Please answer this correctly

Please Answer This Correctly

Answers

Answer 1

Answer:

1/7

Step-by-step explanation:

The probability of picking an even number is 3/7.

Without putting the first card back, the probability of picking an even number again is 2/6.

[tex]3/7 \times 2/6[/tex]

[tex]= 6/42[/tex]

[tex]=1/7[/tex]


Related Questions

By about how much will f (x comma y comma z )equalsln StartRoot x squared plus y squared plus z squared EndRoot change if the point Upper P (x comma y comma z )moves from Upper P 0 (6 comma 4 comma 12 )a distance of dsequals0.1 unit in the direction of 3 Bold i plus 6 Bold j minus 2 Bold k​?

Answers

Answer:

pls format

Step-by-step explanation:

19.25 tons equal Lbs

Answers

Answer:

38500lbs

Step-by-step explanation:

2000 lbs is one tone

if we have 19.25 tons, we need to multiply 19.25x2000

The answer is 38500 lb

Answer:

38,500 pounds

Step-by-step explanation:

Every ton is 2,000 pounds.

We want to find out how many pounds are in 19.25 tons.

Set up a proportion.

pounds/tons=pounds/tons

2,000 pounds/ 1 ton= x pounds / 19.25 tons

2,000/1= x  /19.25

x is being divided by 19.25. The inverse of division is multiplication. Multiply both sides by 19.25.

19.25*2,000/1= x/19.25 *19.25

19.25*2000=x

38,500=x

There are 38,500 pounds in 19.25 tons.

Write 0000 using the am/pm clock.​

Answers

Answer:

12am

Step-by-step explanation:

Answer:

12:00 am or midnight

Step-by-step explanation:

00 00 hrs in 12-hours clock is 12:00 am or 12:00 o'clock midnight.

Manuel ordered pizza for a party. A vegetable pizza has 6 slices per pie. A cheese pizza has 8 slices per pie. Manuel ordered four times as many cheese pizzas as vegetable pizzas, for a total of 152 slices. How many pizzas did Manuel order? 15 20 30 40

Answers

Answer:

20 Pizza

Step-by-step explanation:

Let the number of vegetable pizza be x

Given that

Manuel ordered four times as many cheese pizzas as vegetable pizzas

the number of cheese pizza = 4x

1. no of slice in 1 vegetable pizza pie = 6

no of slice in x vegetable pizza pie = 6x

2. no of slice in 1 cheese pizza pie = 8

no of slice in 4x cheese pizza pie = 8*4x = 32x

Total no of slice for x vegetable pizza and 4x cheese pizza = 6x+32x = 38x

Given that

total no. of 152 slices, therefore

38x = 152

=> x = 152/38 = 4

Thus, no. of vegetable pizza ordered = 4

no. of cheese pizza ordered = 4x = 4*$ = 16

Total no of pizza ordered = 16+4 = 20 (answer)

Answer:

B

Step-by-step explanation:

Find the area of the figure. Round to the nearest tenth if necessary. Use 3.14 for pi . 47.3 units2 41.1 units2 57.1 units2 66.2 units2

Answers

Answer:

41.1 units

Step-by-step explanation:

find the area of the triangle

1/2BH

1/2*8*4

4*4=16

find the area half of the circle

pi*R^2

3.14*4^2

3.14*16

50.24/2

^because it is a half circle you divide by 2

25.12+16=41.1

REFERENCE: LESSO
Estimate the difference of 645 and 273.​

Answers

Answer:

350

Step-by-step explanation:

In this situation it seems like we should be rounding to 50 because the numbers work well that way, and it is nice number commonly unsed in these situaltions. So, 645 rounded to the nearentest 50 would be 650. And 273 rounded to the nerent 50 would be 300. Now if we subtract 300 from 650, (650-300) we will get 350.

I travelled at 60km/h and took 2 hours for a certain journey. How long would it have taken me if I had travelled at 50km/h?​

Answers

Answer:

2 hours and 24 minutes

Step-by-step explanation:

2 hours at 60 km/h means you have travelled 2*60=120 km

120 km at 50 km/h takes 120/50 = 2.4 hours

2.4 hours is 2 hours and 0.4*60 = 24 minutes.

What is the product of 6 and one-half and 9 and one-fourth?

Answers

Answer:

60.125 or 60.13 when rounded to the nearest tenths.

Step-by-step explanation:

6 and one-half into a mixed number is 13/2

9 and one-forth into a mixed number is 37/4

13 x 37 = 481 divided by 8

2      4

When you divide 481 by 8 = 60.125 or 60.13 when rounded to the nearest tenths

I really hope this helps.

Which is the graph of the equation v- 1 = (-3)?

Answers

Step-by-step explanation:

The equation is v-1 = -3

V-1 = -3               add one in both sides v -1 +1 = -3+1 v = -2

Here is the graph :

Jessica said that 3:7 pieces of fruit in the bag were apples and the rest were oranges. What is the ratio of oranges to apples in the bag​

Answers

Answer: 7:3

Step-by-step explanation:

hope this helps

Answer:

3:7

Step-by-step explanation:

i took the test hope this helps ‍

In a right triangle, one leg is 7 feet long. The other leg is 24 feet long. What
is the length of the hypotenuse?

Answers

Answer:

25

Step-by-step explanation:

C^2=A^2+B^2

C^2=24^2 + 7^2

C^2=576+49

C^2=625

C=√625

c=25

Answer: hypotenuse = 25

Explanation:
Using Pythagorean’s theorem to find hypotenuse

A^2 + B^2 = C^2
7^2 + 24^2 = C^2
49 + 576 = C^2
625 = C^2
25 = C

Jenna worked 13 hours more than Jose last month. If Jenna worked 9 hours for every 4 hours that Jose worked, how many hours did they each work?

Answers

did they work every day out the month or ?

What type of relationship has his teacher discovered?

Answers

bzbzjsjhdd sjsu’s nd kiddie dk

Answer: positive correlation likely causal

Step-by-step explanation:

What is the value of d in the equation?
1 3/4d=14
4
8
18 2/3
24 1/2​

Answers

Answer:

its 13/56.

Step-by-step explanation:

13/4d= 14

or , 13 = 14×4d

or, 13=56 d

or, d = 13/56.

Answer:

The answer is D

Step-by-step explanation:

1 3/4d= 14

7/4d = 14

d = 8

Hope I helped pls tell me if i'm wrong :D

It is believed that 11% of all Americans are left-handed. In a random sample of 100 students from a particular college with 10123 students, 14 were left-handed. Find a 98% confidence interval for the percentage of all students at this particular college who are left-handed.

Answers

Answer:

Step-by-step explanation:

We can calculate this confidence interval using the population proportion calculation. To do this we must find p' and q'

Where p' = 14/100= 0.14 (no of left handed sample promotion)

q' = 1-p' = 1-0.14= 0.86

Since the requested confidence level is CL = 0.98, then α = 1 – CL = 1 – 0.98 = 0.02/2= 0.01, z (0.01) = 2.326

Using p' - z alpha √(p'q'/n) for the lower interval - 0.14-2.326√(0.14*0.86/100)

= -2.186√0.00325

= -2.186*0.057

= 12.46%

Using p' + z alpha √(p'q'/n)

0.14+2.326√(0.14*0.86/100)

= 0.466*0.057

= 26.5%

Thus we estimate with 98% confidence that between 12% and 27% of all Americans are left handed.

Is the following statement true or false? Integration and differentiation are inverse processes. Group of answer choices

Answers

True.

Integration is also called anti-differentiation, mathematically its an inverse function of differentiation.

For example, one of the first equalities learned is:

[tex]f(x)=g'(x)\Longleftrightarrow\int g'(x)dx=f(x)[/tex].

Which explains that if you differentiate a function (get its derivative) and then integrate the derivative you will obtain the original function.

Hope this helps.

Need some help on this whole unit to be honest but any help with this one ?

Answers

answer:

i believe they all are identical

Step-by-step explanation:

i used a website called desmos graphing calculator and typed each one out and this is what it looked like

the principal p is borrowed at a simple interest rate r for a period of time t. find the simple interest owed for the use of the money

Answers

Answer:

The simple interest is Prt

The simple interest on the money will be $24300

Step-by-step explanation:

The complete question is shown below

The principal P is borrowed at simple interest rate r for a period of time t. Find the simple interest owed for the use of the money. Assume 360 days in a year. P=$18,000, r=7.5%, t=18 months

Principal = P

Interest rate = r

Time period = t

simple interest owed for the use of the money will be gotten as below

The percentage of the principal that will be owed per unit period is the rate r

The total rate that it will be involved in this time period will be the product of the rate and the time = r x t = rt

Finally, to know the amount of interest that this rate will result to, we multiply the total rate in the time period by the original principal borrowed

Total interest = Prt

For a simple interest on the principal P = $18,000,

the interest rate = 7.5% = 7.5/100 = 0.075,

time period = 18 months

we assume the interested is calculated on a monthly basis

Simple interest = Prt

==> 18000 x 0.075 x 18 = $24300

Determine the location and value of the absolute extreme values of f on the given​ interval, if they exist. f (x )equals2 sine squared x on [0 comma pi ]Select the correct choice below​ and, if​ necessary, fill in the answer boxes to complete your choice. ​(Type an exact​ answer, using pi as needed. Use a comma to separate answers as​ needed.) A. The absolute maximum is nothing at xequals nothing​, but there is no absolute minimum. B. The absolute minimum is nothing at xequals nothing and the absolute maximum is nothing at xequals nothing. C. The absolute minimum is nothing at xequals nothing​, but there is no absolute maximum. D. There are no absolute extreme values for f (x )on [0 comma pi ].

Answers

Answer:

A. The absolute maximum is nothing at x equals nothing, but there is no absolute minimum.

Step-by-step explanation:

The equation is :

f(x) = 2x2 + x2

The function has not absolute maximum value and it has absolute minimum value 0. The both function has maximum value as nothing.

Write rational numbers between 1 and 2.​

Answers

Answer:

there are infinite numbers some are ,1.1, 1.2, 1.3, 1.4 , 1.5 ,1.6, etc..

Which could be the side lengths of a triangle? (A) 2,2,4 (B) 3,4,7 (C) 4,5,8 (D) 5,5,10 (E) 7,3,10 PLEASE HELP

Answers

Answer:

(C) 4,5,8

Step-by-step explanation:

Since 4+5 = 9 and 9 is bigger than 8, that means that the side 8 can fit into the triangle without there being an open space.

Answer:

Option C { 4,5,8 }

Step-by-step explanation:

By the Triangle Inequality Theorem, the length of two sides together must be greater than the length of the remaining side. Respectively their difference must be less than the length of the another side.

* I like to memorize this concept by thinking about a door. The more you open the door, the greater the distance between the door and the wall - as they are proportional. That is how we concluded this theorem.

______

{ 2, 2, 4 } is our first option. The difference of 4 and 2 is equal to the remaining length, 2. { 3, 4, 7 } is not applicable as well, considering that the addition of 3 and 4 is equivalent to the length of the 3rd side, 7. However, the lengths { 4, 5,8 } have no such " errors. " It could be the side lengths of a possible triangle.

______

Solution = { 4,5,8 }

Hope this was hard enough not to be illogical or simple. 3x=66 Solve for x

Answers

Answer: x = 22

Step-by-step explanation: To get x by itself, we divide both sides by 2 and we have x = 22 which is the solution to this equation.

Answer:x=22

Step-by-step explanation:divide 3 by both sides makes x=22

25e + -6e_7 =
Whats the answer

Answers

Answer:

19e-7

Step-by-step explanation:

I am not sure if you meant to put -7 but I will assume that is it.

Remember combine like terms 25e substract -6e you get 19e and -7 stays the same.

For a large sporting event the broadcasters sold 51 ad slots for a total revenue of ​$136 million. What was the mean price per ad​ slot?

Answers

Answer:

  $2.67 million

Step-by-step explanation:

Average price per slot is found by dividing total price by total slots:

  ($136 million)/(51 slots) ≈ $2.67 million/slot

The mean price per ad slot was $2.67 million.

3) BRAINLIEST & 10+ POINTS!!! If a 4 foot blade of a propeller completes 22 revolutions per second, find the angular speed of the blade in radians per second. ~Round your answer to the nearest hundredth. Angular speed = _______________ radians/second

Answers

Answer:

44π rads per seconds

Step-by-step explanation:

Already the speed of the 4 foot blade is given as 22 revolutions per sec.

What we have to do is just to convert the 22 revolutions per second to radians.

1 rev = 360°

360° = 2π

So the speed is actually equal to

22 *360 = 7920° per second

Or

22*2π = 44π rad per seconds

What ever way the answers are both same.

Simplify.
35 - (42 + 5)

Answers

━━━━━━━☆☆━━━━━━━

▹ Answer

-12

▹ Step-by-Step Explanation

35 - (42 + 5)

35 - 47 = -12

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

Answer:

Hello!

~~~~~~~~~~~~~~~~~~~~~~~~~

35 - (42 + 5) =

-12

~~~~~~~~~~~~~~~~~~~~~~~~~

Step-by-step explanation: Simplify the expression.

Hope this helped you! Brainliest would be nice. ❤︎

The length of a rectangle is 5m less than three times the width, and the area of the rectangle is 50m^(2). Find the dimensions of the rectangle

Answers

Answer:

The width is 5m and the length is 10m.

Step-by-step explanation:

Rectangle:

Has two dimensions: Width(w) and length(l).

It's area is:

[tex]A = w*l[/tex]

The length of a rectangle is 5m less than three times the width

This means that [tex]l = 3w - 5[/tex]

The area of the rectangle is 50m^(2)

This means that [tex]A = 50[/tex]. So

[tex]A = w*l[/tex]

[tex]50 = w*(3w - 5)[/tex]

[tex]3w^{2} - 5w - 50 = 0[/tex]

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

[tex]ax^{2} + bx + c, a\neq0[/tex].

This polynomial has roots [tex]x_{1}, x_{2}[/tex] such that [tex]ax^{2} + bx + c = a(x - x_{1})*(x - x_{2})[/tex], given by the following formulas:

[tex]x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}[/tex]

[tex]x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}[/tex]

[tex]\bigtriangleup = b^{2} - 4ac[/tex]

In this question:

[tex]3w^{2} - 5w - 50 = 0[/tex]

So

[tex]a = 3, b = -5, c = -50[/tex]

[tex]\bigtriangleup = (-5)^{2} - 4*3*(-50) = 625[/tex]

[tex]w_{1} = \frac{-(-5) + \sqrt{625}}{2*3} = 5[/tex]

[tex]w_{2} = \frac{-(-5) - \sqrt{625}}{2*3} = -3.33[/tex]

Dimension must be positive result, so

The width is 5m(in meters because the area is in square meters).

Length:

[tex]l = 3w - 5 = 3*5 - 5 = 10[/tex]

The length is 10 meters

In triangle ΔABC, ∠C is a right angle and CD is the altitude to AB . Find the measures of the angles of the ΔCBD and ΔCAD if: Chapter Reference a m∠A = 20°

Answers

Answer:

1. ∆CBD:      ∠B = 70°; ∠BCD = 20°; ∠ BDC = 90°

2. ∆CDA: ∠ACD = 70°;      ∠A = 20°; ∠ ADC = 90°

Step-by-step explanation:

1. ∆DBC

In ∆ABC

 ∠A + ∠B + ∠C = 180°

20° + ∠B + 90 ° = 180°

         ∠B + 110 ° = 180°

      ∠DBC = ∠B =  70°

In ∆CBD

                      ∠BDC =  90°

∠B + ∠BCD + ∠CBD = 180°

  70° + ∠BCD + 90 ° = 180°

           ∠BCD + 160° = 180°

                        BCD =   20°

2. ∆CAD

∠A + ∠ACD + ∠ADC = 180°

   20° + ∠ACD + 90° = 180°

            ∠ACD + 110° = 180°

                      ∠ACD =   70°

1. Find the value of x
37.5
17
52.5
a. 39.5
b. 75
c. 40
d. 42.5

Answers

Answer:

d

Step-by-step explanation:

The segment inside the triangle bisects the angle and divides the opposite sides into segments that are proportional to the other two sides, that is

[tex]\frac{x}{17}[/tex] = [tex]\frac{37.5}{52.5-37.5}[/tex] = [tex]\frac{37.5}{15}[/tex] ( cross- multiply )

15x = 637.5 ( divide both sides by 15 )

x = 42.5 → d

Is the sequence arithmetic? If so, how do you know? Given the sequence: 20, 26, 32, 38, . . .

Answers

Answer:

yes

Step-by-step explanation:

it is

because difference between each two consecutive terms are equal

26-20=32-26=38-32

for the formula:

20 is the first term.

6 is the difference between each two consecutive terms

so:

[tex]y = 6(x - 1) + 20 \\ y = 6x + 14[/tex]

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