I need help I don't understand.

Alva nunez total pay for the week in which she presses 310 moldings is

The cost per unit of an item is represented by the unit price.

To determine the unit price of an item, we divide the price of a specific number of units by the number of units.

If she earns $0.95 for every holding she presses this means that the unit price is 0.95

for 310 moldings Alva nunez will earn

= 0.95 * 310

= 294.5

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Answer:

I think its C

Step-by-step explanation:

Answer:

224

Step-by-step explanation:

360.-136.

Answer:

Find the exact value using trigonometric identities.

100

Step-by-step explanation:

The exact value of 2 divided by (0.01) 2 is 20000.

We are given that;

2 divided (0.01)2

Now,

To find the exact value of 2 divided by (0.01) 2, we can use the following steps:

Rewrite 0.01 as a fraction: 0.01 = 1/100

Square both the numerator and the denominator: (0.01) 2 = (1/100) 2 = 1/10000

Flip the fraction and multiply by 2: 2 / (0.01) 2 = 2 x 10000/1 = 20000

Therefore, by algebra the answer will be 20000.

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Answer:

174

Step-by-step explanation:

plug all of the variables in first

7(5(f) - 3(n)) - 8

7(35 - 9) - 8

7(26) - 8

182 - 8

174

Answer:

174

Step-by-step explanation:

7(5f-3n)-8

n=3 f=7

7(5*7 - 3*3) -8

Parentheses first

Multiply inside

7(35 - 9) -8

Subtract inside the parentheses

7(26) -8

Multiply

182-8

Subtract

174

Based on the information provided in the table (see attachment) for a tire with P255/95R20, the diameter of this tire is equal to 40.79 inches.

The area of a circle can be defined as the space occupied or the region enclosed by a circle within its boundary, and in a two-dimensional plane.

Mathematically, the area of a circle is calculated by using this formula:

Area = πr² = πd²/4

Where:

In geometry, a diameter can be defined as a straight line segment whose endpoints lie on the circle and passes through the center of a circle.

Based on the information provided in the table (see attachment) for a tire with P255/95R20, we can infer and logically deduce that the diameter of this tire is equal to 40.79 inches.

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Answer: Mantle

Hope this helps!

Answer:

Step-by-step explanation:

Hello!

The objective is to test if the population mean of three-circle red-on-white sheds is equal to the four excavation sites.

To compare the population means you have to apply an ANOVA. For this test the variable of interest is

X: number of  three-circle red-on-white sheds.

There is only one factor: "Site" with four treatments "I, II, III; IV"

H₀: μ₁= μ₂= μ₃= μ₄

H₁: At least one population mean is different.

α: 0.05

\(F= \frac{MS_{Treatment}}{MS_{Error}} ~~F_{K-1;N-K}\)

Df treatments: k-1= 4-1= 3 (k= nº of treatments)

Df errors: N-K= 21-4= 17 (N= total observations for all treatments)

\(F_{H_0}= \frac{102.72}{117.08}= 0.88\)

p-value: 0.4723

Using the p-value approach the decision rule is:

p-value ≤ α, reject the null hypothesis.

p-value > α, do not reject the null hypothesis.

The p-value is greater than the level of significance, the decision is to reject the null hypothesis.

Using a 5% significance level, there is not significant evidence to reject the null hypothesis. Then you can conclude that the population mean three-circle red-on-white sherd count is equal to all the excavation sites.

I hope this helps!

Answer:   3

Step-by-step exp lanation:

divided

The number that belongs in the green box using sine rule is 13.96.

The rule of sine or the sine rule states that the ratio of the side length of a triangle to the sine of the opposite angle, which is the same for all three sides.

To calculate the number that belongs in the green box, we use the formula below

Formula:

From the diagram,

Given:

Substitute these values into equation 1

Solve for x

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Answer:

5 weeks

Step-by-step explanation:

To find the answer to this question we have to write an equation for both situation and put them equal to each other.

Let's write an equation for Joe:

12x + 100

Now, for Jessica

6x + 130

Next, put them equal to each other:

12x + 100 = 6x + 130

Solve:

12x + 100 = 6x + 130

6x + 100 = 130

6x = 30

x = 5

Therefore, it will take 5 weeks for Joe and Jessica to have the same amount of cards.

Check:

12(5) + 100 = 6(5) + 130

60 + 100 = 30 + 130

160 = 160

I hope this helps!!

- Kay :)

The value of f(2) in the given algebraic expression is:  18

The algebraic expression we are given is expressed as:

f(x) = 2x² + 5√(x + 2)

Now, we want to find f(2) which means we want to find the range when the domain is x = 2. Therefore we solve it as:

f(2) = 2(2)² + 5√(2 + 2)

f(2) = (2 * 4) + 5√4

f(2) = 8 + 5√4

f(2) = 8 + (5 * 2)

f(2) = 8 + 10

f(2) = 18

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Complete Question is:

If f(x) = 2(x)^2 + 5 square root (x+2), complete the following statement f(2) = ______

200.60 interest does andy’s account earn.

Let x be the amount of interest earned by Andy's account.

According to the problem, Andy's account earns 0.3% more interest than Marty's account, which means that Andy's account earns the same amount plus an additional 0.3% of that amount. Mathematically, we can express this as:

x = 200 + 0.3% of 200

Simplifying the right-hand side of the equation, we get:

x = 200 + 0.003 × 200

x = 200.60

Therefore, the answer is option 1: 200.60.

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l = 27/4 + √47 . (3i/4) and  l = 27/4 - √47 . (3i/4) are the value of l in rectangle .

What is a rectangle?

With four sides and interior angles that are all exactly 90 degrees, a rectangle is a four-sided polygon. Every corner or vertex has a right angle where the two sides meet. It differs from a square in that the length of the opposing sides of the rectangle are equal.      

rectangle of area = 72 meter

           72 = l * b

            b = 72/l

 perimeter = 27 meter

      27 = 2( l + b )

       27 = 2( l + 72/l )

        27/2 = ( l + 72/l )

         27/2 = l² + 72/l

          27l = 2l² +  144

             2l² - 27l + 144 = 0

after factor value of l are

              l = 27/4 + √47 . (3i/4)

               l = 27/4 - √47 . (3i/4)

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The probability that all have type B​+ blood is 0.000286 The probability that none of the have type B​+ blood is 0.572898.

Suppose that there are finite elementary events in the sample space of the considered experiment, and all are equally likely.

Then, suppose we want to find the probability of an event E.

Then, its probability is given as

\(P(E) = \dfrac{\text{Number of favorable cases}}{\text{Number of total cases}} = \dfrac{n(E)}{n(S)}\)

where favorable cases are those elementary events who belong to E, and total cases are the size of the sample space.

Given;

The probability that a person in the United States has type B​+ blood is 13​%.

Since four unrelated people in the United States are selected at random, we can say that each person is independent of the other to have B+ blood group;

Let X be the number of persons who have blood group B+ in the group of 4 persons;

X is Binomial with p = 0.13;

a) P(X = 4) = (0.13)4 = 0.000286

b) P(x =0) = (1 -0.13)¹ = 0.572898

Therefore, the probabilities will be 0.000286 and 0.572898

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Given statement solution is :- Mathematical models are extremely valuable tools in various fields, including chemistry, biology, and physics. They offer several advantages: Simplification and abstraction, Prediction and simulation, Cost and time efficiency, Insight and understanding.

Mathematical models are extremely valuable tools in various fields, including chemistry, biology, and physics. They offer several advantages:

Simplification and abstraction: Mathematical models allow complex systems or processes to be represented using simplified mathematical equations or algorithms. This simplification helps in understanding the underlying principles and relationships of the system, making it easier to analyze and predict outcomes.

Prediction and simulation: Models enable scientists to make predictions about the behavior of a system under different conditions. They can simulate scenarios that are difficult or impossible to observe in the real world, allowing researchers to explore various hypotheses and make informed decisions.

Cost and time efficiency: Models can be used to explore different scenarios and test hypotheses in a relatively quick and cost-effective manner compared to conducting real-world experiments. They can help guide experimental design by providing insights into the most relevant variables and parameters.

Insight and understanding: Mathematical models often reveal underlying patterns and relationships that may not be immediately apparent from experimental data alone. They provide a framework for organizing and interpreting data, leading to a deeper understanding of the system being studied.

However, mathematical models also have limitations and potential disadvantages:

Simplifying assumptions: Models are based on assumptions and simplifications, which may not fully capture the complexity of the real-world system. If these assumptions are incorrect or oversimplified, the model's predictions may be inaccurate or misleading.

Uncertainty and error: Models are subject to uncertainties and errors stemming from the inherent variability of the system, limitations in data availability or quality, and simplifying assumptions. It is crucial to assess and communicate the uncertainties associated with model predictions.

Validation and verification: Models need to be validated and verified against experimental data to ensure their accuracy and reliability. This process requires rigorous testing and comparison to real-world observations, which can be challenging and time-consuming.

Mathematical models are closely linked to the fields of chemistry, biology, and physics, providing valuable insights and predictions in these disciplines. Here are some examples:

Chemistry: Mathematical models are used to study chemical reactions, reaction kinetics, and molecular dynamics. One example is the use of rate equations to model the kinetics of a chemical reaction, such as the reaction between reactants A and B to form product C.

Biology: Mathematical models play a crucial role in understanding biological systems, such as population dynamics, gene regulation, and the spread of infectious diseases. For instance, epidemiological models like the SIR (Susceptible-Infectious-Recovered) model are used to simulate and predict the spread of diseases within a population.

Physics: Mathematical models are fundamental in physics to describe physical phenomena and predict outcomes. One well-known example is Newton's laws of motion, which can be mathematically modeled to predict the motion of objects under the influence of forces.

Quantum mechanics: Mathematical models, such as Schrödinger's equation, are used to describe the behavior of particles at the quantum level, providing insights into atomic and molecular structures and the behavior of subatomic particles.

Fluid dynamics: Mathematical models, such as the Navier-Stokes equations, are employed to study the behavior of fluids, including airflow, water flow, and weather patterns.

These examples demonstrate the wide range of applications for mathematical models in understanding, predicting, and simulating various phenomena in the fields of chemistry, biology, and physics.

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The expression for the sequence of operations is s - t + r

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

Next, we solve the expressions one at a time

Subtract t from s,

This is represented as

s - t

Then add r to the result

This is represented as

s - t + r

Hence, the expression is s - t + r

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Answer: Shade 6 pieces

Step-by-step explanation:

Because 2/5 of 15 is 6

Answer:

y=2x-3 or B

Step-by-step explanation:

just shove into desmos graphing calculator

Answer:

$70

Step-by-step explanation:

$120-$50=$70

Tim needs to save 70 more dollars to buy a computer.

Answer:A temperature that is below zero is negative. Integers are positive and negative whole numbers.

Step-by-step explanation:

Give me 5 star please

Answer: honestly the only thing i know is that mean is another way of saying expected value

Step-by-step explanation:

Answer:

24 divided by 3.12=7.69

Step-by-step explanation:

Answer:

10+5+2+3=20

Step-by-step explanation:

Answer:

Yes that all equals 10

Step-by-step explanation:

What is your question exactly? That is just a statment.

Answer:

Length= 30 in

Width= 10 in

Step-by-step explanation:

Let the width of the rectangle be x in.

Length of rectangle

= 3 (width)

= 3x

Perimeter of rectangle= 2(length) +2(width)

80= 2(3x) +2(x)

80= 6x +2x

8x= 80 (simplify)

x= 80 ÷8 (÷8 on both sides)

x= 10

Thus width of rectangle= 10 in

Length of rectangle

= 3(10)

= 30 in