What's 40% of 100?
What's 40% of 110?
What's 40% of 140?
What's 40% of 120?

The volume of the triangular prism in the diagram is 10.5 in³

From the question, we are to calculate the volume of the the given prism.

The given prism is a triangular prism.

Volume of a triangular prism = Area of triangle × Height of prism

Thus,

Volume of the triangular prism = 1/2 × Base of triangle × Height of triangle × Height of prism

From the given diagram,

Base of triangle = 2 in

Height of triangle = 1.5 in

Height of prism = 7 in

Volume of the triangular prism = 1/2 × 2 in × 1.5 in × 7 in

Volume of the triangular prism = 10.5 in³

Hence,

Volume of the triangular prism is 10.5 in³

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a) The point estimate of the population proportion of adults who lack confidence they will be able to afford health insurance in the future is 0.57

b) At 90% confidence, the margin of error is 0.0324.

c) The 90% confidence interval is (0.5376, 0.6024).

d) The 95% confidence interval is (0.5314, 0.6086).

(a) The point estimate of the population proportion of adults who lack confidence they will be able to afford health insurance in the future can be found by dividing the number of respondents who lack confidence (575) by the total number of respondents (1,007):

Point estimate = 575/1007 = 0.57 (rounded to two decimal places)

(b) The margin of error can be calculated using the formula:

Margin of error = z√(p'(1-p')/n)

where z is the z-score associated with the desired level of confidence, p' is the point estimate, and n is the sample size. For a 90% confidence level, the z-score is 1.645.

Margin of error = 1.645√(0.57*(1-0.57)/1007) ≈ 0.0324 (rounded to four decimal places)

(c) The 90% confidence interval can be calculated using the formula:

Point estimate ± Margin of error

Substituting the values:

0.57 ± 0.0324

The 90% confidence interval is (0.5376, 0.6024) (rounded to four decimal places).

(d) The 95% confidence interval can be calculated in the same way, but with a different z-score. For a 95% confidence level, the z-score is 1.96.

Margin of error = 1.96√(0.57(1-0.57)/1007) ≈ 0.0386 (rounded to four decimal places)

0.57 ± 0.0386

The 95% confidence interval is (0.5314, 0.6086) (rounded to four decimal places).

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The values of x  and y in the geometric progression are 10 and 20

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

5, x, y, and 40

To calculate the values of x and y, we have

x/5 = 40/y

Cross multiply

So, we have

xy = 200

Set x = 10

So, we have

10y = 200

This gives

y = 20

So, we have

10/5 = 40/20 = 2 --- true

Hence, x is 10 and y is 20

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Answer:

55

70

Step-by-step explanation:

Hope this helps! Pls give brainliest!

Answer:

55 and 70

Step-by-step explanation:

5÷2=2.5

20÷8=2.5

45÷18=2.5

so

22×2.5=55

and

28×2.5=70

The missing angle of the given image is: ∠HLI = 150°

There are different terms in this type of case when looking for missing angles and they include:

Corresponding angles

Supplementary angles

Opposite angles

Alternate angles

Now, we are given that:

∠JLI = 30°

We know that the sum  of angles on a straight line is 180°. Thus:

∠HLI = 180° - 30°

∠HLI = 150°

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The angle that is an obtuse angle (that is, greater than 90° but less than 180°) is 120°. The correct option is B. 120°

An obtuse angle is an angle that is greater than 90° but less than 180°. Thus, if x is an obtuse angle, the range of values for x are

90° < x < 180°

From the given question, we are to determine the angle which obtuse.

In the given figure, to determine the angle which is obtuse, we will determine the angle that is greater than 90° but less than 180°.

The angle that is greater than 90° but less than 180° is 120°.

Thus,

The obtuse angle is the angle that measures 120°

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The distance between the areas of the two states is A = 1.727 x 10⁵ km²

Given data ,

Let the area of Nebraska = 2 x 10⁵ km²

Let the area of Massachusetts = 2.73 x 10⁴ km²

The difference between the areas of Nebraska and Massachusetts A =  the area of Nebraska - the area of Massachusetts

On simplifying the exponents , we get

A = 2 x 10⁵ km² - 2.73 x 10⁴ km²

Taking the common factor , we get

A = 10⁴ ( 20 - 2.73 )

A = 10⁴ ( 17.27 )

A = 1.727 x 10⁵ km²

Hence , the area is A = 1.727 x 10⁵ km²

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The 58th percentile of the lengths is 489.4 mm.

The 58th percentile of the lengths is calculated from normal distribution curve as shown below.

The mean of the distribution is at the 50th percentile.

The 58th percentile is between the mean and 1 standard deviation above the mean.

Mean (50%) = 480 mm

58% = ?

1 standard deviation above the mean (84%)= M + S.D = 480 mm + 40 mm = 520 mm

We are going to interpolate, to find the approximate value of the length.

50 ----- 480 mm

58 ----- ?

84 ------- 520 mm

(58 - 50)/(84 - 50) = (x - 480)/(520 - 480)

0.235(40) = x - 480

9.4 = x - 480

x = 489.4 mm

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Answer:79

Step-by-step explanation:

if A C B, then A n B = A U B is always true

The statement "if A C B, then A n B = A U B" can be rephrased as "if A is a subset of B, then the intersection of A and B is equal to the union of A and B".

Every element of A is also an element of B. Therefore, the intersection of A and B contains all the elements of A.

On the other hand, the union of A and B contains all the elements of A and all the elements of B. Since A is a subset of B, all the elements of A are already included in B, so the union of A and B is just equal to B.

Therefore, we have:

A n B = A (since all the elements of A are in both A and B)

A U B = B (since A is a subset of B)

So A n B = A U B = B, which means that the original statement "if A C B, then A n B = A U B" is true

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Answer:

100 + 5f = 40

5f = -60

f = -12 feet per minute (decrease of 12 feet per minute)

Answer:

The style of William Holman Hunt's The Awakening Conscience (1853) is Pre-Raphaelite.

Answer:

$130

Step-by-step explanation:

price of helmet =discount+ price after discount

=$13.75+$116.25

=$130

The equation of the line passing through the given points is y = -2x+1.

Given that is a line passing through two points (0, 1) and (2, -3) we need to find the equation of the line using them,

We know that the equation of a line passing through points (x₁, y₁) and (x₂, y₂) is =

y-y₁ = y₂-y₁ / x₂-x₁ (x-x₁)

Here (x₁, y₁) and (x₂, y₂) are (0, 1) and (2, -3),

Therefore, the required equation is =

y-1 = -3-1/2 (x-0)

y-1 = -2x

y = -2x+1

Hence, the equation of the line passing through the given points is y = -2x+1.

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The net sales, =$20.98

The Goods available for sales= $2,045

The total cost of Goods sold=$1,955

Gross profit =$1,934.02

Net income = $1,395.98

The operating income (sales) = $7,240

The return on sales (ROS) = $345

The net sales (revenue generated) = ?

But ROS = operating income/net sales

Net sales = 7240/345;

= $20.98

The goods available for sale = beginning inventory+ new purchase = $725+$1320 = $2,045.

The total cost of Goods sold = Beginning inventory+goods available for sale - end inventory.

= 725+2,045- 815

= 2770-815

= $1,955

The gross profit = cost of goods sold (COGS) - total revenues.

= $1,955-$20.98

= $1,934.02

Net income = total operating expenses - gross profit

operating expenses = 1,750+1000+280+150+150 = $3,330

gross profit = $1,934.02

Net income = 3,330-1,934.02 = $1,395.98

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The possible solutions for x for the equation sin(2x) – sin(x) = 0 will be (π/3, 5π/3). Then the correct option is B.

Given that:

sin(2x) – sin(x) = 0

Simplify the equation, then the value of 'x' is calculated as,

sin(2x) – sin(x) = 0

sin(2x) = sin(x)

2 sin x cos x = sin x

cos x = 1/2

cos x = cos (π/3, 5π/3)

x = π/3, 5π/3

The possible solutions for x for the equation sin(2x) – sin(x) = 0 will be (π/3, 5π/3). Then the correct option is B.

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The given reflection transformation is a rigid transformation, such that the dimensions are preserved

The statements that are true about the image of triangle ABC following a reflection Bout the the line y = 2·a are;

AB = RS

ΔABC ≅ ΔRST

m∠BAC ≅ m∠SRT

Reasons:

The given parameters are;

Triangle ΔABC is reflected across the line y = 2·x

Given that a reflection is a rigid transformation, we have;

The distance between two points on a preimage is the same as the distance between the corresponding points on the image;

Therefore;

ΔABC is congruent to ΔRST by Side-Side-Side SSS, rule of congruency, such that we have;

AB ≅ RS, BC ≅ ST, and AC ≅ RT

m∠BAC ≅ m∠SRT

m∠BCA ≅ m∠STR

m∠BAC ≅ m∠SRT

Therefore;

The true statements are;

AB = RS

ΔABC ≅ ΔRST

Therefore;

m∠BAC ≅ m∠SRT given that ΔABC ≅ ΔRST

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complete question:

Triangle ABC is reflected across the line y=2x to map onto triangle RST. Select all statements that are true.

Question 3 options:

AB=RS

AB=2RS

ΔABC~ΔRST

△ABC≅ΔRST

m∠BAC=m∠SRT

m∠BAC=2m∠SRT

Answer:

Step-by-step explanation:

To dilate the square by a factor of 1111 from the origin, we need to multiply each coordinate by 1111.

The coordinates of point C are (8,8). So, to find the coordinates of point C' after dilation, we can simply multiply each coordinate by 1111:

x-coordinate of C' = 1111 * 8 = 8888

y-coordinate of C' = 1111 * 8 = 8888

Therefore, the coordinates of point C' are (8888, 8888).

The given data results in the following Frequency Distribution

Class Frequency

21-27 3

28-34 8

35-41 7

42-48 8

49-55 4

In statistics, frequency distribution is a way of organizing data into categories, or intervals, and counting how many observations fall into each category. It helps us understand the distribution of data and identify patterns within it.

To construct a frequency distribution using 5 classes, we need to first determine the range of the data:

Range = Maximum value - Minimum value

= 52 - 21

= 31

We can then calculate the width of each class:

Width = Range / Number of classes

= 31 / 5

= 6.2

Since we cannot have a fractional width, we round up to the nearest whole number. The class width is therefore 7.

Next, we need to determine the class intervals, or boundaries, which are the values that define each class. We start with the minimum value and add the class width successively:

Class 1: 21-27

Class 2: 28-34

Class 3: 35-41

Class 4: 42-48

Class 5: 49-55

We can now count how many observations fall into each class. The resulting frequency distribution is shown below:

Class Frequency

21-27 3

28-34 8

35-41 7

42-48 8

49-55 4

In this frequency distribution, we can see that the majority of the observations fall into the middle three classes, with fewer observations in the first and last classes. This suggests that the data is roughly symmetric and evenly distributed around the center.

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Answer:

1. s < 40

2. w ≤ 12

3. D ≥ 110

4. D ≤ 3 1/2

5. w ≥ 30

6. m ≥ 45

7. t ≠ 21

8. c < 45

9. D > 1/5

10. s ≠ 45 5/6

11. h ≥ 48

12. P ≠ 5

The dolphin's weight that differs most from the value predicted by this model is JoJo's (31 lb of difference)

Let's elaborate the model this way:

Snowflake's length - Pax's length = 8.2 - 7.6 = 0.6 ft

Snowflake's weight - Pax's weight = 549 - 519 = 30 lb

Ratio = 30/0.6 = 50 lb/ft

This means that for every foot of length, the dolphin has a variable weight of 50 lb.

However, if we multiply the ratio by the actual length of the two dolphins, we will have these results:

Snowflake = 50 × 8.2 = 410

Pax = 50× 7.6 = 380

Snowflake = Actual weight - Ratio× Length = 549 - 410 = 139

Pax = Actual weight - Ratio × Length = 519 - 380 = 139

The common difference is 139.

Therefore, the linear model that predicts the weight (y) of a dolphin given its length (X) is:

y = 139 + 50x

Now, let's use the linear equation or model to calculate the weight of the remaining four dolphins, as follows:

Blaze  y = 139 + 50 × 6.8 = 479 ⇒ difference of 9 lb (488 - 479)

JoJo   y = 139 + 50 × 5.8 = 429 ⇒ difference of 31 lb (460 - 429)

Corky   y = 139 + 50 ×8.4 = 559 ⇒ difference of 2 lb  (559 - 557)

Shadow  y = 139 + 50 × 7.4 = 509 ⇒ difference of 8 lb  (509 - 501)

Hence, the dolphin's weight that differs most from the value predicted by this model is JoJo's (31 lb of difference)

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The table below shows the lengths and weights of six dolphins at an aquarium. Use the data from Pax and Snowflake to

create a linear model that predicts the weight (y) of a dolphin given its length (X). Which dolphin's weight differs most from th

value predicted by this model?

Name

Snowflake

Shadow

Corky

Pax

JoJo

Blaze

Length (ft)

8.2

74

8.4

7.6

5.8

6.8

Weight (lb)

549

501

557

519

460

488

Blaze

JOJO

Corky

Shadow

The base of the natural logarithm ln(x) expression is 10

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

ln(x)

The base of the above expression is not stated

The general rule of logarithm is that when the base of the expression is not stated, then the base is 10

If the base of the expression is stated, then the expression would take the form

lnₐ(x), where the base is represented with the variable a

This means that the base of the natural logarithm ln(x) expression is 10

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Answer: 1 over 6

Step-by-step explanation:

The calculated equation for the exponential function is y = 3(2)ˣ

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

Points = (2, 12) and (3, 24)

By definition, as exponential function is represented as

y = abˣ

Substitute the known values in the above equation, so, we have the following representation

ab² = 12

ab³ = 24

So, we have

b = 2

This means that

a(2)³ = 24

So, we have

a = 3

Recall that

y = abˣ

So, we have

y = 3(2)ˣ

Hence, the equation for the exponential function is y = 3(2)ˣ

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Answer: Translation

Step-by-step explanation:

      To get from the pre-transformation shape (red) to the transformed image (blue), a translation takes place. This is where the shape is not rotated, reflected, or stretched, but simplify "slided" or "shifted" somewhere else.

The length of the segment in circle (9) is the radius x = 6. And the length of the segment in (10) is x = 8.9

A circle is a two-dimensional shape that is defined as a set of points that are equidistant from a single fixed point, called the center. The radius of a circle is the distance from the center to any point on the circumference. All radii of a circle are equal in length. While the diameter of a circle is a straight line passing through the center of the circle and touching two points on the circumference. The diameter is always twice the length of the radius.

For question (9):

the segments indicated as x and 6 are radii of the circle so;

x = 6

For question (10):

the radius = 31.6/2 = 15.8

also;

the radius = 6.9 + x

so;

x = 15.8 - 6.9

x = 8.9.

Therefore, the The length of the segment in circle (9) is the radius x = 6. And the length of the segment in (10) is x = 8.9

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The function to determine the length of the candle, y, after burning for x number of hours is y = 9-x/2

Given that, a candle is nine inches long and the packaging states the candle burns down at the rate of 1/2 an inch per hour.

We need find function to determine the length of the candle, y, after burning for x number of hours.

Since, the melting rate of the candle is 1/2 per hour,

So, the function will be =

y = 9-x/2

Hence, the function to determine the length of the candle, y, after burning for x number of hours is y = 9-x/2

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