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True [87]
2 years ago
11

Petrol costs 99p per litre. How much would 47 litres cost?​

Mathematics
1 answer:
Radda [10]2 years ago
6 0

Step-by-step explanation:

99 \times 47 = 517 \times 9 = 4653

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What’s the order from<br> Least to greatest
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A
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Only take the first numbers into consideration.  For the last 2 you have to consider 5 numbers and two places to the right of the decimal.
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2 years ago
The College Board reports that 2% of the two million high school students who take the SAT each year receive special accommodati
Nastasia [14]

Answer:

the probability that exactly 1 received a special accommodation is 0.3079

Step-by-step explanation:

Step 1: define the variable

x= the number of students who received a special accommodation.

Step 2: define the distribution of this variable

x ~ binomial distribution ( p=0.02, n=25)

this is because x is the number of succes in 25 trials.

Step 3: using the binomial distribution formula

P(x=1)= (25C1)*(0.05^1)*(1-0.05)^(25-1)=0.3079

where (25C1) is a combination

6 0
2 years ago
The length of a rectangle is 2 units more than the width. The area of the rectangle is 24 units. What is the width, in units, of
xxMikexx [17]

Answer:

2\sqrt{5}

Step-by-step explanation:

So, we know the area is 24, and the length is 2 more than the width. Let's refer to the width as x, and the length as x+2. In a rectangle, area is length times width. So, let's multiply the length and width to get xx^{2} + 4. This is because any number times itself is that number squared. Now that we have that, solve for x. Subtract 4 from both sides of the equation and get xx^{2} +4. Now we have x^{2} =20. What we do next is do the square root of both sides, in order to get x by itself. this gives us the answer of \sqrt{24}. That is the width of the rectangle. If you want to go further, we can simplify the expression. 20 is 4*5, and 4 is a square number. We can rewrite the expression now as x=\sqrt{4} *\sqrt{5}. We know the square root of 4 is 2, but the square root of 5 is too difficult to work with and get an exact answer, so we can leave that as-is. our final answer for the width of the rectangle is 2\sqrt{5}. I hope this helps!

7 0
2 years ago
Is someone able to help me with this please I don't understand.
gulaghasi [49]

Answer:

d

Step-by-step explanation: if you pay attention to this answer its for points thanks

6 0
1 year ago
If 2x = 5, 3y = 4, and 4z = 3, what is the value of 24xyz ?
s344n2d4d5 [400]
We have : 2x = 5 ⇔ x = 5/2
                 3y = 4 ⇔ y = 4/3 
                 4z = 3 ⇔ z = 3/4 
⇒ 24xyz = 24 × 5/2 × 4/3 ×3/4 = 60
5 0
2 years ago
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