x/-3.5+33=30
could i get some help

Answer:

What rays?

Step-by-step explanation:

Is it the new album of BtS?

Answer:

im gonna say 23 or 24 not 100% sure

Step-by-step explanation:

Answer:

Area = 20 square units

Step-by-step explanation:

=> We know that;

Base 1: 3 units

Base 2: 7 units

Height: 4 units

=> Now let's come up with a congruent base first:

\(\frac{(3 + 7)}{2}\) = final base

10/2 = final base

5 = final base

=> Finally, Area of the trapezoid:

A = Final Base * Height

A = 5 * 4

A = 20 square units

Hope this helps!

Answer:

First pic X= 13.036

Second pic x= 11.23

Step-by-step explanation:

Statement that 95% confidence interval states that 95% of the sample means of specified sample size selected from a population will lie within plus and minus 1.96 standard deviations of population mean is false.

The 95% confidence interval is a range of values that is calculated from sample data and is used to estimate the true population parameter with a certain level of confidence. It provides an interval estimate for the population parameter, such as the population mean.

The value of 1.96 corresponds to the critical value for a 95% confidence interval when the underlying distribution is approximately normal. It is used to determine the margin of error in estimating the population mean. However, it is incorrect to state that 95% of the sample means will fall within plus and minus 1.96 standard deviations of the population mean. The confidence interval provides an estimate of the likely range of the population parameter, not the distribution of sample means.

In reality, the actual proportion of sample means falling within the confidence interval depends on various factors such as the sample size, the population distribution, and the variability of the data.    

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Answer:

8640

Step-by-step explanation:

All exterior angles must = 360 degrees.

360/7.2= 50

There are 50 exterior angles, so it's logically concluded that there are 50 sides.

Interior angle= 180-7.2= 172.8

172.8 x 50= 8640.

Answer:

n=9

Step-by-step explanation:

just did it

Plot the x-intercept of (-0.5,0) Plot the y-intercept of (0,-2) Draw a line passing through both intercepts.

To graph 4x + 2y = 8, we'll first look at the x-intercept and y-intercept.

The x-intercept occurs when y is zero, and the y-intercept occurs when x is zero.

0 = 4x + 2y => x = -0.5y = 4x + 2(0) => y = -2

From the two equations, we get the ordered pairs(-2,0), and (-0.5,0) as our intercepts.

The line defined by these two points and that represent all solutions to the equation is:

y = -2x + 4

The table would show different values of x for different values of y, but since there are no specific values to solve, you

just have to use the slope-intercept formula to determine the points on the graph.

Here's how to plot the ordered pairs on a graph:

Plot the x-intercept of (-0.5,0)

Plot the y-intercept of (0,-2)

Draw a line passing through both intercepts.

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The 390 ml of pure water will you need to add to obtain the desired solution.

It is required to find how much pure water will you need to add to obtain the desired solution.

A part of a whole expressed in hundredths a high percentage of students attended. Also the result obtained by multiplying a number by a percent the percentage equals the rate times the base.

Given:

You know that the current solution is 70% alcohol, so the amount of alcohol present is 70% of 520 = 364

Let x be the amount of water to add.  Then the new total amount would be 520 + x.  To arrive at a solution that is 40% alcohol, you would want the amount of alcohol to be 40% of the new total.

So...

364 = .40 * (520 + x)

By simplify we get,

364=208+0.40x

364-208=0.40x

156=0.40x

x=390 ml

we must add 390 ml of water to get the 40% solution.

Therefore, the 390 ml of pure water will you need to add to obtain the desired solution.

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The accountant's claim is: the proportion of tax filers that receive a refund is less than 25%. The Option B is correct.

The accountant's claim is based on their belief that the upcoming tax year will have a smaller proportion of tax refunds than the proportion from the previous year.

To test the claim, the accountant samples few of their clients and determines that proportion of clients receiving refund for the upcoming tax year is 19%.

This sample proportion of 19% is lower than the proportion of 25% from the previous year which supports the accountant's claim that the proportion of tax filers receiving a refund is less than 25%.

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Answer:

2+x/6=w

step by step

Answer:

The distance between Mario and Princess Peach is 6 units

The distance between Mario and Luigi is 8 units

The distance between Princess Peach and Luigi is 10 units

The distance between Yoshi and Toad is 6.32 units

The distance between Bowser and DK is 6.4 units

Step-by-step explanation:

I'm a big Nintendo and Mario fan so I was happy to help

No, the sum of the magnitudes of two vectors can never be equal to the magnitude of the sum of the same two vectors.

The magnitude of the sum of two vectors is determined by the vector addition process, which takes into account both the magnitudes and the directions of the vectors. The magnitude of the sum of two vectors is generally greater than or equal to the sum of their individual magnitudes.

Mathematically, for two vectors A and B, the magnitude of the sum (|A + B|) is given by the triangle inequality:

|A + B| ≤ |A| + |B|

Equality in the triangle inequality occurs only when the vectors are collinear, meaning they have the same direction or are in opposite directions. In such cases, the vectors can be scaled such that their magnitudes add up to the magnitude of their sum. However, in general, when vectors have different directions, the sum of their magnitudes will always be greater than the magnitude of their sum.

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Answer:

1. One solution

2. No solution

Step-by-step explanation:

1.Step 1: Subtract 2x from both sides.

5x+3−2x=2x−3−2x

3x+3=−3

Step 2: Subtract 3 from both sides.

3x+3−3=−3−3

3x=−6

Step 3: Divide both sides by 3.

3x  + -6

3        2

x=−2

Answer:

1)One solution

2)No solutions

Step-by-step explanation:

To solve this for the first one you should add both sides by three to get the constants on one side.

5x+3+3=2x

Combine like terms.

5x+6=2x

Get x to one side by subtracting 5x on each side.

6=-3x

Solve for x.

x=6/-3 or x=-2

Which means one solution.

To solve the second one you should o all the steps above, but to find:

8=3

Which is not true, so no solutions.

Step-by-step explanation:

1. alternate exterior

2. alternate interior

3. consecutive interior

4. corresponding

5. no relationship

6. vertical

hope it helps.

In any case, it's important to formulate a hypothesis that is testable and based on prior knowledge or observations. This ensures that the experiment is designed to answer a specific question or test a specific idea, and that the results are meaningful and informative.

In the pillbug experiment, the hypothesis formulated was related to the food preferences of the pillbugs.

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Add up the number of students within the random sample data:
32+26+28+22 = 108

We can then use proportional fractions / cross-multiply to answer the question.

In a sample size of 108 students, 32 of them preferred Movie A.
There are 900 students in total.

\(\frac{32}{108} =\frac{x}{900}\)

32*900 = 28800

108*x = 108x

108x = 28800

x = \(266\frac{2}{3}\) or \(\frac{800}{3}\)

In decimal form that is approximately 266.667 and round that to the nearest whole number, you get 267 students who would prefer Movie A.

Running a regression of birthweight on the binary variable smoker would involve using a statistical software program to analyze the relationship between these two variables.

The regression equation would take the form of Y = a + bX, where Y represents birthweight, X represents the binary variable smoker (with 1 indicating that the mother smokes and 0 indicating that she does not),

a represents the intercept (the predicted birthweight for non-smoking mothers), and b represents the slope (the change in birthweight associated with being a smoker).

To run a regression of birthweight on the binary variable smoker, we'll follow these steps:

1. Set up the regression model: Birthweight = β0 + β1(Smoker) + ε, where β0 is the intercept, β1 is the slope, and ε is the error term.

2. Estimate the intercept (β0) and slope (β1) using your data. You'll do this by fitting the regression model to your data using statistical software or a calculator that can perform linear regression.

3. Interpret the estimated intercept and slope:

- The estimated intercept (β0) represents the average birthweight for non-smokers (when Smoker = 0).

- The estimated slope (β1) represents the difference in average birthweight between smokers and non-smokers. A positive value indicates that the average birthweight is higher for smokers, while a negative value indicates that the average birthweight is lower for smokers.

4. Calculate the standard error of the estimated slope (SE(β1)) using your statistical software or calculator. This gives you an idea of the uncertainty or variability of the estimated slope.

In summary, by running a regression of birthweight on the binary variable smoker, you'll obtain an estimated intercept and slope that relate to the average birthweights of non-smokers and the difference in average birthweight between smokers and non-smokers.

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Answer:

i need points rq thanks so much

Step-by-step explanation:

imma go waste these points now

Answer:

x

Step-by-step explanation:

The third condition, |an+1|≤|an|| for all n≥N for some positive integer N, is not necessary to conclude that the series converges using the alternating series test. However, it is a helpful condition to check if we want to use the alternating series test.

To conclude that the series ∑n=1[infinity]an converges using the alternating series test, two conditions are necessary. The first condition is that the terms an alternate in sign for all n≥N for some positive integer N. This means that every odd term is negative and every even term is positive or vice versa. The second condition is that the absolute value of the terms approaches zero as n approaches infinity. In other words, limn→[infinity]an=0.
In summary, to conclude that the series converges using the alternating series test, the terms must alternate in sign and approach zero in absolute value. The third condition is not necessary but can be helpful in some cases. This test is applicable only for alternating series, where the terms alternate in sign. The alternating series test can be used to find out if an alternating series converges or diverges. It is important to note that this test only applies to series with positive and negative terms that decrease in absolute value.

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Answer:

ur screwed but the answer is 110.88

Step-by-step explanation:

:)

If the current interest rate are 4. 25%, You can afford a car of price $36591.75

An interest rate is a fee that a lender assesses to a borrower; it is calculated as a percentage of the principal, or the loaned amount. The annual percentage rate, or APR, is typically used to express the interest rate on a loan (APR).

An interest rate may also apply to earnings from savings accounts or certificates of deposit at a bank or credit union (CD). Annual percentage yields are used to calculate the interest earned on these deposit accounts (APY).

S.I =  P*R*T/100  where:

S.I = Simple interest

R = Rate of interest

P = Principal/Amount

T = Time in years

∴ R = S.I*100/P*T

Given:

P = $325 per month

R = 4.25%

T = 9 years

∵ P is in month we multiply it by 12 = 325×12

                                                   ∴P = $3900

∴ S.I for 9 years = $1491.75

Now,

You can afford a car of expense

3900*9 + S.I = 35,100 + 1491.75

                    = $36591.75

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Sarah's percentage improvement in her time is 18% between Year 8 and Year 11.

A percentage is a means to represent a percentage of 100 as a part of a whole. "%" is the symbol for percentage. For instance, if there are 25 female students in a class of 100, we may say that there are 25% of female students in the class because 25 is 25/100, or 0.25 when represented as a fraction of 100.

In a variety of areas, including finance, statistics, and daily life, percentages are used. They are frequently used to compare values that are stated in different units, such as weight or height, and to describe changes, such as percentage increases or decreases. Many professions require the ability to understand percentages, and it is frequently vital to be able to convert between percentages, fractions, and decimals.

The percentage improvement can be given by the formula:

percentage improvement = ((old time - new time) / old time) x 100%

Converting the time in one unit we have:

3 minutes 20 seconds = 3(60) + 20 = 200 sec

2 minutes 44 seconds = 2(60) + 44 = 164 sec

Substituting the values we have:

percentage improvement = (200 sec - 164 sec) / 200 sec x 100%

percentage improvement = 18%

Hence, Sarah improved her time by 18% between Year 8 and Year 11.

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Answer:

-8

Step-by-step explanation:

If you were to do integer operations, then this question algebraically would mean -4-4=-8 because going to the left on a number line is meaning subtraction/negative and going to the right is addition/positve!

Therefore, the answer is -8 :)

Answer:

36 feet

Step-by-step explanation:

answer:

see explanation.

step-by-step explanation:

for all the x values, subtract 1 and for all y values, subtract 3. the end result should be more left and more down than the original shape. hope that helps!

Answer:

t-(-1,-3)     y-(-4,1)    m-(-4,-3)   q-(-3,-3)

Step-by-step explanation:

becuaes you subtrace on on each xvariable and you subtracte 3 on every y varibale

Answer:

22 8th graders

Step-by-step explanation:

if 25% of the 88 kids are 8th graders then do this.

88x.25=22

88x.75=66

there are 22 eighth graders

and 66 seventh graders.

Answer:

the correct answer is 6

Step-by-step explanation:

only reasonable answer