Can someone pls tell me

Answer: The package reaches the ground in

4.67 s

and hits the ground with a speed of

33.8 m/s

Answer:

3m/s or option 1

Step-by-step explanation:

Given,

Height(h)=90m

time(t)=30s

Speed(v)=?

Now,

Speed(v)=distance/time

v=height/time(Since,height here is the distance covered by the balloon)

v=90/30

v=3

Unit of speed is m/s

Therefore,v=3m/s

By the way,this is a question related to physics

Answer:

[tex]-\frac{26}{40}[/tex]

[tex]-\frac{9}{20}[/tex]

[tex]\frac{12}{25}[/tex]

Step-by-step explanation:

Divide each individually.

[tex]-\frac{9}{20}=-0.45[/tex]

[tex]\frac{12}{25}= 0.48[/tex]

[tex]-\frac{26}{40}=-0.65[/tex]

Since you have to order them from least to greatest, begin by the negative number that is farthest from 0. In this case, -0.65, the next negative number would be -0.45 and finally we only have one positive number 0.48

Answer:

B

Step-by-step explanation:

I think.

Answer:

Option B.

Step-by-step explanation:

Note: Given roots are not in proper format.

Consider the polynomial function f(x) has roots 0, 3, and [tex]2+\sqrt{15}[/tex].

According to irrational root theorem if [tex]a+\sqrt{b}[/tex] is root of a polynomial P(x), then [tex]a-\sqrt{b}[/tex] is also a root of polynomial P(x).

Since [tex]2+\sqrt{15}[/tex] is an irrational root of the function f(x). By irrational root theorem [tex]2-\sqrt{15}[/tex] is also a root of function f(x).

Therefore, the correct option is B.

Answer:

B)

Step-by-step explanation:

Question:

Which of the equivalent expressions for P(x) reveals the profit when the price is

zero without changing the form of the expression? P(x) = -3x² + 432x - 1680

a) P(x) = -3(x - 4)(x - 140)

b) P(x) = -3(x - 72)² + 13872

Find the profit when the price is zero

Answer:

- P(x) = -3(x - 140)(x - 4).

- P(0) = -1680

Step-by-step explanation:

Given

P(x) = -3x² + 432x - 1680

Required

- Find equivalent of P(x)

- Find P(x) when x = 0

To find the equivalent of P(x), we simply factorize P(x) = -3x² + 432x - 1680.

This is done as follows

P(x) = -3x² + 432x - 1680

P(x) = -3x² + 12x + 420x - 1680

P(x) = -3x(x - 4) + 420(x - 4)

P(x) = (-3x + 420)(x - 4)

Further expand -3x + 420

P(x) = -3(x - 140)(x - 4).

Hence, the equivalent of

P(x) = -3x² + 432x - 1680

without changing its form is

P(x) = -3(x - 140)(x - 4).

When price is 0, then x = 0.

Substitute 0 for P(x) in P(x) = -3(x - 140)(x - 4).

P(0) = -3(0 - 140)(0 - 4).

P(0) = -3(-140)(-4)

P(0) = -1680

Hence, the profit when price is 0 is -1680

Answer:

Its either C or D

good luck

have a good day - be safe - and healthy too

Answer:

B

Step-by-step explanation:

Answer:

i don't understand what the question is please explain what the question is.

Answer:

Try to use your calculator and just substitute values

Step-by-step explanation:

The height of the wheel is 63 centimeters that is the diameter of the circular wheel, and the distance traveled by the wheel when it goes all the way around one time is 198 centimeters that is the perimeter of the circular wheel.

Given :

a) The height of the wheel is 63 centimeters that is the diameter of the circular wheel.

b) The distance traveled by the wheel when it goes all the way around one time is 198 centimeters that is the perimeter of the circular wheel.

c) The distance traveled by the wheel when it goes all the way around one time is the perimeter  of the circle. To estimate the value of t, divide the distance  traveled by the wheel when it goes all the way around by its height.

For more information, refer to the link given below:

https://brainly.com/question/25277954

diameter

circumference

divide

one-half of its height

Answer:

easy peasy,

the 'n' th term of any arithmetic sequence can be found with the following formula

=> a + ( n-1) d, [where 'a' if the first term of the sequence, 'n' the number of term we need to find, and 'd' being the common difference between each two consecutive term of the sequence)

all in this case would be,

a = 0

n = 100

d = +5

hence the 100th term would be,

=>  0 + (100 - 1) 5

=> 99 x 5

=> 495

Answer:

m = 6

Step-by-step explanation:

3.4m = 20.4

3.4m/3.4 = 20.4/3.4

m = 6

Answer: 55 cm

Step-by-step explanation:

Hi, to answer this question, first, we have to convert the meters into centimeters.

Since: 1 m = 100 cm

We have to multiply the length of the first frame by 100 to express the length in cm.

9/10 m x 100cm/m = 90 cm

Finally, since she needs 35 centimeters less wood for a second frame, we have to subtract 35 cm to the amount of woof needed for the first frame.

90-35 = 55 centimeters.

Feel free to ask for more if needed or if you did not understand something.  

Answer:

9x -6

Step-by-step explanation:

f(x)= 2x+3 and g(x)= 7x-9

f(x) + g(x) = 2x+3 + 7x-9

Combine like terms

               = 2x+7x   +3-9

               =9x -6

Answer:

9x-6

Step-by-step explanation:

Answer:

S (3,2) T (2,4) U(1,1)

Step-by-step explanation:

You flip it over the vertical line. The Y coordinate stays the same but the X changes so it's the opposite.

Answer:

f(x) = x^2 has one x-intercept and g(x) = x^2 -7 has two x-intercepts. For f(x) = x^2 to equal g(x) = x^2 -7 you must traslate ​f(x) = x^2 down seven units.

Answer: 24

Step-by-step explanation:

Area = 1/2 x base x height

Answer:

24cm²

Step-by-step explanation:

So you do 8×4=48 (a square) then half it (triangle) which becomes 24cm²

Well, a simple way to do it is to do base × height then half it

Answer:

A≈3170.96m²

Step-by-step explanation:

Answer:

x = 18

Step-by-step explanation:

3x + 20 = 5x - 16

Subtract 20 from both sides

3x + 20 - 20 = 5x - 16 -20

3x = 5x -36   {Now subtract 5x from both sides}

3x - 5x = 5x - 36 +5x

-2x = -36    {Divide both sides by (-2)}

-2x/-2 = -36/-2

x = 18

Step-by-step explanation:

(3x+20)=(5x-16)

combination of like terms

3x-5x= -16-20

-2x= -36

x= -36/-2

x=18

Answer: 20 miles

Step-by-step explanation: if he runs 10 miles in 3 hours then double the amount of 10 which is 20 because 3 multiplied by 2 equals 6

Answer:

They help to visualize the problem

Step-by-step explanation:

I'm going to assume you pasted the question and answers and the fractions for the slope didn't come up.

Solve for the slope using the given values.

Slope formula: y2-y1/x2-x1

= 8-5/5-0

= 3/5

Point slope form: y - y1 = m(x - x1)

Using the point (5, 8) and the slope (3/5), it should look like:

y - 8 = 3/5(x - 5)

Best of Luck!

Answer:

-2

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

C) (12 + a) − (7a + 12) = 90

Answer:

A,D, First and Last

Step-by-step explanation:

Answer:

All boxes but the top right box are linear.

Answer:

Mean Absolute Deviation (MAD): 0.75

Step-by-step explanation:

Total numbers: 8

Mean: 2

Mean absolute deviation: 0.75

Answer: A is 40

B is 92.5

C is 27.5

Step-by-step explanation:

Answer:

The sum of the inverses of two rational numbers is 5 by 6, and the difference of the inverses of the numbers is 1 by 6. Calculate the sum and product of numbers.

Sum = a + b = 5

Product = a ₓ b = 6

Step-by-step explanation:

[tex]\frac{1}{a} +\frac{1}{b} =\frac{5}{6}[/tex]

[tex]\frac{1}{a} -\frac{1}{b} =\frac{1}{6}[/tex]

Add both equations together

[tex]\frac{1}{a} +\frac{1}{a} +\frac{1}{b} -\frac{a}{b} =\frac{5}{6} +\frac{1}{6}[/tex]

2 / a = 6/6

2 / a = 1

a = 2

we replace in any relation a

1 / 2 + 1 / b = 5 / 6

3b + 6 = 5b

5b - 3b = 6

2b = 6

b = 3

Sum = a + b = 2 + 3 = 5

Product = a ₓ b = 2 ₓ 3 = 6

Answer:

The median is the middle number.

Step-by-step explanation:

You have to order the numbers from least to greatest, or greatest to least, and choose the number in the middle. Since there is an even number of values, you have to take the mean of the two middle numbers. I hope this helps.