I really don't understand this

Use the inclusion/exclusion principle:

P(A ∩ B) = P(A) + P(B) - P(A ∪ B)

So

P(A ∩ B) = 0.8 + 0.62 - 0.874 = 0.546

Step-by-step explanation:

I have attached the working

Answe        Step-by-step explanation:

46579765+4879+889 78+6565

Answer:

22 blueberry pies and 19 apple pies.

Step-by-step explanation:

This can be solved using a system of equations. Your equation for amount of pies sold is x + y = 41, with x representing apple pies and y representing blueberry pies, and 41 being the total amount of pies sold. The other equation is for the amount of dollars earned from selling the pies, which is:

12x + 14y = 536     $12 per apple pie, $14 per blueberry pie, and a total of $536.

Let's first solve for x. The new equation would be x = 41 - y. Now, we plug this equation into the second equation.

12(41 - y) + 14y = 536    Here we substituted x for the equation we made.

429 - 12y +14y = 536

-12y +14y = 44   Here we moved the 429 to the other side by subtracting it from the left and right.

2y = 44

y = 22. Now we know that there was a total of 22 blueberry pies sold. Now we plug 22 pies back into the very first equation to find x, the amount of apple pies.

x + 22 = 41

x = 19. Now we know there was a total of 19 apple pies sold.

Hope this helps!

Answer: (1,0)

Step-by-step explanation:

Answer:

(i) Debemos apilar 5 dados para construir el cubo de mayor tamaño.

(ii) Se necesita 121 dados cuadrados para formar el cuadrado con la mayor cantidad de dados posibles, quedando 4 dados sobrantes.

Step-by-step explanation:

(i) Sabemos por la Geometría Euclídea del Espacio que un cubo es un sólido regular con 6 caras cuadradas y longitudes iguales. Cada dado tiene un volumen de 1 dado cúbico y 125 dados dan un volumen total de 125 dados cúbicos.

El volumen de un cubo está dado por la siguiente fórmula:

[tex]V = L^{3}[/tex]

Donde:

[tex]L[/tex] - Longitud de la arista, medida en dados.

[tex]V[/tex] - Volumen del cubo, medido en dados cúbicos.

Ahora, necesitamos despejar la longitud de la arista para calcular la altura máxima posible:

[tex]L = \sqrt[3]{V}[/tex]

Dado que [tex]V = 125\,dados^{3}[/tex], encontramos que la altura del cubo de mayor tamaño sería:

[tex]L =\sqrt[3]{125\,dados^{3}}[/tex]

[tex]L = 5\,dados[/tex]

Debemos apilar 5 dados para construir el cubo de mayor tamaño.

(ii) El área cuadrada formada por cubos está determinada por la siguiente fórmula:

[tex]A = L^{2}[/tex]

Donde:

[tex]L[/tex] - Longitud de arista, medida en dados.

[tex]A[/tex] - Área, medida en dados cuadrados.

Puesto que la longitud de arista se basa en un conjunto discreto, esto es, el número de dados disponibles, debemos encontrar el valor máximo de [tex]L[/tex] tal que no supere 125 y de un área entera. Es decir:

[tex]L \leq 125\,dados[/tex]

Si cada cubo tiene un área de 1 dado cuadrado, entonces un cuadrado conformado por 125 dados tiene un área total de 125 dados cuadrados. Entonces:

[tex]L^{2}< 125\,dados^{2}[/tex]

Esto nos lleva a decir que:

[tex]L < 11.180\,dados[/tex]

Entonces, la longitud máxima del cuadrado con la mayor cantidad de cubos posible es de 11 dados. El número total requerido de cubos es el cuadrado de esa cifra, es decir:

[tex]n = (11\,dados)^{2}[/tex]

[tex]n = 121\,dados[/tex]

Se necesita 121 dados cuadrados para formar el cuadrado con la mayor cantidad de dados posibles, quedando 4 dados sobrantes.

Answer:

y=2/5x - 3

slope is 2/5

y intercept is -3

Step-by-step explanation:

Answer:

4.5

Step-by-step explanation:

So the ladder is 4 feet from the wall and 18 feet tall. This can translate to negative 4 spaces on the x-axis and 18 spaces on the y-axis. The slope of a line is rise over run which is 18/4 or 4.5

I hope the answer is right and I hope I helped. Have fun with the rest of your math :)

Answer:

y = 3x - 4

I believe this is it's fully reduced form.

Answer:

y=4

Step-by-step explanation:

2(y+1)-2=4+y

2y+2-2=4+y

2y=4+y

2y-y=4

y=4

Answer:

y=4

Step-by-step explanation:

So first of all you do distrabutive property when you do that you get 2y+2-2=+2y then you combine the like terms than when you do that you should get y=4

I hope this helps!

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

= -3 2/5 - 5/6

= - 17/5 - 5/6  ---- LCM of 5 & 6 is 30

= _  17 * 6   _   5 * 5  

       5 * 6        6 * 5

=  _  102 - 25

            30

=  _ 127

        30

Answer:

20

Step-by-step explanation:

You would do this by dividing 43 into 860

Answer:

[tex]\frac{25}{42}[/tex]

Step-by-step explanation:

I hope this helps!

Answer:

25/42

Step-by-step explanation:

first find a same denominator

18/42 + 7/42

then add the new fractions

18/42 + 7/42 = 25/42

Answer:

0.07

Step-by-step explanation:its becuase 7% outta 100% =0.07. so  I=Prt

We have to solve for r

r=r/100

7%/100

0.07 per year

Hope this helps mark as brainliest plz

Answer:

0.07

Step-by-step explanation:

give brainlest pls

Answer:

y=2

Step-by-step explanation:

y+7=9(y-1)

y+7=9y-9

16=8y

2=y

Answer: 2.4

Step-by-step explanation:

4/5 x 3 = 2 and 3/5

2 and 3/5 converted into decimal is 2.4

You're welcome!

Answer: 0.05508474576

Step-by-step explanation:

Answer:

[tex]\huge\boxed{x=-12}[/tex]

Step-by-step explanation:

In order to solve for this proportion, it’s important to note that this is basically just an equation. Like any other, our goal is to isolate x on one side.

Since we have two fractions, we can multiply both sides by both the denominators (x-3 and x-9). Since one will cancel out the other, we can just multiply both sides by the opposite denominator.

[tex]5(x-9)=7(x-3)\\\\5x-45=7x-21[/tex]

Now we can solve for x.

Subtract 5x from both sides:

[tex]-45=2x-21[/tex]

Add 21 to both sides:

[tex]-24=2x[/tex]

Divide both sides by 2:

[tex]x = -12[/tex]

Hope this helped!

Answer:

[tex]x= -12[/tex]

Step-by-step explanation:

Step 1: Write equation

[tex]\frac{5}{x-3} =\frac{7}{x-9}[/tex]

Step 2: Solve for x

Step 3: Check

Plug in x to verify it's a solution.

[tex]\frac{5}{-12-3} =\frac{7}{-12-9}[/tex]

[tex]\frac{5}{-15} =\frac{7}{-21}[/tex]

[tex]\frac{-1}{3} =\frac{-1}{3}[/tex]

Answer:

What is the question? This is just a statement

Step-by-step explanation:

Answer:

y = 24

Step-by-step explanation:

Its hard to explain

The value of y for the equation y = |x| + 1 is 10.

An equation is a combination of different variables, in which two mathematical expressions are equal to each other.

The given equation is,

y = |x| + 1          (1)

To find the value of y when x is - 9.

Substitute the value of x in equation (1),

y = |-9| + 1

The mode value of is always positive,

y = 9 + 1

y = 10

The required value of y is 10.

To know more about Equation on:

https://brainly.com/question/187506

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Answer:

3x-5=7

Step-by-step explanation:

Answer:

14.58

Step-by-step explanation:

1.08 is tax multiplied by 15 is 16.20 after tax. 90% of that is 14.58

Answer:

you pay 15.3 dollars

Step-by-step explanation:

15 times 0.1 is 1.5

15 times 0.08 is 1.2

15-1.5+1.2=15.3

Answer:

Step-by-step explanation:

Answer:

last year it was 150

Step-by-step explanation:

last year =100 ; increase= 30

total =130

130=195

100= 195/130=150