19

Step-by-step explanation:

subtract 12 from each side: 50-12=2x+12-12

38=2x

divide by 2

38/2=2x/2

19=x

Answer:

x=19

Step-by-step explanation:

50=2x+12

50-12=2x+12-12

38=2x

38/2=2x/2

x=19

Answer:

cos2q

Step-by-step explanation:

sin2q x cos2q/sin2q

= cos2q

Answer:

9, -3

Step-by-step explanation:

Answer:

9 and -3 are the factors of 9a-3

The equation that represents the proportional relationship is y=14x. The correct option is D.

Given the table which shows a proportional relationship X=1,2,3 and Y=14,28,42.

We want to find an equation that represents the proportional relationship.

We will find the proportional relationship by dividing Y with X.

When X=1 and Y=14 then proportional relationship is

Y/X=14/1

Multiply both sides by X, we get

(Y/X)X=14X

Y=14X.....(1)

When X=2 and Y=28 then proportional relationship is

Y/X=28/2

Y/X=14

Y=14X.....(2)

When X=3 and Y=42 then proportional relationship is

Y/X=42/3

Y/X=14

Y=14X......(3)

From equation (1),(2) and (3) we get that the proportional relationship is Y=14X.

Hence, an equation that represents the proportional relationship when the table shows a proportional relationship is Y=14X.

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The fourth and fifth term of this sequence is -30 and -10 respectively.

Data;

The common difference in a geometric progression is the ratio between two successive terms.

Let's find the common difference in this sequence

\(r = \frac{-270}{-810} \\r = \frac{1}{3}\)

The nth term of a geometric sequence is given as

\(T_n = ar^n^-^1\\\)

The next two terms of this sequence will be 4th and 5th term.

The fourth term of this sequence is

\(T_4 = ar^4^-^1\\T_4 = -810 * (\frac{1}{3})^3\\ T_4 = -810 * \frac{1}{27}\\ T_4 = -30\)

The fifth term of this sequence is

\(T_5 = ar^5^-^1\\T_5 = -810 * (\frac{1}{3})^4\\T_5 = -810 * \frac{1}{81} \\T_5 = -10\)

The fourth and fifth term of this sequence is -30 and -10 respectively.

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All the items are in the correct order as follows:

Order from least to greatest:

4, 2, 3, 1

The reason for the order from least to greatest is based on the number of possible combinations in each situation.

Neither the letters nor the numbers can be repeated: In this situation, there are 26 choices for the first letter, 25 choices for the second letter (since the first letter has already been chosen and cannot be repeated), 8 choices for the first digit (since it can be any number from 1 to 9), 7 choices for the second digit (since the first digit has already been chosen and cannot be repeated), and 6 choices for the third digit. Therefore, the total number of possible combinations is 26 x 25 x 8 x 7 x 6 = 1,872,000.

The letters can repeat, but the number cannot repeat: In this situation, there are 26 choices for each letter and 9 choices for each digit. Therefore, the total number of possible combinations is 26 x 26 x 9 x 8 x 7 = 328,968.

The number can repeat, but the letters cannot repeat: In this situation, there are 26 choices for the first letter, 25 choices for the second letter, and 9 choices for each digit. Therefore, the total number of possible combinations is 26 x 25 x 9 x 9 x 9 = 5,565,750.

The letter "O" cannot be used but there are no restrictions on repeating the other letters or numbers: In this situation, there are 25 choices for each letter (since "O" cannot be used) and 9 choices for each digit. Therefore, the total number of possible combinations is 25 x 25 x 9 x 9 x 9 = 15,506,250.

Based on the above calculations, the order from least to greatest is 4, 2, 3, 1.

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The text format of the question in the picture:

Use the arrows to move each item into the correct order. Click the up arrow to move the item up, or click the down mow to move the them down. Once all the items are in the correct order, submit your response.

A bike license consists of 2 letters, using any of the 26 letters in the alphabet, followed by 3 digits from 1 to 9. Calculate the number of possible license plates in each situation, then, order them from least to greatest.

The letters can repeat, but the number cannot repeat

The number can repeat, but the letters cannot repeat

Neither the letters nor the numbers can be repeated

The letter "O" cannot be used but there are no restrictions on repeating the other letters or numbers.

Answer: It will take Mary 9 more hours to read her book.

Step-by-step explanation:

Mary:

600x4=2,400

2,400/60=40

Sherry:

620x3=1,860

1,860/60=31

Mary vs. Sherry:

40-31=9

Hence, it will take Mary 9 more hours to complete her book.

The coefficient for the central term in this binomial expansion is approximately 3,268,760, with an accuracy of 6 significant figures.

Using the Binomial Theorem, we can expand the function f(x) = (2x - 3)^25 and find the first five terms of the binomial expansion. The coefficients of each term can be determined using combinatorial calculations. Additionally, we can calculate the coefficient(s) for the central term(s) in the expansion with a high level of accuracy.

The Binomial Theorem allows us to expand a binomial expression raised to a positive integer power. For the function f(x) = (2x - 3)^25, we can find the coefficients of the terms by applying the Binomial Theorem formula:

f(x) = C(25, 0)(2x)^25(-3)^0 + C(25, 1)(2x)^24(-3)^1 + C(25, 2)(2x)^23(-3)^2 + C(25, 3)(2x)^22(-3)^3 + C(25, 4)(2x)^21(-3)^4 + ...

In this formula, C(n, r) represents the binomial coefficient, which is calculated as C(n, r) = n! / (r!(n-r)!). The terms (2x)^k and (-3)^(25-k) represent the powers of 2x and -3, respectively.

To find the first five terms, we substitute the values of k from 0 to 4 into the formula and calculate the coefficients using the binomial coefficient formula. The coefficients for the first five terms are determined by C(25, 0), C(25, 1), C(25, 2), C(25, 3), and C(25, 4).

To calculate the coefficient for the central term(s) in the binomial expansion, we need to identify the term(s) with the highest power of x. In this case, the central term(s) would have a power of x equal to half of the power of the entire expansion, which is 25. Therefore, the central term(s) will have a power of x equal to 25/2.

By substituting 25/2 into the binomial coefficient formula, we can calculate the coefficient(s) for the central term(s) accurately with a high level of precision, using 6 significant figures.

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Answer:

B. 30 soda cans

Step-by-step explanation:

Range = max number - min number = 40 - 10 = 30

Answer:

7x + 33 = 10x

3x = 33, so x = 11

These congruent alternate interior angles measure 110°.

The value of x in the parallel line is 11.

When parallel line are crossed by a transversal line, angle relationships are formed such as corresponding angles, alternate exterior angles, alternate interior angles, same side interior angles, vertically opposite angles etc.

Therefore, let's find the value of x using the angle relationship.

Hence,

7x + 33 = 10x (alternate interior angles)

33 = 10x - 7x

3x = 33

divide both sides by 3

x = 33 / 3

Therefore,

x = 11

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Answer:

C. AB = 5.8 cm

Step-by-step explanation:

In trapezoid ABCD, EF is Midsegment.

\( \therefore EF =\frac{1}{2} (AB + CD) \)

\( \therefore 9.2 =\frac{1}{2} (AB + 12.6) \)

\( \therefore 9.2\times 2= AB + 12.6\)

\( \therefore 18.4= AB + 12.6\)

\( \therefore 18.4-12.6= AB \)

\( \therefore AB= 5.8 \: cm \)

Hope this helps!!!

Have a great day!!!

Answer:

in my knowledge I think 13

we know the turtle is half as old as her parrot

so if we divide 10 by 3/4 we can get how old the turtle is

Answer:

Three choice

Step-by-step explanation:

I think.

Answer:

The ones in red are my answers and the one in black is given

Step-by-step explanation:

I hope it helps

The completed magic square is given below.

Given that, in a magic square, the numbers in each row and in each column have the same sum. This sum is called the magic sum.

We need to complete the magic square so that each row and each column has a magic sum of 0. Each integer from −4 to 4 appears exactly once.

A square is divided into smaller squares each containing a number, such that the figures in each vertical, horizontal, and diagonal row add up to the same value.

The completed magic square is given below.

The sum in the first row=-1+4+(-3)=0

The sum in the second row=-2+0+2=0

The sum in the third row=3+(-4)+1=0

Hence, the completed magic square is given below.

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Answer: Marvin walks a total of 4 + 3 + 4 = 11 blocks.

To find how far he is from his starting point, we need to use the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides.

In this case, the 4 blocks north and 3 blocks east form the legs of a right triangle, and the distance Marvin is from his starting point is the hypotenuse.

So we can calculate it as follows:

distance = sqrt(4^2 + 3^2) = sqrt(16 + 9) = sqrt(25) = 5

Therefore, Marvin is 5 blocks from his starting point.

Step-by-step explanation:

Answer:

1) 115

2) 83

3) 45

4) 137

Step-by-step explanation:

im sure you noticed i just rewrote what numbers were already there, but that's because all angles that are directly across from each other have the same measurement. hope this helps

Answer:

6 wholes

Step-by-step explanation:

\( \frac{19}{3} = 6 \frac{1}{3} \)

So there are 6 wholes in 19/3.

Answer:

First find the coordinates of the vertices. A=(-8,8), B=(-8,3) and C=(-4, 4). Next apply transformation, A'=(2, 2), B=(2, - 3) and C=(6, - 2). Next map this and join them to get the required triangle

Answer:y=-4 x=-2

Step-by-step explanation:

Answer:

x = 3.86

a = 5.86

Step-by-step explanation:

From the triangles attached,

By applying cosine rule in triangle 1,

cos(50)° = \(\frac{\text{Adjacent side}}{\text{Hypotenuse}}\)

cos(50)° = \(\frac{x}{6}\)

x = 6cos(50)°

x = 3.86

Now we apply sine rule in the second triangle,

sin(23)° = \(\frac{\text{Opposite side}}{\text{Hypotenuse}}\)

sin(23)° = \(\frac{a}{15}\)

a = 15sin(23)°

a = 5.86

After solving the equation the required solution is ∠DHG = ∠EHG

What is angle?

An angle is a figure in Euclidean geometry made up of two rays that share a common terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are in the plane where the rays are located. The meeting of two planes also creates angles. We refer to these as dihedral angles.

Given, ∠1 = ∠3

now,

       ∠DHF = ∠1 + ∠2

and, ∠EHG = ∠3 + ∠2

         ∠EHG = ∠1 + ∠2 (As ∠1 = ∠3)

Hence, ∠DHG = ∠EHG

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Answer:

12 lasts 16

18 lasts x

x=16• 18/12

x= 24

The probability that either event will occur is 0.83

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

Event A = 18

Event B = 12

Other Events = 6

Using the above as a guide, we have the following:

Total = A + B + C

So, we have

Total = 18 + 12 + 6

Evaluate

Total = 36

So, we have

P(A) = 18/36

P(B) = 12/36

For either events, we have

P(A or B) = 30/36 = 0.83

Hence, the probability that either event will occur is 0.83

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Answer:

B goes to the neither parralell.A goes to the 2nd one and the last one goes to parell

Step-by-step explanation:

Answer:

g = 2 9/11

Step-by-step explanation:

31 = 11g

g = 31/11

g = 2 9/11

If my answer is incorrect, pls correct me!

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-Chetan K

The scenario that would result in an increase in productivity is when the total number of hours worked by the US labor force increases from 256 billion hours to 285 billion hours while the GDP stays at $20 trillion.

Productivity is a measure of output per unit of input, and in this case, the input is the total number of hours worked by the labor force. When the number of hours worked increases while maintaining the same level of GDP, it suggests that the labor force is becoming more efficient and productive.

By working additional hours without a corresponding decrease in GDP, the workforce is able to produce more output for the same amount of time invested. This increase in productivity can be attributed to factors such as improved efficiency, technological advancements, or better utilization of resources.

On the other hand, the other scenarios described do not necessarily indicate an increase in productivity. Maintaining the same GDP and hours worked or experiencing a decrease in GDP suggests stagnation or a decline in productivity, while an increase in GDP without a corresponding increase in hours worked does not necessarily reflect an improvement in productivity.

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Answer:

4323 :)

Step-by-step explanation:

hope this is what you're looking for!

Answer:

4323

Step-by-step explanation:

2000+36=2036

2036 times 36 = 4412

4412 - 89 = 4323