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adell [148]
4 years ago
14

Help meeeee pleaseeeeeee

Mathematics
1 answer:
Black_prince [1.1K]4 years ago
5 0

Answer:

D) 220 sq in

Step-by-step explanation:

Because this question is asking for the amount of wrapping paper, we are looking for the surface area of this box because wrapping paper covers the outside, not inside of a package.

This box is a rectangular prism and the surface area formula is 2B + Ph.

B = area of one base

P = perimeter of one base

h = height of the prism (length of side connecting two bases)

B is 5(10)

= 50

P is 5 + 10 + 5 + 10

= 30

h is 4

Plug in dimensions and solve.

2(50) + 30(4)

100 + 120

220

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Help Me! Easy math homework help needed please! Find the value of x. Please do all 3!
babymother [125]

Answer:

1. x = -4

2. x = -1/4 or -.25

3. m = 3

5 0
3 years ago
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Can someone help me with this question?
belka [17]

Answer:

The required probability is 0.0155.

Step-by-step explanation:

We are given that the one-year survival rate for pancreatic cancer is 20%.

Of 12 people diagnosed with pancreatic cancer at one hospital, 6 survived one year.

The above situation can be represented through binomial distribution;

P(X=r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r} ; x = 0,1,2,3,......

where, n = number of trials (samples) taken = 12 people

            r = number of success = 6 survived

            p = probability of success which in our question is probability of

                  one-year survival rate for pancreatic cancer, i.e; p = 20%

Let X = <u><em>Number of people survived one year</em></u>

So, X ~ Binom(n = 12 , p = 0.20)

Now, the probability that 6 survived one year is given by = P(X = 6)

              P(X = 6)  =  \binom{12}{6} \times 0.20^{6} \times (1-0.20)^{12-6}

                             =  924 \times 0.20^{6} \times 0.80^{6}

                             =  <u>0.0155</u>

5 0
4 years ago
En una multiplicación, si un factor es un número natural y el otro es un número entero negativo, el producto es siempre menor qu
forsale [732]

Answer:

Falso.

Step-by-step explanation:

Acá tenemos la proposición:

"En una multiplicación, si un factor es un número natural y el otro es un número entero negativo, el producto es siempre menor que cada uno de los factores."

Primero tratemos de demostrar que esto es falso, para ello debemos encontrar un solo ejemplo en el que la proposición sea falsa.

Elijamos al número 1 como el número natural,

Elijamos -10 como el número entero negativo.

El producto es:

1*-10 = -10

Ahora veamos si el producto es menor que cada uno de los factores.

-10 < 1 ?

Si, -10 es menor que 1.

Ahora veamos con el otro factor:

-10 < - 10?

No, un número no puede ser menor que si mismo.

Entonces el producto no siempre es menor que cada uno de los factores.

Entonces la proposición es falsa.

3 0
3 years ago
If h(x) = 5 x and k(x)=1/x, which expression is equivalent to (koh)(x)?
Lyrx [107]
May be there is an operator missing in the first function, h(x). I will solve this in two ways, 1) as if the h(x) = 5x and 2) as if h(x) = 5 + x

1) If h(x) = 5x and k(x) = 1/x

Then (k o h) (x) = k ( h(x) ) = k(5x) = 1/(5x)

2) If h(x) = 5 + x and k (x) = 1/x

Then (k o h)(x) =k ( h(x) ) = k (5+x) =  1 / [5 + x]
4 0
3 years ago
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Help I’m not sure of the answer?
lorasvet [3.4K]

Answer:

C) 1/3^32

Step-by-step explanation:

2 * -4 = -8

-8 * 4 = -32

1/3^32

<em><u>Hope this helped! Have a nice rest of ur day! Plz mark as brainliest!!! :D</u></em>

<em><u>-Lil G</u></em>

8 0
3 years ago
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