1. Two dice are thrown at the same time . What is the probability that the sum will be 7 or 11 ?

2. A ball is drawn at random from a box containing 6 red balls , 4 white balls and 5 blue balls.
Determine the probability that is red or white.​

Answers

Answer 1

Answer:

1. 0.2222222

2. .6667

Step-by-step explanation:

for question 1

there can only be 36 outcomes so you find out how many time you could get 7and2 which is 8 from so u write 8.36=.2222

for question 2

divide the outcome by the total out comes example(there are 6 red balls and 4 white out of 15 so you do 10/15=.6667)

Answer 2

Answer:

#1

Outcomes with sum of 7:

1 + 6, 2 + 5, 3 + 4, 4 +3. 5 + 2, 6 + 1

Outcomes with sum of 11:

5 + 6, 6 + 5

Total outcomes:

6*6 = 36

Required probability:

P(sum of 7 or 11) = (6 + 2)/36 = 8/36 = 2/9 or 22.22%#2P(red or white) = (6 + 4)/(6 + 4 + 5) = 10/15 = 2/3 or 66.67%

Related Questions

10. It rained 375 inches in 15 hours. At this rate, how much will
it rain in 35 hours? Answer in decimal form.

Answers

Answer:

875

Step-by-step explanation:

375 divided by 15 =

25

25 times 35 =

875

Dividing 375 by 15 shows how much it rains per hour

Then times that by the number of hours to get your answer

Answer:

Step-by-step explanation:

Set this up as a proportion with the number of inches of rain on the top and the number of hours it rained on the bottom.

[tex]\frac{in.}{hrs}:\frac{375}{15}=\frac{x}{35}[/tex] and cross multiply to solve for x:

15x = 13125 so

x = 875 inches

Solve for x.
(x + 10)(x + 10) = 0
OA.
-100
OB.
-10
Ос.
10
OD.
100

Answers

(x + 10) (x + 10) = 0

This equation is saying that x plus 10 is equal to zero. It basically means that both expressions are equal to 0.

For example (3x + 4) (2x - 5) = 0

Both terms are equal to zero. So to find x you would have to solve for x.

x + 10 = 0
x = -10

2. Priscilla is drawing a map of her school that uses a scale in which 1.5 cm 1 point
on the map represents 3 ft. If the first hallway has a length of 120 ft, what
should the length of the hallway be on the map?
O
a. 40 cm
b. 60 cm
C. 30 cm
d. 45 cm

Answers

Answer:

The answer is 60cm. (b)

Step-by-step explanation:

For every 1.5cm on the map, it represents 3 ft on real-size scale.

In other words, for every 1cm on the map, it represents 3/1.5 = 2ft on real size scale.

If you want to find 120ft of real-size scale, you can use 120ft/2ft * 1cm which gives 60cm

What is the perimeter of triangle XYZ?

Answers

Answer:

126

Step-by-step explanation:

Factor x2 – 19x – 20 completely.

Answers

Answer:

Step-by-step explanation:

x^2-19x-20

=x^2-(20-1)x-20

=x^2-20x+x-20

=x(x-20)+1(x-20)

=(x-20)(x+1)

A newspaper conducted a survey to find out how many high school students play video games. The two-way table below displays the data from the survey. Based on these data in the table, which statement is true? A. There were 2,451 boys surveyed and about 29% of them play video games. B. There were 2,996 girls surveyed, and about 45% of them play video games. C. There were 5,447 students surveyed, and about 54% of them do not play video games. D. There were 2,493 students surveyed, and about 34% of them are girl who do not play video games.

Answers

Answer:

c

Step-by-step explanation:

Evaluate the value of x to 1 d.p


Thank you

Answers

Answer:

value of x = 2.8

Step-by-step explanation:

By law of cosines,

[tex] {a}^{2} = {b}^{2} + {c}^{2} - 2 \times b \times c \times cos(100) \\ {x}^{2} = {13}^{2} + {10}^{2} - (2 \times 13 \times 10 \times cos100) \\ = 169 + 100 - 260 \times 0.862 \\ = 269 - 260 \times 0.862 \\ = 7.758 \\x = \sqrt{7.758 } \\ = 2.785 \\ = approx \: 2.8[/tex]

please help!! i have no clue what to do and this packet is due tonight.

Answers

Answer:

[D] ∞

General Formulas and Concepts:

Calculus

Limits

Step-by-step explanation:

Step 1: Define

Identify

[tex]\displaystyle \lim_{n \to \infty} s(n)[/tex]

[tex]\displaystyle s(n) = (\frac{5}{4n^4})(3n^5 + 3n^4 + 2n^3 + n^2)[/tex]

Step 2: Evaluate

Substitute in function [Limit]:                                                                           [tex]\displaystyle \lim_{n \to \infty} (\frac{5}{4n^4})(3n^5 + 3n^4 + 2n^3 + n^2)[/tex]Multiply:                                                                                                             [tex]\displaystyle \lim_{n \to \infty} \frac{5(3n^5 + 3n^4 + 2n^3 + n^2)}{4n^4}[/tex]Power Method:                                                                                                 [tex]\displaystyle \lim_{n \to \infty} \frac{5(3n^5 + 3n^4 + 2n^3 + n^2)}{4n^4} = \infty[/tex]

Since the degree of the polynomial is greater in the numerator than in the denominator, the top will always increase faster than the bottom, thus getting infinitely larger.

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Limits

Book: College Calculus 10e

find the ratio of the perimeter of two similar trapezoids with area 49cm^2 and 9cm^2

Answers

Answer:

3260 is the ratio of two similar trapizoids

Answer:

7:3

Step-by-step explanation:

(Ratio of perimeter)^2 = ratio of area.

Therefore

ratio of perimeter = sqrt(ratio of area) = sqrt(49/9) = 7/3

Estimate 16.26+4.169 by first rounding each number to the nearest tenth.

Answers

Answer:

16.3 + 4.2 = 20.5 (20.5 has not been rounded)

Step-by-step explanation:

I just rounded both numbers to the nearest tenth, it should be accurate. I hope I helped :)

16.26
+ 4.269
_______
20.529

=20.5
or you can do
16.26=16.3 when round
4.169=4.2 when rounded
add the new rounded numbers
16.3+4.2=20.5

key note: when rounding if the number is 5 or greater than 5 you add one the the numbers place you are rounding to.

What is the sum of the pink and green area?

Answers

Answer:

I think the answer is 11x

Answer:

11x

Step-by-step explanation:

Pink area  = 6x

Green area  = 5x

Total (sum) = 6x+5x =11x

IF YOU ANSWER CORRECTLY ILL GIVE BRAINLIEST
The coordinate grid shows points A through K. What point is a solution to the system of inequalities?
ys-2x + 10
1x-2
2
y>
1
OK
6 7 8 9 10

Answers

1 because it’s inequality and compare between a and k

answer?? please help

Answers

Answer

where is the ?

Step-by-step explanation:

The first three members of a sequence are shown.
How many dots are in the full fourth member of the
sequence?



Please help! solve using picture. will mark as brainliest !

Answers

Answer:

As a result, seen in the picture the answer will be 14 which is letter b.

Step-by-step explanation:

1 + 5 + 9 =14.

Hopes this help.

Good luck.

Solve kx + 12 = 3 kx for x

Answers

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

[tex]\boxed{x = \frac{6}{k}}[/tex]

»»————- ★ ————-««  

Here’s why:

⸻⸻⸻⸻

[tex]\boxed{\text{Calculating the Answer...}}}\\\\kx+12=3kx\\------------\\\rightarrow kx+12 - 12 = 3kx-12\\\\\rightarrow kx = 3kx - 12\\\\\rightarrow kx - 3kx = 3kx - 3kx - 12\\\\\rightarrow -2kx = -12\\\\\rightarrow \frac{-2kx = -12}{-2k}\\\\\rightarrow \boxed{x=\frac{6}{k}; k\neq 0}[/tex]

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

Answer:

x = 6/k

Step-by-step explanation:

kx + 12 = 3*kx

to make like terms on same side shift kx to right hand side . when u shift positive kx to other side it becomes negative

12 = 3kx - kx

12 = 2kx

shift 2 to left hand side when u shift multilication changes to division.

12/2 = kx

6 = kx

to find x u must shift k to other side . here also same since k and x are multilied when k shifts to others side it becomes divisor.

6/k = x

A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next few minutes?
- Molecules in both the metal and the surrounding air will start moving at lower speeds.
- Molecules in both the metal and the surrounding air will start moving at higher speeds.
- The air molecules that are surrounding the metal will slow down, and the molecules in the metal will speed up.
- The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.

Answers

Answer:

the last option, effectively cooling the hot plate down and heating the surrounding up

The inverse of the function f(x) = one-half x plus 10 is shown. h(x) = 2x- What is the missing value? 1 5 10 20

Answers

Answer:

20

h(x) = 2x - 20

Step-by-step explanation:

f(x) = ¹/₂ x + 10

First, isolate x, like so:

f(x) - 10 = ¹/₂ x

x = 2(f(x) - 10)

x = 2f(x) - 20

Now, simply switch f(x) with x and x with h(x), like so:

h(x) = 2x - 20

Answer:

the answer is 20

Step-by-step explanation:

took the test on edge

Write an equation for this graph

Answers

Answer:

y = -x - 2

Step-by-step explanation:

The slope is -1 and the y-intercept is (0, -2).

Which exponential function is represented by the graph

Answers

Answer:

the answer is "B" the second one...

(1/2)(2)^x

at

0 = (1/2)(1) = 1/2

2= (1/2)(4) = 2

Step-by-step explanation:

Hurry!
Solve for X, Round to the nearest tenth, if necessary

Answers

Answer:

Step-by-step explanation:

take 43 degree as reference angle

using tan rule

tan 43 = opposite / adjacent

0.93 = x / 56

x = 56/0.93

x = 60.21

x = 60.2

x(x+2) + y (x + 2) - 5(x + 2)
factor

Answers

First of expand the equation

X^2+2x+yx+2y-5x-10

X^2+yx-3x+2y-10

Final answer=

X(x+y-3)+2(y-5)

Answer:

x² + xy - 3x + 2y - 10

Step-by-step explanation:

x(x + 2) + y(x + 2) - 5(x + 2)

x² + 2x + y(x + 2) - 5(x + 2)

x² + 2x + xy + 2y - 5(x + 2)

x² + 2x + xy + 2y - 5x - 10

x² - 3x + xy + 2y - 10

x² + xy - 3x + 2y - 10

Johanna buys two poster frames that have the same area, but different shapes. One is a rectangular frame with a width of 40 inches and a length of 30 inches. The other frame is square. What a poster with dimensions of 36 inches X 36 inches fit in the square frame?

Answers

Answer:

No, the poster would not fit in the frame

Step-by-step explanation:

A rectangle is a quadrilateral (has 4 sides and 4 angles) with two pair of opposite and equal sides.

A square is a quadrilateral in which all sides are equal.

Given that the rectangular frame has a width of 40 inches and a length of 30 inches. The area of the rectangular frame is:

Area of rectangular frame = length * breadth = 40 inches * 30 inches = 1200 in²

Since the square frame has the same area as the rectangular frame, hence:

Area of square frame = length * length

length² = 1200

length = √1200 = 34.64

Therefore the dimensions of the square frame is 34.64 inches by 34.64 inches.

Hence a poster with dimensions of 36 inches X 36 inches cannot fit in the square frame.

. A copy machine can duplicate 2400 copies in one hour. How many copies can it make per minute?

Answers

It will ups make 60paper per minute

Indira buys 1250 square metres of land to build a hotel. Each square metre of land costs $12. Calculate the cost of the land. Answer(a) $ [1] (b) The cost of the land is 3% of the cost of the hotel. Calculate the cost of the hotel

Answers

Answer:

500000

Step-by-step explanation:

yeah boi

Yo help a nixxa out please the struggle is real

Answers

Option C: Three sides measuring 5 in, 12 in, and 14 in.

Of every 5 CDs produced in a
factory, 2 are scratched. If
2,200 CDs were produced,
how many were scratched?

Answers

Answer:

880

Step-by-step explanation:

2/5 times 2200

Answer:

880 scratched CD's

Step-by-step explanation:

2/5 = x/2,200

5x = 4,400

/5 = /5

x = 880

-20=-8(a+4)-5(1-5a)
What is a

Answers

Answer:

a=1

Step-by-step explanation:

-20=-8(a+4)-5(1-5a)

Distribute

-20 = -8a -32 -5 +25a

Combine like terms

-20 =17a -37

Add 37 to each side

-20+37 = 17a-37+37

17 = 17a

Divide by 17

17/17 = 17a/17

1= a

can someone plzz help . Write and solve an the equation to find the value of x and the missing angle measures​

Answers

Answer:

x=9

Angles = 50

Step-by-step explanation:

The angles are alternate interior angles and alternate interior angles are equal

4x+14 = 6x-4

Subtract 4x from each side

4x+14-4x = 6x-4-4x

14 = 2x-4

Add 4 to each side

14+4 = 2x-4+4

18 =2x

Divide by 2

18/2 =2x/2

9 =x

The angles are equal

4x+14 = 6x-4 = 4(9)+14 = 36+14 = 50

What is the Tenth term of 3n+2

Answers

The tenth term would be 32 because 3x10+2=32

Is this statement true or false?
It is a good idea to check the car history using an online site.
O true
O false

Answers

I think it’s true if it’s for statement you want
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