120 + 18 1/4x = 180 –134x

Answer:

Emma scored 90% in her English exam, as 80 marks out of 80 is equivalent to 100%. Thus, 72 marks out of 80 is equivalent to 90%.

This prism's volume can be expressed using an expression of 48 x 3 units.

The area of the base is multiplied by the prism's height to determine its volume. The volume of a prism can be calculated using the formula V = B H, where V stands for the volume, B for the base area, and H for the height.

The volume of the prism is given in cubic units by the formula V = A H cubic units, where A is the prism's base area and H is its height.

The expression for the volume of this prism is 48 x 3 units.

The area of the base is multiplied by the prism's height to determine its volume.    

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Complete Question -

There will be a total of 3 batches of soup can Fabian make.

Explain how to calculate the total weight of ingredients needed for making a specific number of batches of a recipe.

To calculate the total weight of ingredients needed for making a specific number of batches of a recipe, you can multiply the weight of each ingredient per batch by the number of batches you want to make. This will give you the total weight of ingredients needed for the desired number of batches. For example, if a recipe requires 1 pound of flour per batch and you want to make 3 batches, the total weight of flour needed is 1 pound per batch * 3 batches = 3 pounds.

To find out how many batches of soup Fabian can make, we need to divide the total weight of tomatoes by the weight of tomatoes used per batch of soup.

Let x be the number of batches of soup Fabian can make. We know that:

10 pounds of tomatoes - 2.8 pounds of tomatoes = 7.2 pounds of tomatoes are available to make soup

The weight of tomatoes used per batch of soup is 2 2/5 pounds, we can write this as:

x * 2.4 = 7.2

To find the number of batches of soup Fabian can make, we can divide both sides by 2.4

x = 7.2/2.4

x = 3

So Fabian can make 3 batches of soup.

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Answer:

Step-by-step explanation:

yes

no

no

ye

Since the Top-Notch Middle School had athletes from all the grades playing on a sports team, the ratio 15:73 represents the following: C. The ratio 15:73 represents the ratio of 7th grade football players to total athletes.

In order to interpret and explain the meaning of the given ratio 15:73, we would first of all determine the total number of athletes from all grades in Top-Notch Middle School as follows;

Total number of athletes, T = 2 + 4 + 7 + 1 + 6 + 5 + 7 + 4 + 4 + 8 + 15 + 10

Total number of athletes, T = 73 athletes.

For the number of Basketball athletes, we have:

Number of Basketball athletes, B = 2 + 4 + 7

Number of Basketball athletes, B = 13 Basketball athletes.

Ratio of B to T = 13:73.

For the number of Baseball athletes, we have:

Number of Baseball athletes, B = 1 + 6 + 5

Number of Baseball athletes, B = 12 Baseball athletes.

Ratio of Ba to T = 12:73.

For the number of Football athletes, we have:

Number of Football athletes, B = 8 + 15 + 10

Number of Football athletes, B = 33 Football athletes.

Ratio of F to T = 33:73.

For the ratio of Football athletes in 7th grade to total number of athletes, we have:

Ratio of F7 to T = 15:73.

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Therefore , the solution of the given problem of function comes out to be we cannot consider the fourth statement  as linear function.

Mathematicians frequently use the word "function" to refer to a connection that describes how two variables are connected to one another. There are two: a predictor variable, which is the function's output, and a variable, which can be any input of an equation.

Here,

Given:

A car loses value at a rate of 8.3% annually.

2.25 inches of snow were falling every hour.

A sunflower was expanding by 1.5 inches every week.

A set rate of $2.50 is charged by taxis for pickup, and an additional $3.75 is added for each subsequent mile.

thus,

From the following above expression we cannot consider the fourth statement

As if we write it in the formula it comes out to be linear equation not function.

Therefore , the solution of the given problem of function comes out to be we cannot consider the fourth statement  as linear function.

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We can conclude that we have sufficient data to reject the null hypothesis and that the mean breaking strength is different from 8000 at 5% of significance if we compare the p value and the significance threshold, for example, α = 0.05.

The information provided and notation

X = 7750 indicate the sample's mean breaking strength, which is 145.

n = 6 sample size μ o= 8000 reflect the sample standard deviation indicate the quantity we want to test, and

α = 0.05 denotes the level of significance for the hypothesis test.

The statistic (interesting variable) would be represented by t, and the test's p value would be represented by P u (variable of interest)

Name the prevailing and competing hypotheses.

It is a test with two tails.

We wish to determine whether or not the genuine mean is equal to 8000.

Null hypothesis μ = 8000.

Alternate hypothesis μ₀ ≠ 800

Determine the test statistic.

[tex]t = \frac{X-\mu}{\frac{s}{\sqrt{n} } }[/tex]

t-test: "enables the comparison of group means. One of the most widely used tests, it is used to assess whether the mean is (greater, lower, or not equal) to a given value ".

Determine the statistic.

We can substitute the following information in the above formula

[tex]t = \frac{7750-8000}{\frac{145}{\sqrt{6} } } = -4.22[/tex]

Give the test's appropriate conclusion -

To begin with, we must determine the degrees of freedom indicated by: df = n-1 = 6-1 = 5.

Given that the test has two possible outcomes, the p value is

Pv = 2 ×  P(t(5) < -4.22) = 0.0083.

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Answer:

y=x-5000

Step-by-step explanation:

Given,

total sum of money mom has=x

money spent on grocery=Rs 3000

money spent on milk= Rs 2000

total money spent by mom=Rs 5000

Let the money left with the mom =y

then the algebric expression for the amount left with her is given by

y=x-5000

Answer:

Step-by-step explanation:

The number in consideration here is 45 and the integers that divide it evenly are known as the factors of 45. There are a total of six factors of the number 45: 1, 3, 5, 9, 15 and 45. The numbers that are multiplied in pairs to produce 45 are the factor pairs of 45.

If events R and S are independent, the probability of both occurring (P(R and S)) is the product of their individual probabilities which will give 3/32.

To calculate the probability that if events R and S are independent, both events occurring (P(R and S)) is the product of the individual probabilities of each event.

So, P(R and S) = P(R) x P(S) = (1/4) x (3/8) = 3/32

This is because when events are independent, the occurrence of one event does not affect the probability of the other event, so the probability of both events occurring is just the product of the individual probabilities of each event.

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The cost of the large version of the  photo is $0.456.

Percentage is the fraction of an amount that is expressed as a number out of hundred. The sign that is used  to represent percentage is %.

Cost of the large version of the  photo = cost of the small photo x (1 + percent/100)

Cost of the large version of the  photo = $0.19 x (1  + 140/100)

=  $0.19 x (1  + 1.40)

= $0.19 x 2.40

= $0.456

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Answer: Let's say Trisha is currently T years old and Mina is currently M years old.

We know from the problem statement that Trisha is twice as old as Mina:

T = 2M

We also know that 10 years from now, Trisha will be 4 years older than Mina:

T + 10 = M + 4

We can substitute the first equation into the second equation:

2M + 10 = M + 4

We can then solve for M:

M = 6

So, Mina is currently 6 years old.

We can use the first equation to find Trisha's current age:

T = 2M = 2 * 6 = 12

Therefore, Trisha is currently 12 years old and Mina is currently 6 years old.

Step-by-step explanation:

Answer:

150 miles

Step-by-step explanation:

Total miles by the two motorcycles

300 miles

The first motorcycle travel 65 miles per hour

The second motorcycle travel 85 miles per hour

Total miles the two motorcycles travels

65 mile + 85 miles

=150 miles

Long it will take for the two motorcycles to meet

= 300 miles + 150 miles

=150 miles.

Hence it will take 150 miles for the two motorcycles to meet.

Answer:

The first value of a relation is an input value and the second value is the output value. A function is a specific type of relation in which each input value has one and only one output value.

An input is an independent value, and the output value is the dependent value, as it depends on the value of the input.

Answer: Its definitely 7.2 for the first two and 4.5 on the last one to the right

Step-by-step explanation: i did the quiz

So on solving the provided question, we can say that the equation is = > y = 2/5x ; at (4,2) and at (9,0)  Line 1 had a greater rate of change equal to -5/2

A mathematical equation is a formula that joins two statements and uses the equal symbol (=) to indicate equality. A mathematical statement that establishes the equality of two mathematical expressions is known as an equation in algebra. For instance, in the equation 3x + 5 = 14, the equal sign places the variables 3x + 5 and 14 apart. The relationship between the two sentences on either side of a letter is described by a mathematical formula. Often, there is only one variable, which also serves as the symbol. for instance, 2x – 4 = 2.

the equation is = > y = 2/5x

at (4,2) and at (9,0)  Line 1 had a greater rate of change equal to -5/2

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The area not covered by the white board is 192 cm².We can find by using area of rectangular formula.

A rectangle is a quadrilateral that has its parallel sides equal to each other and all the four vertices are equal to 90 degrees. Hence it is also called quadrilateral. Since the opposite sides are equal and parallel in rectangle.

The area is measurement of the surface of a shape. To find the area of a rectangle or a square you need to multiply the length and the width of a rectangle.The formula for the Area of a Rectangle is A = l × b. The area of any rectangle is calculated once its length and width are known.

Now we find

A white rectangular board 28 cm long and 16 cm wide.

Substitute the respective values

Area of White Board = 28 *16

The area of white board is 448 cm²

Wooden board creates a border of 2 cm around it.

Wooden Board dimension = (28 + 2 + 2) cm long and (16 + 2 + 2) cm wide

Wooden Board dimension = 32 cm long and 20 cm wide.

The area of Wooden board = 32*20=640

The area not covered by the white board is

640 cm² - 448 cm² = 192 cm²

The area not covered by the white board is 192 cm².

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They are known as the two types of first is null hypothesis and the second is alternative hypothesis. These two hypotheses bear opposite viewpoints.

H0: also known as null hypothesis: It is a statement about the population that either is taken to be true or is used to put forth an argument until it can be shown to be incorrect behind a reasonable doubt.

Ha: also known as the alternative hypothesis: It is a state about the population that is contradictory to H0 and what we conclude when we reject H0.

H0 every time has a symbol with an equal in it. It never has a symbol with an equal in it. The option of the symbol depends on the wording of the hypothesis test.

Yet, be aware that many researchers use = in the null hypothesis, even with > (greater) or < (less) as the symbol in the alternative hypothesis.

We can accept this practice because we only decide to reject or not reject the null hypothesis.

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The gradient of the line in the image will be -3.

Slope or the gradient is the number or the ratio which determines the direction or the steepness of the line. The slope of the line is defined as the ratio of the rise of the line to the run of the line.

Given that the line in the image is passing through the points ( 0,3) and (1,0). the gradient or slope of the line will be calculated as:-

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope = ( 0 - 3 0 / 9 1 - 0 )

Slope = -3

Hence, the gradient will be -3.

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By the total number of potential outcomes, divide the total number of events. Divide the total number of ways the event could occur by the total number of possible outcomes once the probability event and its accompanying consequences have been determined.

Number of Favorable Outcomes / Total Number of Outcomes is the formula for probability.

or  P(A) = f / N

P(A) = Chance of Event A Occurring f = Number of Possible Ways for Event A

N represents all conceivable outcomes.

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The resistance of 19.0m of the given copper pipe is 1.19 x [tex]10^{-6}[/tex] ohm.

The resistance of a pipe is given by the formula:

R = (p * L) / (A * n)

where R is the resistance, p is the resistivity of the material (in this case, copper), L is the length of the pipe, A is the cross-sectional area of the pipe, and n is the number of conductors (in this case, 1).

To find the cross-sectional area of the pipe, we first need to find the radius of the pipe. We can do this by taking the difference between the outside diameter and the inside diameter and dividing by 2:

r = (d_outside - d_inside) / 2

r = (5.00 cm - 3.00 cm) / 2

r = 1.00 cm

Now we can find the cross-sectional area of the pipe:

A = pi * [tex]r^2[/tex]

A = pi * [tex](1.00 cm)^2[/tex]

A = 3.14

Next, we can use the resistivity of copper, which is 1.68 x[tex]10^{-8}[/tex] ohm-cm. Now we have all the values required to find the resistance of the pipe:

R = (p * L) / (A * n)

R = (1.68 x [tex]10^{-8}[/tex] ohm-cm * 19.0 m) / (3.14 [tex]cm^2[/tex] * 1)

R = (1.68 x [tex]10^{-8}[/tex] ohm-cm * 19.0 m) / (3.14 [tex]cm^2[/tex])

R= 1.19 * [tex]10^{-6}[/tex] ohm

Therefore, the resistance of 19.0m of this pipe is 1.19 x [tex]10^{-6}[/tex] ohm.

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When asked which of the following is true in this situation, "if a distribution has zero variants," the response is "D."

Due to the variance's definition, which is the same for both continuous and discrete random variables, all of the values must be equal to one another. For all possible values of X, the variance is determined by measuring the excess distance from the mean.

If any one of these individual values deviates from the mean, it follows that the variations must also deviate from zero because the integration will result in the difference squared being represented as a positive number.

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Answer:

? = 1

Step-by-step explanation:

You are trying to mind the MEDIAN of the given expression.

The MEDIAN is the middle number of a set of given values.

1. Arrange the terms in ascending order.

= 0.1 , 0.4 , 1.6 , 2.5

2. The median is the middle term in the arranged data set. In the case of an even number of terms, the median is the average of the two middle terms.

= (0.4 + 1.6)/2

Write as a fraction where (0.4 + 1.6) is the NUMERATOR & 2 is the DENOMINATOR. Include parentheses.

3. Remove parentheses.

= 0.4 + 1.6/2

Write as a fraction where 0.4 + 1.6 is the NUMERATOR & 2 is the DENOMINATOR.

4. Add 0.4 and 1.6.

= 2/2

5. Divide 2 by 2.

= 1

6. Convert the median 1 to decimal.

= 1

Bank A will give better return for the money we invest. The solution has been obtained using the concept of compound interest.

What is compound interest?

The interest earned on savings that is computed using both the original principal and the interest accrued over time is known as compound interest.

It differs from simple interest in that simple interest does not take the principal into account when calculating the interest for the following month. In math, compound interest is typically represented by the letter C.I.

We have 2 different financial institutions which suit our investment needs.

1. Bank A offering an interest rate of 8.8% compounded quarterly.

2. Bank B offering an interest rate of 9.0% compounded annually.

In order to find that which bank will give better return of our money, we need to calculate the effective rate of interest for both the options.

1. 8.8% compounded quarterly

Effective interest= (1+(0.088/4))^4-1

= (1.022)^4-1

= 1.09094-1

= 0.09094

= 9.094%

2. 9.0% compounded annually

Effective interest= (1+(0.09/1))^1-1

= 1.09-1

= 0.09

= 9%

Hence, Bank A will give better return for the money we invest.

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Answer: Yes its right

Step-by-step explanation:

You substitute 10 in for x

-3(10) + 1

-30 + 1

=-29

Answer:

Infinitely many solutions

A system of equations is solving for 2 or more lines. Solving it means finding the point where they intersect.

One solution means the lines only intersect once and have a different slope.

No solution means the lines never intersect and have the same slope but a different y-intercept.

Infinitely many solutions means the lines are always intersecting, meaning the lines have the same y-intercept and slope.

y= 2x - 2

y = 2x - 2

They have the same slope and y-intercept, so there are infinitely many solutions.

The solution of the System of Equation is (5.71, 514.2) and this means that at that point the money they save are the same .

A finite collection of equations for which common solutions are sought is referred to as a set of simultaneous equations, often known as a system of equations or an equation system.

A system of equations consists of two or more equations and looks for common answers. "A collection of equations fulfilled by the same set of variables is called a system of linear equations."

The point provides a singular solution to the system of equations if the two lines cross at the same location. There are an endless number of solutions in the situation when the two lines meet, and there is none in the case where the two lines are parallel.

From the graph :

i)The stipper line have 2 points at (0,300) and (4,450)

ii)The other line having points (0,400) and (5,500)

The slope of the line (i) is

The slope in the line (ii) is

The equation of lie (i) is

y = 37.5x + c

putting (0,300) in the equation we get,

300 = 37.5*0 + c

⇒ c = 300

The equation is y = 37.5x + 300

And the 2nd line putting (0,400) in the equation (ii) we get,

y = 20x + c

400 = 20*0 + c

⇒ c = 400

The equation is y = 20x + 400

Solving the both equation we get

37.5x + 300 - 20x - 400 = 0

⇒ 17.5x = 100

⇒ x = 5.71 and y = 514.2

The solution of the system is (5.71, 514.2) and this means that at that point the money they save are the same .

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