A number cube is rolled, and a coin is tossed. What is the probability that a four is rolled and the coin comes up tails? A. 1over3, B.1over4, C.1over6, D.1over12

Answers

Answer 1

Answer: Probability of a dice rolling a 4 = 1/6
Probability of a coin coming up tails = 1/2

now we multiply the two probabilities together to find what the probability of BOTH occurring at the same time is.
1/6 × 1/2 = 1/12
Answer is D. 1 over 12

Answer 2

Answer:

Answer:

D. 1/12 is the answer

Step-by-step explanation:

the probability of rolling a 4 is 1/6, and the probability of flipping tails is 1/2. If you multiply 1/2 and 1/6 you get 1/12.

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Entre os alunos que frequentam o Ensino Profissional na escola do Carlos foi recolhida umaamostra de 50 aos quais se colocou a questão:«Qual das seguintes frases exprime melhor o teu gosto pelo estudo da Matemática?Gosto muito.Gosto de certos conteúdos.Gosto pouco.Não gosto nada.»O seguinte gráfico traduz as respostas obtidas à questão anterior.1.1. Indique a variável em estudo e a sua natureza.1.2. Calcule a percentagem de alunos que responderam «Gosto muito».1.3. Observe a seguinte tabela ainda referente à mesma questão.RapazesRaparigasGosto muito126Gosto de certos conteúdos87Gosto pouco66Não gosto nada23Escreva um pequeno texto no qual justifique que, neste estudo, os rapazes mostraram ter um maior gosto pelo estudo da Matemática

6.5 ft 6 ft- 11 ft N 5 ft What is the surface area? A 258 square feet B 195 square feet C 228 square feet D 330 square feet

Answers

Answer:

Step-by-step explanation:

area of base = 5×11 = 55 ft²

area of triangle = ½×5×6 = 15 ft²

area of rectangular face = 6.5×11 = 71.5 ft²

surface area = 55 + 2×15 + 2×71.5 = 228 ft²

Work out : 3/5 of 7kg please help me

Answers

$(3)/(5) *7kg = (3*7)/(5) kg= (21)/(5) kg=4 (1)/(5) kg=4.2kg$

Well OF means to MULTIPLYSo Ur pretty much looking at it like this: 3/5 x 7You have to do 7 times the numerator, (which is 3)7 times 3 is 21.Now we have 21/5So 21/5 is the answer

I need help with this math question:Solve. Sin^2x-Sinx=0

I got 0,90,180,270 and 360 degrees. Anyone know if that's right

Answers

$\n sin^2(x)-sin(x)=0 \n sinx(sinx-1)=0 \n \n sinx=0 \n x= \pi k~~k \in Z \n x=0 \n \n sin(x)-1=0 \n sin(x)=1 \n x= ( \pi )/(2) +2 \pi k~~k \in Z$

My grandparents have four grandchildren. The product of the ages of the four grandchildren is 67 184. The youngest grandchild is younger than 10, and is also 30 years younger than the oldest grandchild.Determine all possibilities for the ages of my grandparents’ grandchildren.

Answers

Answer:

The possible ages of the four grandchildren are a = 4, b = 19, c = 26, and d = 34

Step-by-step explanation:

The given parameters are;

The number of grandchildren in the family = 4

The product of the ages of the four grand children = 67184

The age of the youngest grandchild < 10

The age of the oldest grandchild = 30 + The age of the youngest grandchild

Let a represent the age of the youngest grandchild, and let b, and c represent the ages of the other two intermediate grandchild

Therefore, we have;

a < 10

The age of the oldest grandchild = a + 30 < 10 + 30

∴ The age of the oldest grandchild < 40

The product of the ages of the four grandchildren = a × b × c × (a + 30) = 67184

The factors of 67184 that are between 1 and 40 are;

1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38

Taking a = 8, we have;

The age of the oldest grandchild × The age of the youngest grandchild = a × (a + 30) = 8 × 38 = 342

Therefore. a × b = 67184/(a × (a + 30) = 196.44

Therefore, a ≠ 8

For a = 4, we have the age of the oldest grandchild = a + 30 = 4 + 30 = 34

The age of the oldest grandchild × The age of the youngest grandchild = a × (a + 30) = 4 × 34 = 136

Therefore. a × b = 67184/(a × (a + 30) = 494

We find that the other factors of 67184, which are 19 and 26 have a product of 494

Therefore, the possible ages of the four grandchildren are a = 4, b = 19, c = 26, and d = 34

To give, 4 × 19 × 26 × 34 = 67,184.

What is (-m)^-3n, if m= 2 and n= -24?a. 3b. -3c. 4. d. -4

Answers

$(-m)^(-3)n\n\nm=2;\ n=-24\n\nsubtitute\n\n(-2)^(-3)\cdot(-24)=(1)/((-2)^3)\cdot(-24)=(1)/(-8)\cdot(-24)=(-24)/(-8)=3$

Answer: a. 3

Grant and his family just took off in an airplane on their way home from a trip to Jamaica. Currently the plane is flying at a height of 1,205 feet above sea level. Noah is in a submarine in the Caribbean Sea right below the airplane. The depth of the submarine is 342 feet below sea level. What is the current distance between the airplane and the submarine?

Answers

Answer:

1547

Step-by-step explanation:

because the airplane is 1205 ft above the water and the sub is 342 so add them together to get 1547.

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