what is the area of the opening in a duct that has a diameter of 7 inches? round the answer to the nearer thousandth square inch.

Answer:

89.70 dollars

Step-by-step explanation:

If Juwad picked 30 bags of apples and only sold 26 of them for 3.45 each, then you would have to multiply the number of bags sold by the price, and you would get your answer. So in this case:

1. (#sold)* (price)= total amount of money made

2. 26*3.45= 89.70

3. And you can check by dividing 89.70(your answer) by the price of the apples

4. 89.70/3.45= 26

A representative sample based on the hospital scenario is option A

A subset of a larger population that accurately reflects the traits, diversity, and distribution of the total population is referred to as a representative sample.

Due to time, financial, or logistical limitations, it is frequently not possible or practical to investigate an entire population when conducting research or gathering data. In these situations, researchers choose a representative sample from which to deduce generalizations about the total population.

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Answer: The next fraction in the sequence will be 5/20.

Step-by-step explanation:

9/20 is the first fraction.

2/5 is equal to 8/20, so that is the second fraction.

7/20 is the third fraction.

3/10 is equal to 6/10, so that is the fourth fraction.

By now we can see that there is a pattern, because the first fraction's numerator began with 9, the next 8, then 7, and 6. We also simplfied all he fractions so that they had the denominator 20. Because of this, the next fraction in the sequence will be 5/20.

Answer:

The answer is $99

Step-by-step explanation:

The total money Lincoln has to pay for his family to see a movie and share 4 snacks is $59. When Lincoln buys x snacks to share, the total cost would be $39 plus $5x.

The costs that Lincoln has to pay consists of two parts: the cost for the tickets and the cost for snacks. Lincoln himself and his two kids makes for 3 people in total. A ticket for each person costs $13, so the cost for tickets is 3 multiplied by $13, which equals $39.

If Lincoln buys 4 snacks for everybody to share, each at a price of $5, these snacks would cost 4 multiplied by $5, which is $20 in total. So, the total cost would be $39 (for tickets) plus $20 (for snacks), resulting in a total of $59.

For the case when Lincoln buys x snacks for everybody to share, just replace the number 4 with x in our snacks calculation. That would be $5x for the snacks cost. The total cost Lincoln would have to pay is then, still $39 for tickets, plus $5x for snacks.

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Notations are used to specify the range of a function. The range of fish A is [28,32] while the range of fish B is [11,infinity).

Also, the range of fish B is not reasonable.

For fish A, we have:

\(Minimum = 28\)

\(Maximum = 32\)

For Fish B, we have:

\(Minimum = 11\)

For fish A, the minimum and the maximum are inclusive. So, the range is:

\(Range= [Minimum, Maximum]\)

This gives:

\(A = [28,32]\)

For fish B, the minimum is known (and inclusive). The maximum is not known, so we represent the maximum with infinity.

So, the range is:

\(Range= [Minimum, Maximum)\)

\(B = [11,\infty)\)

The range of fish B is not reasonable because there is a limit to the size of fish a slot can take.

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Answer:

-3

Step-by-step explanation:

x

+

3

=

O

A

=

−

x

+

13

=

X

=

−

3

=

=

−

3

1

=

=

−

3

1

=

=

−

3

The 90% confidence interval is: (2.51, 3.22)

It is a boundary of values which is eventually to comprise a population value with a certain degree of confidence. It is usually shown as a percentage whereby a population means lies within the upper and lower limit of the provided confidence interval.

We have the following information :

The level of significance is calculated as:

\(\alpha =1-c\\\\\alpha =1-0.90\\\\\alpha =0.10\)

The degrees of freedom for the case is:

df = n - 1

df = 15 - 1

df = 14

The 90% confidence interval is calculated as:

=x(bar) ±\(t_\frac{\alpha }{2}\), df \(\frac{s}{\sqrt{n} }\)

= 2.86 ±\(t_\frac{0.10 }{2}\), 14 \(\frac{0.78}{\sqrt{15} }\)

= 2.86 ± 1.761 × \(\frac{0.78}{\sqrt{15} }\)

= 2.86 ± 0.3547

= (2.51, 3.22)

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Answer:

associative property

Step-by-step explanation:

This may be computed by dividing his hitting % by the number of times he bats (20). (0.8). 20 x .8 = 16

Percentage:

a: a part of a whole expressed in hundredths a high percentage of students attended.

b: the result obtained by multiplying a number by a percent the percentage equals the rate times the base.

c: a share of winnings or profits.

If Henrie hits 80% of the time he's at bat, and he is up to bat 20 times this weekend, he is expected to hit 16 times. This can be calculated by multiplying the number of times he is up to bat (20) by his hitting percentage (0.8). 20 x .8 = 16

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Answer:

x < -7

Step-by-step explanation:

to isolate x we need to subtract 2 from both sides. -5-2 is -7, so the answer is x < -7

Answer:

x< −7

Step-by-step explanation:

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                    x+2-(-5)<0

Step by step solution :

STEP 1:

Solve Basic Inequality :

1.1      Subtract  7  from both sides

           x < -7

Inequality Plot :

1.2      Inequality plot for

        x  + 7.000  <  0

Answer:

All are rational except 47.444...

CP=SP*100÷100+P

so,

CP=10350*100÷100+15

CP=9000

Answer:

solution

Step-by-step explanation:

Let.the cp of TV be RS X

now,CP=SP-profit

or, CP=SP-profit% of Cp (as profit amount =profit % of Cp)

or, x=Rs 10350-15÷100× X

or, x= Rs 10350 _ 3X ÷20

or, x+3x ÷20 =Rs 10350

or, 23x ÷20 = Rs 10350

or, x = 10350×20 divided by 23

Therefore X =Rs 9000

The first credit card was Diners Membership Card in 1950.  In 1951 the Franklin National Bank issued the first credit card on Long Island, New York.

The key purchases from US credit history are as follows:

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Answer: c. a = 2y and b = -3

Step-by-step explanation:

To find the values of a and b in this division problem, we need to perform polynomial division. Starting with the dividend, 8y^2 – 12y + 4, we divide the leading term of the dividend, 8y^2, by the leading term of the divisor, 4y. This gives a quotient of 2y.

Next, we multiply the divisor, 4y, by 2y and subtract it from the dividend, 8y^2 – 12y + 4. This gives a remainder of -3.

So, in this division problem, the values of a and b are a = 2y and b = -3.

Answer:

x = 135

Step-by-step explanation:

\(\frac{4}{9}\) x + \(\frac{1}{5}\) x = 87

Multiply through by 45 ( the LCM of 9 and 5 ) to clear the fractions

20x + 9x = 3915

29x = 3915 ( divide both sides by 29 )

x = 135

Answer:

x = 135

Step-by-step explanation:

4/9x+ 1/5x= 29/45x

29/45x = 87

29x = (87)*(45)

x = 3915/29

x = 135

Answer:

y=-3x+5

Step-by-step explanation:

In space, there can be infinitely many planes that are perpendicular to a given line at a given point on that line.

The correct answer is Option D.

The key concept here is that a plane is defined by having at least three non-collinear points.

When a line is given, we can choose any two points on that line, and then construct a plane that contains both the line and those two points. By doing so, we ensure that the plane is perpendicular to the given line at the chosen point.

Since we can select an infinite number of points on the given line, we can construct an infinite number of planes that are perpendicular to the line at various points.

Thus, the correct answer is D. infinitely many planes can be perpendicular to a given line at a given point in space.

The correct answer is Option D.

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The probability that the mean weight between 445 grams and 469 grams is 0.7883.

The probability of a randomly selected mean weight of three fruits falling between 445 and 469 grams can be calculated using the Z-score formula. The Z-score formula is used to calculate how many standard deviations a given value is from the mean. The Z-score formula is:

Z = (x - μ) / σ

Where x is the given value, μ is the mean and σ is the standard deviation.

In this case, the given value is the mean of the three fruits, and the mean is 450 grams and the standard deviation is 37 grams. So, our Z-score formula becomes:

Z = (x - 450) / 37

For the lower bound of 445 grams, the Z-score is -0.81. For the upper bound of 469 grams, the Z-score is +0.81.

Using a Z-Table, we can look up the area under the standard normal curve from -0.81 to +0.81.This area is 0.7883, which is the probability that the mean weight of three fruits will be between 445 and 469 grams.

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The linear equation that defines the dependent variable, t, in terms of the independent variable, a is t = 4/3a - 1.

Linear equation:

Linear equation is an algebraic equation in which each term has an exponent of 1 and when graphed, the result is always a straight line.

The general form of the linear equation is

y = mx + c

where

y = dependent variable

m = slope

x = independent variable

c = y - intercept

Given,

Here we have the table with the values of t and the value of a.

Now, we need to find the linear equation for this table.

In order to find the linear equation, we need the values of slope and the y intercept values.

To find the value of slope we have to take two point from the given table.

They are (4,5) and (12, 11).

Now, apply the value on the slope formula, then we get,

m = (12 - 4) / (11 - 5)

m = 8/6

When we simplify it, then we get,

m = 4/3

Now, we have to use the slope m and the point (4,5), to find the value of y intercept,

Then we get the value of c as,

5 = 4/3 (4) + c

15 = 16 + c

c = -1

Therefore, the linear equation of the table is, t = 4/3a - 1

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Thus, the store can expect to return about 36 copies to the publisher at the end of the month.

The newsvendor problem is a classic inventory optimization problem that seeks to balance the costs of overstocking and understocking.

In this case, we have the demand for the August issue of National Geographic magazine, which is normally distributed with a mean of 80 and a standard deviation of 25.

The store stocks 100 copies of the magazine and wants to know how many copies it can expect to return to the publisher at the end of the month.

To solve this problem, we need to use the normal distribution formula, which is:

Z = (X - μ) / σ

where Z is the standard score, X is the number of copies sold, μ is the mean, and σ is the standard deviation.

We can use this formula to find the probability of selling all 100 copies, which is:

Z = (100 - 80) / 25 = 0.8

P(Z < 0.8) = 0.7881

This means that there is a 78.81% chance of selling all 100 copies.

To find the expected number of returns, we can subtract the expected number of sales from the initial stock:

Expected returns = 100 - (80 x 0.7881) = 36.36

Therefore, the store can expect to return about 36 copies to the publisher at the end of the month.

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Applying the inscribed angle theorem, we have:

a. x = 55° b. x = 60°  c. x = 92°    d. x = 84°

These theorem states that:

Inscribed angle measure = 1/2(central angle) or measure of intercepted arc.

Intercepted arc measure = central angle measure.

Therefore, we have:

a. x = 180 - 35 - 90 [tangent theorem]

x = 55°

b. x = 1/2(120) [inscribed angle theorem]

x = 60°

c. x = 2(46) [inscribed angle theorem]

x = 92°

d. m(FE) = 2(42) = 84°

m(EB) = 180 - FE = 180 - 84

m(EB) = 96°

m(AB) = 180 - m(EB) = 180 - 96

m(AB) = 84°

x = m(AB) = 84° [central angle theorem]

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Ellen can make a maximum of 6 batches of Cardamom cookies with her 2 fluid ounces of cardamom.

Ellen has 2 fluid ounces of cardamom in a jar. Her recipe requires 3/10 of a fluid ounce of cardamom for each batch of cardamom cookies.

We can use division to find the number of batches of cardamom cookies that Ellen can make with all of her cardamom:

2 fluid ounces ÷ (3/10 fluid ounce per batch) = (2/1) ÷ (3/10)

= (2/1) x (10/3)

= 20/3

= 6 2/3

Therefore, Ellen can make 6 batches of cardamom cookies with her 2 fluid ounces of cardamom, with 2/3 of a batch remaining.

Since she cannot make a fraction of a batch, Ellen can make a maximum of 6 batches of cardamom cookies with her 2 fluid ounces of cardamom.

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Answer:

The answer is 12

Step-by-step explanation:

Trust me, kay? Please mark Brainliest!!!!

Answer:

12.8

Step-by-step explanation:

16% of 80

\(\frac{16}{100}\) × 80

\(\frac{16}{10}\) × 8

\(\frac{16}{5}\) × \(\frac{4}{1}\)

16 × 4

5

12\(\frac{4}{5}\) = 12.8

Answer:

False

Step-by-step explanation:

x - (-3) = x + 3

x + (-3) = x - 3

Answer:

False

Step by step directions:

because you got to look at the symbols that tell yo what you need to do!

Answer:

19 maybe?

Step-by-step explanation:

Step-by-step explanation:

Triangle a) is half of an equilateral triangle therefore the height divides the base into two equal parts, same thing for triangle b), triangle c) instead is half square, therefore congruent catheti.

a)

n = 6 : 2

n = 3

m = √(6²+3²)

m = √45

b)

x = 10 x 2 = 20

y = √(20²-10²)

y = √300

c)

a = √(5²+5²)

a = √50

Answer:

2+x

Step-by-step explanation:

Sum= addition

If the number is not provided we always include a variable and the most common one is X never use t, o, i, l, because you might confuse yourself because they look like numbers when they are variables.

\(\huge\text{Hey there!}\)

\(\large\text{The word \bf{SUM}}\large\text{ simply means to \bf{ADD}}}\)

\(\large\text{Your x value is \bf{unknown}}}\)

\(\large\text{So, basically youre ADDING 2 from the unknown number (which is x)}\)

\(\bold{Meaning\ your\ equation\ look\ like\ \underline{2+x}}\)

\(\boxed{\boxed{\bold{Answer: 2 + x}}}\huge\checkmark\)

\(\large\textsf{Good luck on your assignment and enjoy your day!}\)

~\(\frak{Amphitrite1040:)}\)

Answer: 0.95 of 700 is 6.65.

Step-by-step explanation:

0.95% of 700

700 x 0.95/100

6.65

Please give brainliest !!

Answer:

You forgot to put this:

9

7

6

8

The answer is 7

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