3. Xavier has $43 in his savings account and plans to save $15 each week. Write an algebraic expression to represent how much Xavier will have in his savings account after w weeks.

Answers

Answer 1

An algebraic expression representing the amount Xavier will have in his savings account after w weeks is 43 + 15w.

What is algebraic expression?

Algebraic expressions consist of numbers, variables, and the mathematical operations, especially addition, subtraction, division, and multiplication.

An algebraic expression does not have the equation symbol (=) unlike an equation because it is not a complete mathematical statement.

The amount Xavier already has in his savings account = $43

The planned weekly savings = $15

The period of savings = w

Algebraic Expression:

43 + 15w

Thus, using an algebraic expression, after w weeks, Xavier will have 43 + 15w in his savings account.

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Related Questions

A student needs at least three notebooks and three pencils. Notebooks cost #60 and pencils #36 and the student has #360 to spend. The student decides to spend as much as possible of his #360. a How many ways can he spend his money? b Does any of the ways give him change? If so, how much?​

Answers

Answer:

Two ways.

(1) 4 notebooks,3 pencils, have change $12;

(2)3 notebooks, 5 pencils, have no change.

Step-by-step explanation:

set student buy x notebooks and y pencils,

x≥3,y≥3,

60x+36y≤360

if x=3, 180+36y≤360

         36y≤180

             y≤5

and y≥3, so y={3,4,5}

(1)when y=3, 60x≤360-36x3=252, x≤4.2,so x=4,

and change=360-36x3-60x4=12

(2)when y=4, 60x≤360-36x4=216, x≤3.6,so x=3,

and change=360-36x4-60x3=36, since student have to spend as much as possible of his money, $36 can buy a pencil, so this is not accepted.

(3)when y=5, 60x≤360-36x5=180, x≤3, so x=3,

and change =360-36x5-60x3=0

The student has two ways to spend his money on notebooks and pens. In one option, she can buy 4 notebooks and 3 pens and in the other option she can buy 3 notebooks and 5 pens.

How to find the possibilities of the student to buy pens and notebooks?

To find the student's possibilities to buy pens and notebooks we must take into account his total budget of $360. Additionally, the values of the notebooks and pens that are: $60 and $36 respectively.

We must multiply the value of the notebooks by the number of notebooks that we believe the student can buy, this would be a range between 3 and 4 notebooks. Additionally, once we decide the number of notebooks we can divide the remaining money in the value of the pens to find the number of pens that the student can buy. According to the above:

4 * 60 = 240360 - 240 = 120120 / 36 = 3,33336 * 3 = 108108 - 120 = 12

3 * 60 = 180360 - 180 = 180180 / 36 = 55*36=180

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What is the surface area of the square pyramid net?

Answers

The surface area of a square pyramid net can be found by adding the areas of the base and the four triangular faces.

First, find the area of the base by multiplying the length and width of the square base.

Area of base = length × width

Next, find the area of one of the triangular faces by using the formula:

Area of triangle = 0.5 × base × height

Since there are four triangular faces in a square pyramid, multiply the area of one triangle by four to find the total area of the triangular faces.

Area of triangular faces = 4 × (0.5 × base × height)

Finally, add the area of the base and the area of the triangular faces to find the total surface area of the square pyramid net.

Surface area = Area of base + Area of triangular faces

= (length × width) + (4 × (0.5 × base × height))

= (length × width) + (2 × base × height)

So, the surface area of a square pyramid net is the sum of the area of the base and the area of the four triangular faces.

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A poll showed that 68.3% of Americans say they believe that some psychics can help solve murder cases. What is the probability of randomly selecting someone who does not believe that some psychics can help solve murder cases. Express your answer as a percent.

please help me!! ​

Answers

Answer:

If 68.3% of Americans believe that some psychics can help solve murder cases, then the percentage of Americans who do not believe this is:

100% - 68.3% = 31.7%

Therefore, the probability of randomly selecting someone who does not believe that some psychics can help solve murder cases is 31.7%.

Step-by-step explanation:

a 12 inch pizza is divided into 10 slices. what is the length of the crust from one slice?

Answers

Answer:

Each crust is 1.2 inches

Step-by-step explanation:

12/10 is 1.2

Answer:

Each crust is 1.2 inches.

Step-by-step explanation:

12 ÷ 10 = 1.2

Hope this Helped! HAVE A GOOD DAY!!!!!!!!!!

find the probability of rolling two dice and getting 1’s on both.

a. 1/30
b. 1/60
c. 1/2
d. 1/36

Answers

Answer:

d. 1/36

Step-by-step explanation:

as total outcomes is 36

and we can get 1 on both the dice just once

Devi scored 66 marks for her first class test and
72 marks for her second class test. What is the
minimum mark she must score for her third class
test to meet her target of obtaining an average of
75 marks or more for the three tests?

Answers

Answer:

She must score an 87 to obtain an average of 75.

Step-by-step explanation:

(66+72+x) / 3 = 75

x = 87

1.1 How many KES would you get for R150?

Answers

The amount of KES that one would have to get for R150 is given as 1053.54 KES

How many KES would you get for R150?

​The KES tells us of the Kenyan currency. That is the Kenyan shillings. The R is the name that is used to refer to the Rands

Hence we would have to convert rands to KES

1 south African Rand is given as 7.0236

then 150 rand would be = ?

Hence the amount you would get of KES is: 7.0236 * 150

= 1053.54 KES

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Four times a number subtracted from 28 equals 12. What is the number?

Answers

Answer: 10

Step-by-step explanation:

4x - 28 = 12

4x - 28 = 12 + 28

4x = 40

4x/4 = 40/4

x = 10

Please help me the formula for the boiling of a square prism is v=s 2 h what is the volume of a prism where a = 1.5 cm h= 8 cm

Answers

The formula for the volume of a square prism is given as V = s^2 * h. V = s^2 * h = 1.5^2 * 8 = 2.25 * 8 = 18 cm^3 So the volume of the square prism is 18 cubic centimeters.

this is what weegy answered

There are 4,000 books in the​ town's library. Of​ these, 2,400 are fiction. To find the percent of the books that are​ fiction, set up the percent equation.

Answers

Answer: 60%

Step-by-step explanation:

2,400/4,000 x 100/1

0.6 x 100 = 60%

How to Find the Value of Square Root of 9?

Answers

The value of the square root of 9 is 3.

The square root of a number is the value that, when multiplied by itself, gives the original number. In this case, we want to find the square root of 9.

We can start by finding the perfect squares that are less than 9. The perfect squares less than 9 are 1 and 4. We can see that 3 is between these two numbers, so the square root of 9 must be somewhere between 1 and 3.

We can test whether 3 is the square root of 9 by squaring it: 3 x 3 = 9. This confirms that 3 is indeed the square root of 9.

Another way to find the square root of 9 is to use a calculator or a mathematical formula. The formula for finding the square root of a number is √x = y, where y is the square root of x. In this case, x is 9, so we have √9 = 3.

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What is the surface area of the prism?

Answers

The surface area of the prism is 60 sq meters.

What is a cuboid?

A cuboid is a three-dimensional closed figure which has volume along with surface area.

The volume of a cuboid is the product of its length, width, and height.

We know, The total surface area of a cuboid is 2(lw + wh + wl) and the lateral surface area is 2(l + w)×h.

Given prism has 9 m of length, 6 m of width, and 2 m of height.

Therefore, The surface area of the prism is,

= 2(9 + 6)×2 sq meters.

= 2×15×2 sq meters.

= 60 sq meters.

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Solve for x show proofs pleaseee

Answers

Answer:

180

Step-by-step explanation:

since both triangles are 90 degrees 90 plus 90 make 180

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Alicia hikes to see a waterfall. She records the weight of the items she put in her backpack in a table. Alicia's camera weighs 1\dfrac35\text{ kg}1 5 3 ​ kg1, start fraction, 3, divided by, 5, end fraction, start text, space, k, g, end text less than her lunch. Record the weight of Alicia's camera in the table.

Answers

The weight of Alicia's camera is 8/5 kg. We can record this value in the table.

What is a fraction?

A fraction is a number that represents a part of a whole. It is expressed as a ratio of two numbers, where the top number is called the numerator and the bottom number is called the denominator.

We need to record the weight of Alicia's camera in the table. We know that the weight of her lunch is greater than the weight of her camera, and we know that the weight of her lunch is 2 kg. Therefore, the weight of her camera must be less than 2 kg.

We are also given that the weight of her camera is 1\dfrac35 kg. To convert this mixed number to an improper fraction, we can multiply the whole number (1) by the denominator of the fraction (5) and add the numerator (3), and then put the result over the denominator:

[tex]1\dfrac35 = \dfrac{1\times5+3}{5} = \dfrac{8}{5}[/tex]

Therefore, The weight of Alicia's camera is 8/5 kg. We can record this value in the table.

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#3. The hourly tides (in feet) on a recent day in Seattle, Washington, can be modeled using the sinusoidal function y = 4.5 cos + 5.0, where the height (y) is a function of time (x). Time x=0 represents midnight. What is the water level at 9 a.m.?​

Answers

Answer:At low tide the water reaches the 1-foot mark. Assume that high tide occurs at 12 noon and at midnight, and that low tide occurs at 6 pm and 6 am.

Step-by-step explanation:

what is 2 tbsp to g ?

Answers

Since, 1 Tablespoon is equal to 15 Gram.

Therefore, 2 Tablespoon is equal to 1/8 cups or 29.5 grams.

Gram:

The gram (originally gram; SI unit symbol g) is a unit of mass in the International System of Units (SI), equal to one thousandth of a kilogram.

Originally defined in 1795 as "the absolute weight of a volume of pure water equal to one hundredth of a meter at the temperature at which ice melts." The positive temperature (~0 °C) was later changed to 4 °C, the temperature of maximum density of water.

However, towards the end of the 19th century, attempts were made to make the kilogram the base unit and the gram the derived unit. In 1960, the new International System of Units defined the gram as one thousandth of a kilogram (i.e., 1 gram equals 1 × 10-3 kg. As of 2019, the kilogram is defined by the International Bureau of Weights and Measures based on the fixed value of Planck's constant (h),  

6.62607015 × 10-34 kg⋅m2⋅s-1.

According to the Question:

Convert from tablespoons to grams by multiplying the volume by 14.786765 times the density of the ingredient or material.

Using this simple formula, it can be converted to:

Grams = Tablespoons × 14.786765 × Ingredient Density

Therefore,

Grams = 02 × 14.786765

           = 29.57353

So the volume in grams is equal to the number of tablespoons times the density of the material or material times 14.786765.

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which expression is equivalent to -2w-9+5w+3

Answers

The equivalent of the expression -2w-9+5w+3 is 3(w-2)

What is equivalent of expression?

Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value(s) for the variable(s). Examples is 2x+ 6y is equivalent to 2(x+3y)

The expression -2w-9+5w+3 can be factorized;

collect like terms

-2w-9+5w+3 = -2w+5w-9+3

= 3w-6

= 3( w-2)

therefore the equivalent of the expression -2w-9+5w+3 is 3(w-2)

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73 Kilogram (kg) equals how many pounds (lbs)

Answers

The conversion of 73 Kilogram (kg) pounds (lbs) is 160.9358 lbs

Conversion of kilogram to pounds.

The standard metric conversion of a unit weight from one S.I. unit to another follows a standard approach that is universally acceptable and timeless. For the conversion of 1 kilogram to pounds, 1 kg is equivalent to  2.2046 lbs.

To convert 73 kilograms to pounds, multiply 73 kilograms by 2.2046 lbs. Mathematically;

[tex]=73 \ kg \times \dfrac{2.2046 \ lbs}{1 \ kg}[/tex]

Cancel the common units

[tex]=73 \times \dfrac{2.2046 \ lbs}{1}[/tex]

= 160.9358 lbs

Therefore, we can conclude that the conversion of 73 kilograms (kg) to metric pounds (lbs) is 160.9358 lbs.

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What does a Perpendicular Bisector Mean?

Answers

Answer

lines passing through the midpoint of each side which are perpendicular to the given side

Step-by-step explanation:

line y= 2x-1 is there 30,61 on the line?

Answers

No, The point (30, 61) does not lie on the given line y  = 2x - 1.

What is the equation of line?

The equation of a straight line is a relationship between x and y coordinates, The general equation of a straight line is y = mx + c, where m is the slope of the line and c is the y-intercept.

Given that,

The line,

y = 2x -1

To check if the point (30, 61) is on the line y = 2x - 1, we need to substitute x = 30 and y = 61 into the equation and see if the equation holds true.

So, we have:

y = 2x - 1

61 = 2(30) - 1

61 = 60 - 1

61 = 59

Since 61 is not equal to 59, the point (30, 61) is not on the line y = 2x - 1.

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I need help with this please and thank you.

Answers

The given expression is a fifth-degree polynomial.

When does an expression represent a polynomial?

An expression represents a polynomial when these following conditions are satisfied:

Integer exponents.Non-negative exponents.

The exponents for this problem are given as follows:

5, 2 and 1.

Hence the function represents a polynomial, of the fifth degree, as the highest exponent is of 5.

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5 over 6 divided by 3 over 8 in simplest form and a fraction

Answers

The value of the fraction is A = 20 / 9

What is a Fraction?

An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.

Given data ,

Let the fraction be represented as A

Now , the first fraction is p = 5/6

Let the second fraction be q = 3/8

Now , the equation is A = p/q

On simplifying , we get

A = ( 5/6 ) / ( 3/8 )

A = ( 5/6 ) x ( 8/3 )

On further simplification , we get

The fraction A = ( 20 / 9 )

Hence , the fraction is A = 20/9

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I need help on this

Answers

The fact that both rays are equal in the case at hand is not given, hence the incorrect statement will be (A) AB = AC.

What are rays?

By selecting a curve that is perpendicular to the wavefronts of the actual light and points in the direction of energy flow, one can create an idealized geometrical model of light or other electromagnetic radiation known as a ray in the field of optics.

By segmenting the actual light field into discrete rays that can be computationally propagated across the system using ray tracing techniques, rays are used to mimic the propagation of light through an optical system.

As a result, even extremely complicated optical systems can be mathematically or computationally investigated.

For as long as light waves travel through and around objects whose dimensions are significantly larger than the light's wavelength, approximate solutions to Maxwell's equations are appropriate for use in ray tracing.

So, in the given situation it is nowhere given that both rays are equal, and hence the wrong statement will be AB = AC.

Therefore, the fact that both rays are equal in the case at hand is not given, hence the incorrect statement will be (A) AB = AC.

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Nellie spit 11 pieces of candy equally among ffriends. Which expression shows how many pieces of candy each friend received?

Answers

Answer:

11/x because split is the same as divide so she split 11 pieces with x people

Step-by-step explanation:

What is the value of x? 60 10 x

Answers

Answer:

[tex]x=5[/tex]

Step-by-step explanation:

[tex]\cos 60^{\circ}=\frac{x}{10} \\ \\ \frac{1}{2}=\frac{x}{10} \\ \\ x=5[/tex]

If f(x) = ln(1 - x), then find f '(x).

1 over the quantity 1 minus x

(1 - x)2

1 over the quantity 1 minus x squared

1 over the quantity x minus 1

Answers

The required derivative of f(x) = ln(1 - x) is f'(x) = -1 / (1 - x).

What is derivative?

A derivative is a two-party contract whose price or value is based on an underlying asset. Futures, options, forward contracts, and swaps are the four most popular types of derivatives. It is a financial instrument whose price and value are determined by the underlying assets.

According to question:

The derivative of the natural logarithmic function is given by:

d/dx [ln(u(x))] = 1/u(x) * du/dx

So, to find the derivative of f(x) = ln(1 - x), we need to find the derivative of the inside function, which is 1 - x:

f'(x) = 1/[1 - x] * d/dx [1 - x]

= 1/[1 - x] * (-1)

= -1 / (1 - x)

So the derivative of f(x) = ln(1 - x) is f'(x) = -1 / (1 - x).

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Number of Mini Muffins
12
Price (dollars)
5.40
Amari bought 12 mini muffins for $5.40.
At this rate, what is the price of 4 mini muffins?
Use the table if it helps you with your thinking.
1.10
วว
dollar

Answers

Answer:

$1.80 per 4 mini muffins

Step-by-step explanation:

12 mini muffins = 5.40

divide by 3

4 mini muffins = 1.80

:]

I need the answer plssssss

Answers

Answer:

12 inches

Step-by-step explanation:

21/3=7

84/7=12

12 inches

Two parallel lines are cut by a transversal as shown below.
Suppose m3=41°. Find m6 and m2 8.

Answers

Since the two parallel lines are cut by a transversal and m∠3 = 41°, the measure of angles m∠6 and m∠8 include the following:

m∠6 = 139°.

m∠8 = 139°.

What are parallel lines?

In Mathematics, parallel lines are two lines that are cut through by a transversal and they always have the same (equal) distance apart and never meet.

What is the Alternate Interior Angles Theorem?

In Mathematics, the Alternate Interior Angles Theorem states that when two (2) parallel lines are cut through by a transversal, the alternate interior angles that are formed are congruent:

m∠3 = m∠5 (alternate interior angles)

m∠5 + m∠6 = 180° (linear pair postulate).

41° + m∠6 = 180°.

m∠6 = 180° - 41°

m∠6 = 139°

m∠6 = m∠8 (vertical angles theorem).

m∠8 = 139°.

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Graph the line that passes through the two points. (0, 0), (13, 73) find the slope

Answers

Answer:

m = 73/13

Step-by-step explanation:

Slope = rise/run or (y2 - y1) / (x2 - x1)

(0, 0), (13, 73)

We see the y increase by 73 and the x increase by 13, so the slope is

m = 73/13

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