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Kaylis [27]
3 years ago
14

HELP WILL BE MUCH APRECCIATED

Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0

Answer:

The answer is

f(x) =  {x}^{2}  + 6x + 8

N76 [4]3 years ago
3 0
The answer is letter C
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The sum of two mumbers is 66 and the difference is 10. What are the numbers?
Luba_88 [7]

Answer:


Take 66 and subtract 10 to get 56  

Divide 56 by 2 to get 28 - this is the first number.  

Add 10 to 28 to get 38 - this is the second number.  

Prove by adding 28 + 38 to get 66


7 0
3 years ago
1kg costs £1.28. what is the cost of 250g
vivado [14]
First, convert 1 kg to g.

1 kg = 1000 g

So 1000 g = 1.28

Set up a proportion:

1000/1.28 = 250/x

Cross multiply:

1000x = 320

Divide 1000 to both sides:

x = 0.32

So 250g costs £0.32
8 0
3 years ago
The probability that a certain football team wins a match is 2/3.Given that the team plays 4 matches, find the probability that
Vlad [161]

Answer:

The probability is 32/81

Step-by-step explanation:

We know that:

The probability that the team wins is p = 2/3

Then the probability of not winning is q = 1 - p = 1 - 2/3 = 1/3

The team plays 4 matches.

We want to find the probability that the team wins 1 more than half of the number of matches played.

So if there are 4 matches, the half is 2 matches

one more than half is then 3 matches.

Let's assume that the team wins the first 3 matches, and does not win the last match.

match one, the team wins with prob: P₁ = 2/3

match two, the team wins with prob: P₂ = 2/3

match three, the team wins with prob: P₃ = 2/3

match four, the team wins with prob: P₄ = 1/3

The joint probability is the product of all the individual probabilities:

P = (2/3)*(2/3)*(2/3)*(1/3)

Now we must also considerate the permutations, we have the cases:

the team does not win the fourth match

the team does not win the third match

the team does not win the second match

the team does not win the first match

So we have just four permutations, then the total probability is:

probability = 4*P = 4*(2/3)*(2/3)*(2/3)*(1/3) = 4*(8/81) = (32/81)

8 0
2 years ago
Simplify:<br> 64 ÷ 8 + 6 (2)<br><br> A. 23<br> B. 20<br> C. 17
Iteru [2.4K]

Answer:

B. 20

Step-by-step explanation:

64 ÷ 8 + 6(2)

64 ÷ 8 + 12

8 + 12

20

6 0
2 years ago
Read 2 more answers
Simplify the following inequality 3x + 12 ≥2(4x + 3) −21<br><br> Help I need the answer ASAP
Vlada [557]

Answer:

x ≤ 27/5

Step-by-step explanation:

3 0
3 years ago
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