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Pie
3 years ago
7

Cream cheese costs £4.50 for 1kg.

Mathematics
2 answers:
frosja888 [35]3 years ago
6 0

Answer: £2.70

Step-by-step explanation:

Recall :

1000g = 1kg

That is :

1000g of cream cost £4.50  , then

1 g of cream will cost £4.50/1000

which means 1g cost £0.0045

Therefore:

600g of cream cheese will cost 600 x £0.0045

that is :

600g of cream cheese cost £2.70

katen-ka-za [31]3 years ago
4 0

Answer:

£2.70

Step-by-step explanation:

4.5* 0.6= 2.70

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Factor completely <br> 2. 4x² – 9<br> [2 pts]
Nat2105 [25]

Answer:

(2x+3) (2x-3)

Step-by-step explanation:

Both 4 and 9 have square roots and the problem is a difference of two squares. So if factored, one parenthesis will have a - and the other will have a +.

8 0
3 years ago
X/4 + 7 = -2<br><br> how do you solve this
Sonja [21]

Answer:

Step-by-step explanation:

4

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4x​+7=−2

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6 0
3 years ago
Supplementary angle is equal to 4x+8 and 6x-22
aleksklad [387]

Answer:

x=19.4

Step-by-step explanation:

4x+8+6x-22=180

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10x=194

x=19.4

3 0
3 years ago
According to a study done by a university​ student, the probability a randomly selected individual will not cover his or her mou
Igoryamba

Answer: kindly check explanation

Step-by-step explanation:

Probability of not covering mouth = p(success) = 0.267

Hence, p(covering mouth) = 1 - 0.267 = 0.733

a) What is the probability that among 12 randomly observed individuals exactly 8 do not cover their mouth when​ sneezing? ​

Number of samples (n) = 12

P(X = 8)

Using binomial distribution :

P(x) = nCx * p^x * (1-p)^(n-x)

P(x =8) = 12C8 * 0.267^8 * 0.733^(12-8)

P(x =8) = 12C8 * 0.267^8 * 0.733^4

= 0.00369

b) What is the probability that among 12 randomly observed individuals fewer than 6 do not cover their mouth when​ sneezing?

P(X < 6) = p(5) + p(4) + p(3) + p(2) + p(1) + p(0)

To save computation time, we can use an online binomial probability calculator :

P(X < 6) = 0.9275

C.) Yes, I will be surprised, because from the binomial probability obtained above, there is a high probability (0.9275) that fewer than half do not cover their mouth.

5 0
3 years ago
Is it possible for a simple, connected graph that has n vertices all of different degrees? Explain why or why not.
ryzh [129]

Answer:

It isn't possible.

Step-by-step explanation:

Let G be a graph with n vertices. There are n possible degrees: 0,1,...,n-1.

Observe that a graph can not contain a vertice with degree n-1 and a vertice with degree 0 because if one of the vertices has degree n-1 means that this vertice is adjacent to all others vertices, then the other vertices has at least degree 1.

Then there are n vertices and n-1 possible degrees. By the pigeon principle there are two vertices that have the same degree.

8 0
3 years ago
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