Please Help! I'll give brainliest if right!!!!

Answer:

\(V=3367.57\ cm^3\)

Step-by-step explanation:

The diameter of a sphere, d = 18.6 cm

Radius, r = 9.3 cm

We need to find the volume of the sphere. The formula for the volume of a sphere is given by :

\(V=\dfrac{4}{3}\pi r^3\\\\=\dfrac{4}{3}\times 3.14\times (9.3)^3\\\\=3367.57\ cm^3\)

So, the volume of the sphere is equal to \(3367.57\ cm^3\).

The conclusion results in a correct decision when test of H0: =55 versus H1= 55 is performed using a significance level of the P-value is 0.048

The given null hypothesis is H0: μ = 55 and the alternative hypothesis is H1: μ ≠ 55.

The significance level is not given in the question.

Given P-value is 0.048.

If the true value of μ is 59, and the P-value is 0.048, then we would reject the null hypothesis at a significance level of α = 0.05.

Since the true value

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Answer:

Step-by-step explanation:

Since this is not a right triangle, we will use the Law of Sines. For us that looks like this:

\(\frac{sin55}{3.5} =\frac{sinx}{4}\) and cross multiply to get

4sin55 = 3.5sinx and solve for sinx:

\(sinx=\frac{4sin55}{3.5}\) so

sinx = .9361737 Use the 2nd button on your calculator and the sin button to find that the angle

x = 69.4°. Not sure how you need it rounded. It's actually 69.4186°

Answer:

It is 70

Step-by-step explanation:

Khan Academy

Answer:

16/(8×2)=

16/8×2=

16-8/2=

8/2=

4

Step-by-step explanation:

first we subtract 8 from 16 and divide the result by 2.

Answer:z

Then variable is n

Variable is an alphabet that depend on number. Then the variable there is n

And the coefficient of the variable is 2

The coefficient is the number behind a variable

And the value of the variable is

2n-3=7

Add 3 to both sides

2n-3+3=7+3

2n=10

Divide both side by 2

2n/2=10/2

n=5

Answer:

n=2

Step-by-step explanation:

Answer:

A 3.24 milligrams

Step-by-step explanation:

4 milligrams of copper - 0.76 milligrams of lead = 3.24 milligrams.

brainliest please. . . .

Answer:

(x-1)^2+(y-2)^2=6.25

Step-by-step explanation:

Origin: (1, 2)

Radius: 2 1/2

(x-1)^2+(y-2)^2=2.5^2

(x-1)^2+(y-2)^2=6.25

Answer: ( x - 1 )^2 + ( y - 2 )^2 = 6.25

Step-by-step explanation:

Omar would most likely use a line graph to show changes in water depth. A line graph would allow him to plot the water depth readings against a timeline and visualize how the depth changes over the duration of the drought.

A line graph is the most appropriate method of displaying data to show changes in water depth over the duration of the drought. A line graph is a type of chart that plots data points on a two-dimensional coordinate system. It is used to show how one set of data changes over a period of time. Omar would plot the water depth readings along the vertical y-axis and the days of the drought along the horizontal x-axis. A line would then be drawn to connect the data points, depicting the changes in water depth over the period of the drought. Additionally, the data points can also be labeled to provide more detailed information about the water depth readings at each point. This would allow Omar to compare the readings over time and monitor the effects of the drought on the water depth.

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If you are trying to find the missing measures of a rectangle, you should know that all rectangles have four sides, and each side has a length.

In other words, if you have a rectangle, two of the angles must be 90 degrees, and the other two angles must also be 90 degrees. To find the missing measures of a rectangle, you need to use the properties of rectangles.

First, find the length of each side. The length of all sides of a rectangle should be the same. Then, calculate the area of the rectangle. You can do this by multiplying the length of one side with the length of the other side.

Finally, you can use the Pythagorean Theorem to find the missing measures.

The Pythagorean Theorem states that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.

Using this theorem, you can find the length of the hypotenuse of the rectangle.

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Complete Question:

if each quadrilateral is given, then define the steps to find the missing measures a rectangle.

Answer:

x ≥ 18

Step-by-step explanation:

Given the inequality statement, 2/3x + 17 ≥ 29,

Subtract both sides by 17:

2/3x + 17 - 17 ≥ 29 - 17

2/3x  ≥ 12

Multiply both sides by 3/2 to isolate x:

\((\frac{3}{2}) \frac{2}{3}x \geq 12 (\frac{3}{2})\)

x ≥ 18

The cost of filling your gas tank if it is already 38 38 full. $48.88 required to fill the gas tank if it is already 38% full.

Money do you spend on gasoline is $72.46 is spends on that trip.

Given that

To find

So according the question

We have

Now, for finding

a.) The cost of filling your gas tank if it is already 38 % full.

      38 % of 25 gallon = 9.5 gallon

      the unfilled part of the tank  = 25-9.5 = 15.5 gallon

      So the tank can filled 15.5 gallon of gasoline more now.

      The cost of 15.5 gallon of gasoline

                                   = 15.5 × cost of 1 gallon of gasoline

                                   = 15.5 × 2.96

                                   = $45.88

b.) How much money spend on gasoline on the trip of 705 miles.

    ∵ Car can travelled in 1 gallon of gasoline = 28.8 miles.

    ∴ Gasoline required to travel 705 miles = \(\frac{705}{28.8}\)

                                                                        = 24.48 gallon.

      The cost of 24.48 gallon of gasoline

                                   = 24.48 × cost of 1 gallon of gasoline

                                   = 24.48 × 2.96

                                   = $72.46    

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If ec = 10cm, ae = 4cm, and m∠eab = 45°, then the area of the kite is 250/49 square cm. Therefore, the correct option is (b) 250/49.

In the picture above, ec = 10 cm, ae = 4 cm, and m∠eab = 45°. Formula to find the area of a kite is: A = (d1d2)/2

Where,d1 and d2 are the diagonals of the kite. In the given diagram, a kite ABCE is shown. So, we need to find the diagonals of the kite. So, we have to find the length of diagonal AB. Diagonal AB divides the given kite into two triangles ABE and ACE. In triangle ABE,∠BAE = 90°and ∠EAB = 45°

Therefore, ∠ABE = ∠BAE - ∠EAB∠ABE = 90° - 45°∠ABE = 45°

Now, tan ∠ABE = EA/BE4/BE = tan 45°BE = 4 cm As diagonals of kite AC and BD are perpendicular to each other and their lengths are in ratio of 5:2

Diagonal AC = 5x, Diagonal BD = 2x.

Diagonal AC + Diagonal BD = 10 cm (Given ec = 10 cm)5x + 2x = 10 cm7x = 10 cmx = 10/7 cm

Therefore, Diagonal AC = 5x = 5(10/7) = 50/7 cm And, Diagonal BD = 2x = 2(10/7) = 20/7 cm

Now, we have found both the diagonals. So, let's apply the formula of the area of a kite. A  = (d1d2)/2A = [(50/7)(20/7)]/2A = 500/98A = 250/49 sq cm.

Area of the kite is 250/49 square cm. Therefore, the correct option is (b) 250/49.

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A sentence to explain how I know this is not a perpendicular bisector is that line AB was not divided into two equal halves.

A possible mistake which Aaron made in his construction is: C. he did not use a pair of compasses to draw his arcs.

In Mathematics and Geometry, a perpendicular bisector can be defined as a type of line that bisects or divides a line segment exactly into two (2) equal halves and forms an angle that has a magnitude of 90 degrees at the point of intersection.

This ultimately implies that, the steps taken by Aaron for the construction of the perpendicular bisector for line AB is incorrect because it was not divided into two equal halves, even though it formed an angle that has a magnitude of 90 degrees at the point of intersection.

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Answer:

-1/4 is the slope.

Step-by-step explanation:

To find the slope of the given points, we can use the formula:

y2-y1/x2-x1

So, in this case, subtract 5 and 7, and subtract 9 and 1.

5-7=-2

9-1=8

-2/8

Now, simplify.

-1/4 is the slope.

The common ratio between successive terms in the sequence is 1. 25

Common ratio is defined as the ratio of each term of a geometric sequence to the term before it.

It is also known as the constant factor between consecutive terms of a geometric sequence.

It is  the number multiplied or divided by at each interval.

Given the sequence;

1.5, 1.2, 0.96, 0.768,

The common ration is;

= 1. 5/ 1. 2

= 1. 25

Thus, the common ratio between successive terms in the sequence is 1. 25

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The equations of the lines are y = -7/2x + 20 and y = (2/7)(x - 4) + 6

The equation is given as

-2x+7y=4.

So, we have

y = 2/7x + 4/7

The given line has a slope of 2/7

Perpendicular lines have slopes that are negative reciprocals of each other.

The negative reciprocal of 2/7 is -7/2

So, we have

y - y1 = m(x - x1)

where (x1, y1) is the given point and m is the slope.

Substituting the values, we get:

y - 6 = (-7/2)(x - 4)

Simplifying this equation, we get:

y = -7/2x + 20

Parallel lines have the same slope.

So, the slope is 2/7

Using the point-slope form of the equation of a line again, we get:

y - 6 = (2/7)(x - 4)

Simplifying this equation, we get:

y = (2/7)(x - 4) + 6

Therefore, the equation of the line that is parallel is y = (2/7)(x - 4) + 6

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Answer: 54 games

Step-by-step explanation:

Draw games = Total games - (Win games + loss games)

Win games = 0.2 * 120

= 24 games

Loss games = 0.35 * 120

= 42 games

Draw games = 120 - (24 + 42)

= 120 - 66

= 54 games

Answer:

abc + bca + cab

abc(1+1+1)

3×18

54

Answer:

54

Step-by-step explanation:

a + b + c = 18

abc + bca + cab = ???

18 / 3 = 6

a = ? = 6

b = ? = 6

c = ? = 6

(6 + 6 + 6) + (6 + 6 + 6) + (6 + 6 + 6)

(18) + (18) + (18)

abc + bca + cab = 54

The range of the function is: \(\{y | y \ge -2 \}\)

The range of a function is the set of output values the function can take

The function is given as:

\(g(x) = |x - 12| -2\)

The above function is an absolute value function;

And it is represented as:

\(g(x) = a|x - h| + b\)

When a is positive, then the range of the function is:

\(y \ge b\)

By comparison, we have:

\(a =1\)

\(b = -2\)

Hence, the range of the function is: \(\{y | y \ge -2 \}\)

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Answer:

The HCF would be 8 (1,2,4,8).                                        

Answer:

(x - 3) (x + 12)

Step-by-step explanation:

2x² + 18x - 72

divide the equation by 2

x² + 9x - 36 -36

(x - 3) (x + 12) 12 -3 = 9

Answer:

z = 24

Step-by-step explanation:

35/30 = 7/6

28/7 = 4

6 x 4 = 24

28/24 = 7/6

Answer:

x = 24

Step-by-step explanation:

All you have to do is cross multiply like this..

30 x 28 = 35 x X

=

x = 30 x 28/35

30 x 28 = 840 / 35 =

24

So x is equal to 24

Hope this helps :)

The angle at which the man drifts downstream is approximately 39.17°. In this case, none of the given answer choices (60°, 30°, 40°, and 50°) are correct.

The man's drift downstream can be determined by considering the relative motion between his rowing speed and the river's flow. To find the angle, we can use trigonometry.

Let's assume that the man is rowing directly across the river, perpendicular to the direction of the river flow. The resultant velocity of the man's motion is the vector sum of his rowing speed and the river's flow. The magnitude of the resultant velocity can be found using the Pythagorean theorem.

The rowing speed of the man is 5 miles per hour, and the river's flow is 6 miles per hour. Using the Pythagorean theorem, we can calculate the magnitude of the resultant velocity:

resultant velocity = \(sqrt((rowing speed)^2 + (river flow)^2)\)
                 =\(sqrt((5^2) + (6^2))\)
                 = \(sqrt(25 + 36)\)
                 = \(sqrt(61)\)
                 ≈ 7.81 miles per hour

Now, to find the angle at which the man drifts downstream, we can use trigonometry. The tangent of the angle can be determined by dividing the magnitude of the river's flow by the magnitude of the resultant velocity:

\(tan(angle) = (river flow) / (resultant velocity)\)
          = 6 / 7.81
          ≈ 0.768

To find the angle, we take the arctan of 0.768:

angle ≈ arctan(0.768)
     ≈ 39.17°

Therefore, the angle at which the man drifts downstream is approximately 39.17°. In this case, none of the given answer choices (60°, 30°, 40°, and 50°) are correct.

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Therefore, the correct statement is d. A and B are independent events, as P(B|A) ≠ P(B).

To determine whether events A (the first coin selected is a quarter) and B (the second coin selected is a dime) are dependent or independent, we need to compare the conditional probability P(B|A) with the probability P(B).

Let's calculate these probabilities:

P(B|A) is the probability of selecting a dime given that the first coin selected is a quarter. Since Clara replaces the first coin back into the wallet before selecting the second coin, the probability of selecting a dime is still 3 out of the total 5 coins in the wallet:

P(B|A) = 3/5

P(B) is the probability of selecting a dime on the second draw without any information about the first coin selected. Again, since the wallet still contains 3 dimes out of 5 coins:

P(B) = 3/5

Comparing P(B|A) and P(B), we see that they are equal:

P(B|A) = P(B) = 3/5

According to the options given:

a. A and B are dependent events, as P(B|A) = P(B). - This is incorrect as P(B|A) = P(B) does not necessarily imply independence.

b. A and B are dependent events, as P(B|A) ≠ P(B). - This is also incorrect because P(B|A) = P(B) in this case.

c. A and B are independent events, as P(B|A) = P(B). - This is incorrect because P(B|A) = P(B) does not imply independence.

d. A and B are independent events, as P(B|A) ≠ P(B). - This is the correct statement because P(B|A) ≠ P(B).

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Answer: 3 meters

Step-by-step explanation:

Answer: 3 meters

Step-by-step explanation: A diving board being 3 cm would be too small so 3 meters is a better choice!

Probabilities cannot exceed 1, so the correct answer is a) 0.7.

The probability that either event A or event B occurs can be found by adding their individual probabilities.

Since event A occurs with a probability of 0.6 and event B does not occur with a probability of 0.6, we can add these probabilities together.

Therefore, the probability that either event A or event B occurs is 0.6 + 0.6 = 1.2.

However, probabilities cannot exceed 1, so the correct answer is a) 0.7. This means that there is a 70% chance that either event A or event B will occur.

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Answer: cost of fencing = 15 x 40 = 600 rupees

Step-by-step explanation:

To find the cost of fencing around the plot, we have to calculate the PERIMETER (p).

Area = 100 sq. m.

Side = √100 = 10 m

Perimeter = 4s = 4 x 10 = 40 m

x intercepts are 8 and -10 whereas the y intercept is -80 for equation  y=x² + 2x -80

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The given equation is

y=x² + 2x -80

y equal to x square plus two times of x minus eighty.

x² + 2x -80=0

It is in the form of quadratic equation

Let us factorize the above equation

x² + 10x -8x-80=0

x(x+10)-8(x+10)

(x-8)(x+10)=0

x=8 and x=-10

The x intercepts are 8 and -10 whereas the y intercept is -80.

Hence  x intercepts are 8 and -10 whereas the y intercept is -80 for equation  y=x² + 2x -80

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