What is the horizontal distance from the plane’s starting position to its finishing position???? I will mark brainliest

Answer:

C

Step-by-step explanation:

Answer:

1/26 or 1 out of 26

Step-by-step explanation:

only 2 red tens

52 cards in a deck

2/52=1/26

Answer:

B- the volleyball one

Step-by-step explanation:

A negative correlation is a relation where one variable goes up and another variable goes down.  One variable in this is the volley ball time.  Another is the amount of free time.  As the time spent on volley ball goes up, the free time goes down and vice versa.

I think it's option D, let me know if this helps

Answer:

12.87

Step-by-step explanation:

If the angle of depression is 25, then the angle of elevation is also 25.

You need to use tangent for this problem. (opposite and adjacent sides)

Use tan(25)= 6/x

Divide 6 by tan(25) = 12.87

Answer:

  (x, y) = (-5/3, 22/3)

Step-by-step explanation:

The graph and solution are shown below.

The solution is (-1 2/3, 7 1/3).

Answer:

x = 2

Step-by-step explanation:

The axis of symmetry of a parabola is a vertical line that divides the parabola into two congruent halves.

The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.

You already know the vertex, so the axis of symmetry is the line, x = 2.

This is because the equation to graph a vertical line is x = a, where a is the x-value you want the line to intersect.

The axis of symmetry for a parabola with the vertex at (2, -4) is the vertical line x = 2.

If the vertex of a parabola is at the point (2, -4), then the axis of symmetry is a vertical line that passes through the x-coordinate of the vertex. Thus, the equation of the axis of symmetry would be x = 2. This is because, for a parabola, the axis of symmetry always passes through the vertex and is perpendicular to the directrix.

Final answer:

The question involves analyzing the exponential growth of influenza cases and understanding historical flu pandemics, from the model of cases' augmentation in the hospital to societal impacts and public health responses, which falls within the field of Biology for High School students.

Explanation:

The discussion around the reported cases of flu, responses to outbreaks, and historical flu data primarily involves understanding trends in influenza incidences and epidemiology, which is a field within Biology. When analyzing how flu cases reported in a hospital grow, utilizing an exponential model suggests a mathematical approach to biological data. This is a common method in epidemiology for tracking the spread of diseases. Moreover, looking at past flu pandemics, the focus shifts to the interaction between the disease and society, and how responses such as quarantine and public health measures impact the containment and eventual decline of a pandemic. Historical data can provide insights into how a disease progresses through a population, the impact on the healthcare system, and how public health responses can mitigate these effects.

For example, during the 2007-2008 influenza season, the United States saw an abnormal increase in emergency department visits for influenza-like symptoms. In the context of the 2009-2010 flu pandemic, which resulted in a significant number of worldwide deaths, we can see the importance of quick response and effective public health strategies in areas like the United States. Data showing the number of cases and deaths over time highlight how the course of an outbreak or a pandemic can change based on these factors and natural disease progression.

Final Answer:

$75

Explanation:

To calculate your gross base pay, you only need to consider your hourly wage and the number of hours worked. Tips, FICA taxes, federal tax withholding, and state tax withholding are not included since they are either extra income (tips) or deductions (taxes) that do not affect gross base pay.
Your hourly wage is $7.50.
You worked for 10 hours.
To calculate the gross base pay, you multiply the hourly wage by the number of hours worked:
Gross Base Pay = Hourly Wage * Hours Worked
Gross Base Pay = $7.50 * 10
Gross Base Pay = $75.00

Your gross base pay for 10 hours of work is $75.00. This is before any tips and deductions are taken into account.

The gross base pay for 10 hours of work at $7.50 per hour is calculated by multiplying the hourly wage by the number of hours worked.

Gross base pay = Hourly wage × Number of hours worked

Gross base pay = $7.50 × 10 hours

Gross base pay = $75.00

Therefore, the gross base pay is $75.00.

To determine the gross base pay, one only needs to consider the hourly wage and the number of hours worked. The gross base pay does not take into account any deductions or tips; it is simply the total amount of money earned from the hourly wage before any deductions are made. In this case, the hourly wage is $7.50, and the individual worked for 10 hours. By multiplying these two values together, we obtain the gross base pay of $75.00. This is the amount of money the individual earned from their wages alone, prior to any taxes or other deductions being subtracted.

Answer:

$221

Step-by-step explanation:

First we need to find what is 35% of 340. To do this, we multiply 340 by 0.35. This gives us 119. Because this is the amount they are taking off, we need to subtract it from the initial price. 340-119=221. Therefore the price after being marked down is $221 :)

Answer:

American presidents are taller than the average American man

Step-by-step explanation:

We have to:

H0: m = 69.5

Ha: m> 69.5

Since the population standard deviation is unknown and the hypothesis test of the population mean, the t-test should be used. Here the sample size is large, so we can assume that the sample distribution of the sample mean It is normal.

sd = 2.77, x = 70.78 and n = 43

Then the test statistics will be:

t = (x - m) / (s / n ^ (1/2))

replacing

t = (70.78 - 69.5) / (2.77 / 43 ^ (1/2))

t = 3.03

Here the test is correct and the degree of freedom of the test is df = n-1 = 43-1 = 42.

Critical approach:

So

alpha = 0.05, the critical value of the test is 1,682.

Rejection region:

If t> 1,682, reject the null hypothesis.

Since the value of the test statistics is greater than the critical value, we reject the null hypothesis.

P-value approach:

The p-value using the Excel function "= TDIST (3,030,42,1)" is:

p value = 0.0021

Since the p-value is less than α = 0.05, we reject the null hypothesis.

Which means that American presidents are taller than the average American man.

Answer:

American presidents are taller than the average American man

Step-by-step explanation:

Given Data :  

Test statistics will be:

t = (x - m) / (s / n ^ (1/2))

t = (70.78 - 69.5) / (2.77 / 43 ^ (1/2))  

t = 3.03

df = n-1 = 43-1 = 42.

Thus the American presidents are taller than the average American man

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Answer:

The natural, hexagon geometry of a snowflake

Step-by-step explanation:

Answer:

.

Step-by-step explanation:

Answer:

2(x^2+9)

Step-by-step explanation:

2x^2 +18

Factor out a 2

2(x^2+9)

Answer:

7

Step-by-step explanation:

Let's start by converting this to standard form.

[tex]x^2+10x+y^2-4y=20\\(x^2+10x+25)-25+(y^2-4y+4)-4=20\\(x+5)^2+(y-2)^2=49[/tex]

The center of the circle is at (-5,2), and the radius is [tex]\sqrt{49}=7[/tex] units. Hope this helps!

The radius of the circle is r = 7 units

A circle is a closed figure in which the set of all the points in the plane is equidistant from a given point called “center”. Every line that passes through the circle forms the line of reflection symmetry. Also, the circle has rotational symmetry around the center for every angle

The circumference of circle = 2πr

The area of the circle = πr²

where r is the radius of the circle

The standard form of a circle is

( x - h )² + ( y - k )² = r²,

where r is the radius of the circle and (h,k) is the center of the circle.

The equation of circle is ( x - h )² + ( y - k )² = r²

For a unit circle , the radius r = 1

x² + y² = r² be equation (1)

Now , for a unit circle , the terminal side of angle θ is ( cos θ , sin θ )

Given data ,

Let the radius of the circle be r

Now , the equation of circle is

x² + y² + 10x - 4y - 20 = 0

And , standard form of a circle is

( x - h )² + ( y - k )² = r²

We need to complete the square for both the x and y terms in the given equation:

x² + y² + 10x - 4y - 20 = 0

( x² + 10x + 25 ) + ( y² - 4y + 4 ) - 49 = 0

On Adding and subtracting constants to complete the square

( x + 5 )² + ( y - 2 )² = 49

Now we can see that the equation is in standard form.

The center of the circle is at (-5, 2), and the radius is the square root of 49, which is 7

Hence , the radius is 7 units

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Answer:

25%

Step-by-step explanation:

There are 2 parrots out of 8 animals. Probability is 2/8 or 1/4 or 25%

Hey there!

We see that we have 35 miles, and each one is 5,280 feet. Given this, we multiply them together and we see that we have 184800 feet per hour. But, we need feet per second. To do this, we can look at this.

60 seconds=1 minute

60 minutes= one hour

If we use this, we can see that there are 3600 seconds in one hour. We now divide our feet per hour divided by 3600 to get feet per second.

184800/3600= 51 1/3

Therefore, our answer is D) 51.

I hope this helps!

The speed of the car in feet per second should be option D. 51.

We know that

60 seconds=1 minute

60 minutes= one hour

And, in one hour there is 3600 seconds

So,

[tex]= (5280 \times 35) \div 3600[/tex]

= 51

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Final answer:

The sum of the first five terms of the geometric sequence with a1 = 3 and r = 1/3 is 121/81.

Explanation:

The sum of the first five terms of a geometric sequence where a1 = 3 and r= 1/3 is found using the formula for the sum of a geometric series Sn = a1 * (1 - rn) / (1 - r), where a1 is the first term, r is the common ratio, and n is the number of terms. Plugging our values into the formula, we get:

S5 = 3 * (1 - (1/3)5) / (1 - 1/3)

First, we calculate (1/3)5, which is 1/243. Then we can rewrite the equation:

S5 = 3 * (1 - 1/243) / (2/3)

Subtracting inside the brackets gives us 242/243. The division by 2/3 is equivalent to multiplying by 3/2, resulting in:

S5 = 3 * (242/243) * (3/2) = 9/2 * 242/243

Finally, we multiply the fractions:

S5 = 726/486

Reducing this to simplest terms gives:

S5 = 121/81

Final answer:

To find the sum of the first five terms of a geometric sequence with a = 3 and r = 1/3, use the formula for the sum of a geometric series to get 242/81.

Explanation:

The sum of the first five terms of a geometric sequence can be calculated using the formula for the sum of a geometric series.

Given a1 = 3 and r = 1/3, the sum of the first five terms is 3(1 - (1/3)⁵) / (1 - 1/3).

Plugging in the values, the sum is (3 * 242) / 243 = 726 / 243 = 242 / 81.

Answer:

1, 3

Step-by-step explanation:

2x^2 - 8x + 6 = 0 -->

x^2 - 4x + 3 = 0

(x-1)(x-3) = 0

x = 1, 3

OR

2x^2 - 8x + 6 = 0 -->

x^2 - 4x + 3 = 0 -->

(-(-4) +-sqrt((-4*-4) -4(1 * 3)))/2 -->

(4 +-sqrt(4))/2 -->

(4 +/-2)/2 -->

6/2 or 2/2 -->

3, 1

Final answer:

The solutions to the quadratic equation 2x^2 - 8x + 6 = 0, found using the quadratic formula, are x = 1 and x = 3.

Explanation:

To find the solutions to the quadratic equation 2x^2 - 8x + 6 = 0 using the quadratic formula, we first identify the coefficients: a = 2, b = -8, and c = 6. Then, we substitute these values into the quadratic formula 'x = (-b ± √(b^2 - 4ac)) / (2a)'. The solutions can be found by carrying out the arithmetic operations.

Plugging the values into the formula gives us:

x = (8 ± √((-8)^2 - 4*2*6)) / (4)

x = (8 ± √(64 - 48)) / (4)

x = (8 ± √(16)) / (4)

x = (8 ± 4) / 4

Therefore, we have two solutions:

x = (8 + 4) / 4 = 12 / 4 = 3

x = (8 - 4) / 4 = 4 / 4 = 1

So, the solutions to the equation 2x^2 - 8x + 6 = 0 are x = 1 and x = 3.

Answer:

C) 50%

Step-by-step explanation:

The probability the student earns a B on the second exam, given that a student earns a B on the first exam is 0.5 or 50%.

Probability of an event is the ratio of number of favorable outcome to the total number of outcome of that event.

The below table shows the number of students in a class that received letter grades on 2 recent exams.

The first exam is shown across the top and is summarized as A1, B1, and C1, and the second exam is in the first column, A2, B2, and C2.  In the given table, the student get B in first exam is,

[tex]X=(7+10+3)\\X=20[/tex]

The student get B in second exam is which got B in first exam are 10.

[tex]Y=10[/tex]

The total number of students are,

[tex]2+2+1+7+10+3+1+3+1=30[/tex]

The probability the student earns a B on the second exam, given that a student earns a B on the first exam, is,

[tex]P(Y|X)=\dfrac{P(Y\cap X)}{P(X)}\\P(Y|X)=\dfrac{\dfrac{10}{30}}{\dfrac{20}{30}}\\P(Y|X)=0.5[/tex]

Thus, the probability the student earns a B on the second exam, given that a student earns a B on the first exam, is 0.5 or 50%.

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Answer:

Step-by-step explanation:

let the numbers be x and y

x-y>x

or -y>0

or y<0

and x+y>21

or if we want to solve further then

y<0

and x+y>21

or y>21-x

or 21-x<y <0

so 21-x<0

or 21<x

or x>21

Final answer:

The system of inequalities for the given situation is x - y > x and x + y > 21, where x represents the first number and y represents the second number.

Explanation:

System of Inequalities:

x - y > x

x + y > 21

Here, x represents the first number and y represents the second number.

Answer:

Equal Areas

Step-by-step explanation:

Area of a Rectangle =Base X Height

Area of a Parallelogram =Base X Height

If the rectangle and a parallelogram have the same base and the same height, then their areas are equal.

Take for an example,

A rectangle with a base of 5 cm and a height of 6cm

For a parallelogram with same base and height

Final answer:

A rectangle and a parallelogram with the same base and height have equal areas as both can be calculated using the formula Base x Height = Area, disregarding the shape's orientation.

Explanation:

A rectangle and a parallelogram with the same base and height will have the same area. This is because the area of both shapes can be calculated by multiplying their base by their height. For the rectangle, this is straightforward as the height is perpendicular to the base. In the case of a parallelogram, the height is also considered perpendicular to the base, but it might be oriented at an angle relative to the base's length. Despite these differences in shape orientation, the calculation Base x Height = Area still applies, resulting in equal areas if the base and height measurements are the same.

Step-by-step explanation:

cot(x/2) = 1

Take inverse of both sides.

tan(x/2) = 1

Solve for x/2.

x/2 = π/4 + kπ

Solve for x.

x = π/2 + 2kπ

Possible values for x are π/2, 5π/2, 9π/2, etc.

Answer:

it's 3pi

Step-by-step explanation:

Answer:

z= 18.075222

Step-by-step explanation:

Z=35.0780212-17.0027992

so z= 18.075222

Answer:

18.075222

Step-by-step explanation:

17.0027992+z=35.0780212

leave z so that it's by itself by subtracting.

z=35.0780212-17.0027992

then solve

z=18.075222

The surface area of a square pyramid is the sum of the area of the base and the area of the four side squares. The surface area of the square base pyramid is 525 in².

The surface area of a square pyramid is the sum of the area of the base and the area of the four side squares. It is given by the formula,

Surface Area of the Square pyramid = a² + 2al

where a is the length of the side of the base, and l is the length of the slant height of the pyramid.

The length of the base of the square pyramid is 15 inches, while the length of the slant height of the pyramid is 10 inches. Therefore, the surface area of the pyramid is,

[tex]\text{Surface Area of the Square pyramid} = a^2 + 2al[/tex]

                                                         [tex]\rm = (15)^2 + (2 \times 15 \times 10)\\\\= 225 + 300\\\\= 525\ in^2[/tex]

Hence, the surface area of the square base pyramid is 525 in².

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Answer:

x^2 + y^2 = 25 (third one)

Step-by-step explanation:

formula is x^2 + y^2 = r^2 (r = the radius)

the radius is 5 so r^2 is 25.

The equation of the circle is x² + y² = 5²,  is x²+ y² = 25.

To determine the equation of the circle with its center at (-0, 0) and passing through the point (-3, -4),  use the standard equation of a circle:

(x - h)² + (y - k)² = r²

Where (h, k) represents the center coordinates of the circle and r represents the radius.

In this case, the center of the circle is (-0, 0), so the equation becomes:

(x - 0)² + (y - 0)² = r²

Simplifying:

x² + y² = r²

to find the radius (r). Since the circle passes through the point (-3, -4), we can use the distance formula to find the radius:

r = √((x2 - x1)²+ (y2 - y1)²)

r = √((-3 - 0)² + (-4 - 0)²)

r = √(9 + 16)

r = √25

r = 5

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the answer is C                                                      

dont know if its to late to answer but here

Answer:

Step-by-step explanation:

Answer:

B,C,E

Step-by-step explanation:

Answer:

a + b + d - 1 = c

Step-by-step explanation:

a + b + d - 1 = c

10 + 6 + 3 - 1 = 18

Answer:

$30

Step-by-step explanation:

50% of $40 would be half of 40 so 50%=20

Half of 50% =25% so half $20 is $10

This means that the discount price is $10 so if we take away the original price ($40) from the discount ($10) that leaves us with the new sale price of $30!

Hope this helps!

Answer:

$30

Step-by-step explanation:

If an item is 25% off of it's original price, off  it is 75% of it's original price.

(100-25=75)

So, what we need to do is find 75% of 40.

0.75*40=30

The sales price is $30.

Answer:

A. 4.1 yards

Step-by-step explanation:

Multiply $10.25 by 2 because there is 2 fabrics. You would get 20.5 and divide 20.5 from 85.00 and the answer is 4.1.

He buys 5.6 yards of wool, the correct option is B.

In algebra, an equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value.

A tailor pays $10.25 per yard for wool and pays $5.75 per yard for cotton.

He bought 4.8 yards of cotton and spent a total of $85.00 on the two types of fabric.

Let x be the yards of wool did he buy.

The yards of wool did he buy is given by;

[tex]\rm 10.25x + 5.75 \times 4.8 = 85\\\\10.25 x=85-27.6\\\\10.25 x=57.4\\\\x=\dfrac{57.4}{10.25}\\\\x=5.6[/tex]

Hence, he buys 5.6 yards of wool, the correct option is B.

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Answer: 30

Step-by-step explanation:

I’m big smart

Answer:

30

Step-by-step explanation:

24^2 + 18^2 = c^2

(576 + 324 = c)

900 = c^2

[tex]\sqrt{900}[/tex] = 30

c = 30