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Sati [7]
3 years ago
14

Please help!! Brainliest and Points will be given!! thank you!!

Mathematics
2 answers:
Reil [10]3 years ago
4 0
Answer:
712

Step-by-step:
First we need to find the total number of small packets:

Anne buys 600(34%)=204 small packets
Ben buys 400(3/10)=120 small packets
Chas buys 210 small packets
Total number of small packets is 204+120+210=534

Now, we know that the number of small packets to the number of medium packets is 3/4, if we let x be the number of medium packets we can write:

3/4=534/x
x=712
:)
Dmitrij [34]3 years ago
3 0

Answer:

12:4

Step-by-step explanation:

im sorry if its wrong because i tried.. SORRYYY

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How to solve this equation 5x-4-7x=4
elixir [45]

Answer:

x= -4

Step-by-step explanation:

Simplifying

5x + -4 = 7x + 4

Solving

-4 + 5x = 4 + 7x

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.

-4 + 5x + -7x = 4 + 7x + -7x

Combine like terms: 5x + -7x = -2x

-4 + -2x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0

-4 + -2x = 4 + 0

-4 + -2x = 4

Add '4' to each side of the equation.

-4 + 4 + -2x = 4 + 4

Combine like terms: -4 + 4 = 0

0 + -2x = 4 + 4

-2x = 4 + 4

Combine like terms: 4 + 4 = 8

-2x = 8

Divide each side by '-2'.

x = -4

Simplifying

x = -4

3 0
2 years ago
Does this parabola have a maximum or minimum value?<br> y=-9(x-4)2-3
lara [203]

Answer:

I think it is a maximum value.

5 0
2 years ago
Number of subsets of B={p,q,r}​
oksian1 [2.3K]

Answer:

Step-by-step explanation:

B = {p , q , r}

Number of subsets = 2^{n}

Her, n  is the number of elements in the set.

Number of subsets = 2³ = 8

3 0
3 years ago
Please help (20 points)
Evgesh-ka [11]

35.\\V=\dfrac{\pi r^2h}{3}\ \ \ \ |\cdot3\\\\3V=\pi r^2h\ \ \ \ |:\pi r^2\\\\\boxed{h=\dfrac{3V}{\pi r^2}}

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8 0
3 years ago
A box has two balls, one white and one red. We select one ball, put it back in the box, and select a second ball (sampling with
AleksAgata [21]

Answer:

P (T) = 1/4

P ( T | F )    = 1/2  = P(F)

The events are not independent.

Step-by-step explanation:

Let F the event of picking the white ball first

P (F)= 1/2   ( picking the white ball first)

Let T be the event of getting the white ball twice,

P (T) = P( getting white ball) * P( getting white ball)

          =( 1/2)*(1/2)

           = 1/4

Here P(T∩F) = P(T) because the probability of getting the white balls is the same as probability of getting the white ball first  both the times.

P ( T | F ) = P (T∩F)/ P(F)

                = (1/4)/ (1/2)

                  = (1/2)

                    = 1/2  = P(F)

For the events to be independent the conditional probability P ( T | F )  must be equal to P(T).

Hence the events are not independent.

4 0
3 years ago
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