Do these side lengths make a triangle?

6, 10, 15

Answer:

238

Step-by-step explanation:

First, you have to figure out the area for each of the boxes, and then you add all of the areas together

The answers to the questions involving trigonometry are: 90, BC/AB ÷ BC/AB = 1, g = 6.5, <I = 62 degrees, h= 13.8, 12.0, x = 6.8, x = 66.4, 160.6, The pole = 6.7

Trigonometric ratios are special measurements of a right triangle, defined as the ratios of the sides of a right-angled triangle.  There are three common trigonometric ratios: sine, cosine, and tangent

For page 3 question 3,

a) <A + <B = 90 since <C = right angle

b) SinA = BC/AB and CosB = BC/AB

The ratio of the two angles BC/AB ÷ BC/AB = 1

I notice that the ratio of sinA and cosB gives 1

b) The ratio of CosA and SinB will give

BC/AB ÷ BC/AB

= BC/AB * AB/BC = 1

For page 5 number 3

Tan28 = g/i

g/12.2 = tan28

cross multiplying to have

g = 12.2*tan28

g = 12.2 * 0.5317

g = 6.5

b) the angle I is given as 90-28 degrees

<I = 62 degrees

To find the side h we use the Pythagoras theorem

h² = (12.2)² + (6.5)²

h² = 148.84 +42.25

h²= 191.09

h=√191.09

h= 13.8

For page 6

1) Sin42 = x/18

x=18*sin42

x = 18*0.6691

x = 12.0

2) cos28 = 6/x

xcos28 = 6

x = 6/cos28

x [= 6/0.8829

x = 6.8

3)  Tan63 = x/34

x = 34*tan63

x= 34*1.9526

x = 66.4

4) Sin50 123/x

xsin50 = 123

x = 123/sin50

x = 123/0.7660

x =160.6

5)  Sin57 = P/8

Pole = 8sin57

the pole = 8*0.8387

The pole = 6.7

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A valid study is one that portrays the population being studied and measures what it is supposed to. It must use random sampling and produce expected results to be deemed a reliable source. However, such studies do not necessarily result in a causal relationship between the independent and dependent variables.

The primary goal of any study is to depict the population being investigated in an accurate and unbiased manner. This involves selecting an appropriate sample of the population to study. This is why a study must use random sampling, which means every member of the population has an equal chance of being selected. This helps avoid sample bias, which is when a sample is chosen in a way that it is not representative of the population, leading to incorrect or inaccurate conclusions.

A valid study must measure what it is supposed to, which means that the study should be designed to measure what it claims to measure. For instance, a study on the effects of sleep on memory should use measures that accurately assess memory and sleep. If the study is designed to assess memory but fails to do so, the results will be unreliable. Finally, a valid study verifies expected results.

This means that the study should produce results that are consistent with what is expected based on prior research or theory. However, this does not mean that a study necessarily results in a causal relationship between the independent and dependent variables. Rather, such a relationship can only be inferred if the study is well-designed and the results are properly analyzed and interpreted.

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Answer:

28.5714%

Step-by-step explanation:

6 kids who play basketball, they could play baseball as well.

Answer:

Even

Step-by-step explanation:

Its even because a parabola as the equation of x^2, that is an even graph!

:)

Answer:

even

(sorry if it's wrong but I'm pretty sure it's even.)

The statistical decision based on the reported results of the hypothesis test is that the null hypothesis was rejected at the α = .05 significance level.

The t-value reported is 2.38, and the degrees of freedom are 21. This suggests that the test was likely a t-test with an independent samples design, where the sample size was n = 22 (since df = n - 1).

The p-value reported is less than .05, which indicates that the probability of obtaining the observed results, or results more extreme, under the assumption that the null hypothesis is true, is less than .05. Therefore, the null hypothesis is rejected at the .05 significance level in favor of the alternative hypothesis.

In conclusion, the statistical decision is that there is sufficient evidence to suggest that the population means are not equal, and the sample size was 22. However, we do not have information about the direction of the effect (i.e., whether the difference was positive or negative).

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After plotting the inequalities, we see that the second set satisfies the graph provided.

How can we graph inequalities?

A linear or quadratic inequality can be graphed in a manner similar to that of an equation. The distinction is that an inequality displays a range of values greater than or less than, thus your graph will display more than just a dot on a number line or a line on a coordinate plane. You can figure out which numbers are part of an inequality solution by utilizing algebra and evaluating the inequality sign.

Let the first inequality be  \(3x+5y\leq 10\).

When we plot the equality, we see that it covers the portion including the origin.

Next inequality is \(-x+y > -5\).

When plotting this one, we again see that it covers the portion including the origin.

The last equality is \(y-6 > -5x\).

While plotting it, we see that this line overlaps the other 2 lines making a common space of the triangle that is shown in the figure.

Hence the second set of inequalities represent the graph.

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After plotting the inequalities, we see that the second set satisfies the graph provided.

How can we graph inequalities?

To graph inequalities, you can use a number line or a coordinate plane. Here's an example of how to graph an inequality on a number line:

First, determine the inequality symbol: >, <, ≥, or ≤.

Next, determine the value of the inequality.

Plot the value on the number line, using an open circle for > or <, and a closed circle for ≥ or ≤.

Shade in the region on one side of the plotted point, according to the inequality symbol. For example, if the inequality is x > 3, then you would shade in the region to the right of 3, since values greater than 3 satisfy the inequality.

Here's an example of how to graph an inequality on a coordinate plane:

First, determine the inequality symbol: >, <, ≥, or ≤.

Next, rewrite the inequality in the form "y > f(x)" or "y < f(x)" by isolating the y term on one side of the inequality.

Plot the function f(x) on the coordinate plane.

Shade in the region above or below the plotted function, depending on the inequality symbol. For example, if the inequality is y > f(x), then you would shade in the region above the plotted function, since values of y greater than f(x) satisfy the inequality.

Let the first inequality be \(3x+5y\leq 10\)

When we plot the equality, we see that it covers the portion including the origin.

Next equality is \(-x+y > -5\)

When plotting this one, we again see that it covers the portion including the origin.

The last equality is \(y-6 > -5x\)

While plotting it, we see that this line overlaps the other 2 lines making a common space of the triangle that is shown in the figure.

Hence the second set of inequalities represent the graph.

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Step-by-step explanation:

There are FOUR queens in a deck of 52 cards

4/52 chance of selecting a queen =  1/13  chance  = .07692 chance

Answer:

(2,-3), (3,-1), (4,-4), (6,-1)

Answer:

May not have much of a clue how much of 8

Answer:

Step-by-step explanation:

The slope for the given situation will be $2.96. 5.92/2 = $2.96 per meal

Answer:

The answer would be Y= 1/4X -3

Step-by-step explanation:

Hope it was helpful .

Good luck ^.^

To prove that f has a relative minimum at c, we can use the First Derivative Test. The First Derivative Test states that if a function is differentiable on an interval and the derivative changes sign from negative to positive at a point within that interval, then that point is a relative minimum.

Given that f is continuous on the interval I = [a, b], differentiable on (a, c) and (c, b), and that f'(x) ≤ 0 for c − δ < x < c and f'(x) ≥ 0 for c < x < c + δ, we can proceed with the proof:

Consider the left neighborhood of c, (c - δ, c). Since f is differentiable on (a, c), we can apply the Mean Value Theorem (MVT) on this interval. According to the MVT, there exists a point d between a and c such that f'(d) = (f(c) - f(a))/(c - a).

Since f'(x) ≤ 0 for c − δ < x < c, it follows that f'(d) ≤ 0. This implies that f(c) - f(a) ≤ 0.

Consider the right neighborhood of c, (c, c + δ). Applying the MVT again, there exists a point e between c and b such that f'(e) = (f(b) - f(c))/(b - c).

Since f'(x) ≥ 0 for c < x < c + δ, it follows that f'(e) ≥ 0. This implies that f(b) - f(c) ≥ 0.

Combining the inequalities from steps 2 and 4, we have f(b) - f(c) ≥ 0 ≥ f(c) - f(a).

Since f(b) - f(c) ≥ 0 ≥ f(c) - f(a), it follows that f(b) ≥ f(c) ≥ f(a).

Therefore, f(c) is a relative minimum because it is smaller than or equal to the function values at both endpoints of the interval I = [a, b].

In conclusion, based on the given conditions and the application of the First Derivative Test, we have shown that f has a relative minimum at c.

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Answer:Answer:The equation that could be used to determine the length of each of the four pieces of wood he cut is 3.5 = 0.6 + 4x and the solution is x = 0.725

Part A: Write an equation that could be used to determine the length of each of the four pieces of wood he cut.

Represent the length of the four pieces with x

So, the given parameters are:

Initial length = 3.5 feet

Remaining length = 0.6 feet

Number of pieces = 4

The equation that could be used to determine the length of each of the four pieces of wood he cut is represented as:

Initial length = Remaining length + Number of pieces * x

This gives

3.5 = 0.6 + 4x

Hence, the equation that could be used to determine the length of each of the four pieces of wood he cut is 3.5 = 0.6 + 4x

Part B: Explain how you know the equation from Part A is correct.

The equation in part (A) is correct because it can be used to determine the length of each of the four pieces of wood he cut

Part C: Solve the equation from Part A.

In part A, we have:

3.5 = 0.6 + 4x

Subtract 0.6 from both sides

2.9 = 4x

Divide both sides by 4

x = 0.725

Hence, the solution is x = 0.725

Step-by-step explanation:

Hope I helped ;)

Answer:

222222222222222222222%

Answer: A = 67%

Step-by-step explanation:

The probability that the sum of the numbers on the dice facing up add up to 3 is 1/18.

Probability is defined as the likeliness of an event to occur. The probability of any event to occur ranges from 0 to 1, and the sum of all the probabilities of all the events happening is 1.

probability = desired outcome / total outcomes

A 6-sided dice has numbers 1, 2, 3, 4, 5, 6 at each of the 6 sides.

The event of rolling two fair 6-sided dice, which the numbers on the dice facing up add up to 3, is by having (1, 2) or (2, 1).

probability = desired outcome / total outcomes

probability = 2 / (6 x 6)

probability = 2 / 36

probability = 1/18

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Answer:

Step-by-step explanation:

Direct variation has the form y/x=k or y=kx so for y=64 and x=8 we have

64=8k, dividing each side by 8

k=8

So the constant of variation is 8

There were 4 parents in the group attending a concert.

The number of adults = total amount paid for the ticket ÷ cost of each ticket

The number of adults = 1200 ÷ 60

Performing division

The number of adults = 20

Let the number of parents be x. So, the number of teachers will be (20 - x). But, number of teachers is (x + 4). So, relating the two -

20 - x = x + 4

Rewriting the equation

x + x = 20 - 4

Performing addition on LHS and subtraction in RHS

2x = 16

Performing division

x = 8

There were 8 parents in the group.

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Answer:

d

Step-by-step explanation:

Answer:3048.7804878

Step-by-step explanation:

I took the same test p.s. you may need to round.

An equation of the line that passes through the point (-8, 8), and has a slope of 3/4 is 3x - 4y = -56

Mathematically, the point-slope form of a straight line can be calculated by using this mathematical expression:

y - y₁ = m(x - x₁)

Where:

At data point (-8, 8), a linear equation of this line can be calculated in standard form as follows:

y - y₁ = m(x - x₁)

y - 8 = 3/4(x - (-8))

y = 3x/4 + 6 + 8

y = 3x/4 + 14

4y = 3x + 56

3x - 4y = -56

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Answer:

explain?

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

When you come from -3 to -6 the inequality becomes -6 if you are having troble with this, I should check out an inequality caculator

Answer:

$212

25 + 11t

Step-by-step explanation:

Total wage = fixed wage + variable wage

Fixed wage = $25

Variable wage depends on tips from a number of tables

Abigail gets $11 in tip per table

Let t = number of tables

Variable wage = 11t

Total wage = 25 + 11t

How much would Abigail expect to earn in a day on which she

waits on 17 tables?

Total wage = 25 + 11t

= 25 + 11(17)

= 25 + 187

= $212

Abigail will earn a total of $212 if she waits on 17 tables each day

How much would Abigail expect to make in a day when

waiting on t tables?

Total wage = 25 + 11t

When t = t

Total wage = 25 + 11t

Abigail will earn a total of 25 + 11t if she waits on t tables each day

When using Beer's law type measurements, the expected error bars for data points taken at low and high analyte concentrations are typically larger than the measurements in the mid-range of the concentration curve. This is because the relationship between absorbance and concentration is not linear throughout the entire range.

In the mid-range of the concentration curve, the absorbance and concentration exhibit a linear relationship according to Beer's law, which states that absorbance is directly proportional to the concentration of the analyte. This linear relationship leads to more accurate and precise measurements, resulting in smaller error bars.

However, at low and high analyte concentrations, the relationship between absorbance and concentration becomes nonlinear. At low concentrations, the absorbance may be close to zero, leading to a larger relative error as even a small fluctuation in the measured value can have a significant impact on the calculated concentration. Similarly, at high concentrations, the absorbance may approach a maximum value, causing deviations from linearity and larger errors.

These nonlinearities can arise due to factors such as instrument limitations, deviations from ideal chemical behavior, or limitations of the Beer's law itself. As a result, measurements taken at extreme concentration values tend to have larger error bars compared to those in the mid-range of the concentration curve.

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Answer:

Step-by-step explanation:

Wheelbarrows  is 30/3 = 10

Pair of shoes is (18 - 10) /2 = 4 so one shoe is 2

2 Seed bags is 4 - 2 = 2 so one bag is 1

Answer is 1(seed baf) + 10(wheelbarrows X 2(shoe) = 21

Answer:

14. Three points tat are not collinear

Three points that are not colinear consist of a line and a third point, therefore, joining all three points form a flat figure having a length and a width which is a two-dimensional flat figure or a plane

15. A line and a point not lying on the line

Like the example above, the joining of the points results in a two dimensional figure having a length and a width also known as a planar surface

16. Two lines which intersect at a point

Given two lines that intersect at a point, joining the other end point of the two lines results in the forming of a flat figure, that can be described in two dimensions also known as a planar surface or plane

Step-by-step explanation:

A plane in mathematics is a flat surface that has only two dimensions and extends infinitely in all directions

Answer:

A my dude. good luck!!!!!

Answer:

A

Step-by-step explanation:

AC = 5

DF = 15

5 x 3 = 15

BC = 3

EF = 9

3 x 3 = 9

Do you see the pattern? So as you can see the difference between Triangle ABC and DEF is the multiply/divide 3 so if you want to find DE then you should set it up as:

\(\frac{4}{3}\) = \(\frac{DE}{9}\)  and to check if its right if you solve it you get \(\frac{4}{3}\) = \(\frac{12}{9}\)

and as you see \(\frac{12}{9}\) and \(\frac{4}{3}\) are literally the same thing just you need to simplify \(\frac{12}{9}\)

These tests have alternative hypotheses that explicitly state X is less than the specified value.

The alternative hypothesis (Ha) is the other answer to your research question. It claims that there's an effect in the population. Often, your alternative hypothesis is the same as your research hypothesis. In other words, it's the claim that you expect or hope will be true

Left-tailed tests are hypothesis tests where the alternative hypothesis suggests that the population parameter is less than a specified value. Therefore, the correct left-tailed tests among the answer choices are:

B) H0: X = 19.7, Ha: X < 19.7

C) H0: X = 11.2, Ha: X < 11.2

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