There are 10 cups placed on a table face down. Beneath each cup is one coin. Together, there are 5 quarters, 2 nickels, and 3 dimes. One cup is randomly selected, replaced, and then another cup is selected. What is the probability of getting a quarter then a nickel?

The options are
- 3/20
- 1/10
- 1/9
- 7/10

There Are 10 Cups Placed On A Table Face Down. Beneath Each Cup Is One Coin. Together, There Are 5 Quarters,

Answers

Answer 1

Answer:

1 / 10

Step-by-step explanation:

Prob of  getting a quarter on the first draw  =  (5/10)

Prob of getting a nickel on the second draw  = (2/10)

So......the overall probability  is   (5/10) (2/10)  =  10 / 100  =    1 / 10

Took the test and this is the correct answer


Related Questions

What is the area of the logo?​

Answers

Answer:

[tex]the \: area \: of \: the \: logo \: is \: {91cm}^{2} [/tex]

Step-by-step explanation:

To determine the area of the logo you have to calculate the area of the triangle and the square that comform it and then add the four areas.

Area of the square.

To calculate the area of the square you have to calculate the square of one of its sides, following the formula:

[tex]a = {a}^{2} [/tex]

Where "a" is the length of one of its side.

The side length of the square is a=7cm, so its area will be:

[tex]asquare = {7}^{2} \\ asquare = {49cm}^{2} [/tex]

Area of the triangles.

The three triangles are equal, they have a base equal to the side of the square, i.e. with a length of 7cm, and their height is h=4cm.

To calculate the area of one triangle, you have to multiply its base by its height and divide by 2, following the formula:

[tex]a = \frac{b.h}{2} \\ a = \frac{7.4}{2} \\ a = \frac{28}{2} \\ a = {14cm}^{2} [/tex]

The area calculated the correspond to one triangle, since all triangles are congruent, you have to multiply the said area by 3 to determine the area of three figures:

[tex]atriangles = 3a \\ atriangles = {42cm}^{2} [/tex]

Now that the area of all shape are calculated, you have to add them to determine the area of the logo:

[tex]alogo = asquare + atriangle \\ alogo = 49 + 42 \\ alogo = {91cm}^{2} [/tex]

Answer:

(7×7)+3(1/2×7×4)

49+42

91cm²

5. Convert in to mixed fractions
(a)
18
5​

Answers

Answer:

3⅗

Step-by-step explanation:

5×3 =15

18 - 15 = 3

therefore

18÷5

is

3⅗

Question↓

Convert in to mixed fractions 18 and 5

Answer

3 with a reminder of 3

Explain

Multiply the newest quotient digit (3) by the divisor 5 . Subtract 15 from 18 . The result of division of 185 is 3 with a remainder of 3 .

Hopefully help:)

#CarryOnLearning

Help
If 4r = 24, then r=

Answers

Answer:

6

Step-by-step explanation:

Given,

4r = 24

[tex] = > r = \frac{24}{4} [/tex]

=> r = 6(Ans)

Answer:

6

Step-by-step explanation:

4r = 24

r = 24/4

r = 6

here are four number cards : 5 6 7 8
pick three cards so that their mean is 7

Answers

5,7,8 they all equal 21, 21 divided by 3 is 7

Which operation will isolate the variable?





addition


subtraction


multiplication


division

Answers

Answer:

please rewrite the function. the latex function did not work.

Find m<1 and m<2 help please, ASAP, explain:(

Answers

Answer:

m<1 = 108

m<2 = 72

Step-by-step explanation:

Answer:

Step-by-step explanation:

angle=108

angle 2=72

70+39=108

180-108=72

what's
[tex] \sqrt{56 \times 56} [/tex]

Answers

Answer:

That would be 56. :D

Nice drawing sir/ma'am/person. :D

Step-by-step explanation:

A bathtub is draining at a constant rate. After 2 minutes, it holds 35 gallons of water. Four minutes later, it holds 15 gallons of water. Write an equation that represents the number y of gallons of water in the tub after x minutes.

Answers

Answer:

Step-by-step explanation:

The slope-intercept formula is:

y = m x + b,

or: y = b - m x, since the rate is negative.

For the 1st formula we have: y = 30 and x = 2

For the 2nd formula: y = 12 and x = 5 ( because: 5 = 2 + 3, or : 3 minutes later, which can be confusing  )

30 = b - 2 m

12 = b - 5 m

--------------------

b = 30 + 2 m

12 = 30 + 2 m - 5 m

3 m = 18

m = 18 : 3 = 6

b = 30 + 2 * 6 = 30 + 12 = 42

Answer:

y = 42 - 6 x

ill mark brainlist plss help

Answers

Answer:

31

Step-by-step explanation:

Answer:

5 / 12  =  13/ x     cross-multiply

5x  =  13 * 12

5x   = 156        divide both sides  by  5

x   =156/5  = 31.2  miles  =    31 miles

A line passes through the point (2, 3) and has a slope of -2. Which is the equation of the line in point-slope form?
A)2x + y = 7
B)y = -2x + 7
C)y - 3 = -2(x - 2)
D)y = -1/2x + 5

Answers

Answer:

C.

Step-by-step explanation:

We know ,

The slope on point slope form.

y-y1 = m(x-x1)

y-3 = -2(x-2)

Which expression is equivalent to 6 (x+2y) + 3 + 4y + 5? Whoever answers first, I’ll mark Brainliest :)

Answers

Answer:

ITS THE LAST ONE!!!!

Step-by-step explanation:

Which number is IRRATIONAL

Answers

Answer:

A is 5, B is a irrational number because it doesn't terminate or repeat c is 7 and d is 8

(a) Use the scale to change 40 kilometres to miles.

Answers

Answer:

24.85 miles40 Km is 24.85 miles

plssssss help me plssss

Answers

Answer:

here is the answer

Step-by-step explanation:

1. p is the answer

Look at the graph
The Rate of change between point A and point B is 2. What is the rate of change between point C and D?

Answers

Answer:

2/1

Step-by-step explanation:

Answer:

2 i think

Step-by-step explanation:

rise 2 over one makes 2/1 which is 2

HELP PLEASEEE HELP PLEASEEE ​

Answers

Answer: Movement

Step-by-step explanation:Because locomotion in biology pertains to the various movements of organisms (single-celled or multicellular organisms) to propel themselves from one place to another. In multicellular animals, these movements include walking, running, jumping, crawling, climbing, swimming, flying, galloping, slithering, and so that's a unicellular cell and it does not involve loco motion.:)

Se generan ondas, introduciendo en agua el borde de una regla 15 veces en 3.0 segundos. Calcular: a) el periodo de las ondas b) su frecuencia

Answers

Answer:

Ver explicacion

Step-by-step explanation:

La frecuencia de una onda se define como el número de ciclos completos que realiza una partícula en un segundo.

f = n / t = 15 ciclos / 3 segundos = 5 ciclos por segundo o Hertz

El período de una onda es el tiempo que tarda la onda en realizar una oscilación o ciclo completo.

T = t / n = 3/15 = 0,2 segundos

i cant find out the answer for
the life of me

Answers

Answer:

A. h = (S/2πr) - r

Step-by-step explanation:

Solve the given for h:

S = 2πrh + 2πr²

Isolate h:

2πrh = S - 2πr²

Divide all terms by 2πr:

h = (S/2πr) - r

Correct choice is A

The probability of that nicky will pass his driving test is 3/7 what is the probability of him failing?

Answers

Answer:

4/7

Step-by-step explanation:

The probability of him failing is 4/7 if him passing is 3/7 and in total that completes it is 7/7 so in whole your answer would be 4/7

Bob wants to attend a four-year college that has an annual tuition of $10,100. Bob has saved $11,300 for college. Bob is going to use a student loan to pay for the rest. How much does he need to borrow?

Answers

Answer:

29,100

Step-by-step Explanation

Multiply the annual tuition by 4. then subtract that by what he saved

.
Find the LCM of the given numbers.
6 and 8

2
6
12
8
24

Answers

The LCM of 6 and 8 is 24!

Answer:

24

Step-by-step explanation:

LCM(6, 8) = 24

LCM = 6 × 8/2

= 24

LCM(6, 8)

= 2 × 2 × 2 × 3

= 24

( I hope this was helpful) >;D

Help please
Brainiest answer to whoever is first

Answers

Answer:

75

Step-by-step explanation:

The answer is 66 because you add every side.

the
What is the length of Ac? Round to the nearest tenth.
O 3.0 cm.
O 9.8 cm.
O 10.5 cm
o 12.8 cm.

Answers

Answer:

10.5

Step-by-step explanation:

Unit test on edge 2021

The value of x from the figure is 10.5cm

SOH CAH TOA identity

Find the diagram attached

From the given diagram

tan 55 = 15/b

Given that tan 55 = 1.4281, hence;

1.4281 = 15/b

b = 15/1.4281

b  = 10.5cm

Hence the value of x from the figure is 10.5cm

Learn more on SOH CAH TOA here:https://brainly.com/question/20734777

i need help with this asap! i will give brainliest :) (image included)

Answers

7 x 3 = 21 so it is 21 ft cm your welcome

Answer:

The answer is C = 63π

Step-by-step explanation:

V = πr2 h

V = π (3)2 x 7

V = π (9) (7)

V = 63 π

PLZ PLZ PLZ PLZ HELP WILL GIVE BRAINLIST IF CORRECT!

Answers

Answer:

104.92

Step-by-step explanation:

help pls asap!!!!!!! brainliest!!!!!!

Answers

Answer:

D!

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

-2p^2 - 35pr - 8r^2

Help me with this!!!!!!!

Answers

Oou I know this!!!! It 0.5 because the point F is at -1 and point G is at 2.
Soooo,
-1, 0, 1, 2
-1, -0.5, 0, 0.5, 1, 1.5, 2
Sooo the answer is 0.5 !!!

Find two integers whose sum is -14 and product is 33

Answers

Answer:

Step-by-step explanation:

a+b=-14

a=-14-b

ab=33, using a from above makes this become

(-14-b)b=33

-14b-b^2=33

b^2+14b+33=0

(b+11)(b+3)=0

So the numbers are -3 and -11

U will be marked as Brainliest if u solve ex 5.1-5.2-5.3 ​

Answers

Answer:

-5.4

Step-by-step explanation:

Devon bought a 4 pound 10 ounce package of ground turkey to make turkey burgers for a family cookout. He wants to use about 7 ounces of turkey for each burger. (1 lb = 16 oz)

Answers

Answer:

C

Step-by-step explanation:

In total Devon can make 11 turkey burgers for a family cookout.

Given that, Devon bought a 4 pound 10 ounce package of ground turkey to make turkey burgers for a family cookout.

What is the unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Here, a 4 pound 10 ounce

= 4×16 + 10

= 64 + 10

= 74 ounces

Devon wants to use about 7 ounces of turkey for each burger

So, number of burgers = 74/7

= 10.57

≈ 11

Therefore, in total Devon can make 11 turkey burgers for a family cookout.

To learn more about the unitary method visit:

brainly.com/question/22056199.

#SPJ5

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