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Black_prince [1.1K]
3 years ago
7

Can someone help me on these ???

Mathematics
2 answers:
krok68 [10]3 years ago
8 0
Multiply 81.5p and divide 7.5% you get the answer
Serjik [45]3 years ago
8 0
It can take 1200 liters....and it already has 450 liters.....so it needs (1200 - 450) = 750 liters to fill it up to full capacity.

and the price is 81.5 pounds per liter......for 750 liters...
81.5 * 750 = $ 61125 pounds

and he gets a 7.5% discount...
so his discount would be : 0.075 * 61125 = 4584.375 rounds to 
$ 4584.38 pounds <== ur answer
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Find the volume 7 height 8 radius <br> A.1600km<br> B.1907km<br> C.1407km<br> D.1100km
Oksi-84 [34.3K]

Answer:

 1407

Step-by-step explanation:

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What is the minimum number of points you have to have to form a line?
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Which is a factor of 2n^2-5n-42<br><br>A 2n-7 <br>B 3 - 2n<br>C 3-2n^2<br>D 4-2n^2
Kaylis [27]
Split the middle term. 

(2n²-5n)-42

Multiply the coefficient of the first term (2 is the coefficient of 2n²) by the constant (-42, it's constant because there are no variables attached). 

2 x (-42) = -84 

Find the factor of -84 that equals your middle term (-5)

The factors of 84 are as follows (remember that if either number is negative, you'll get -84):
84*1
42*2
28*3
21*4
14*6
12*7

What two numbers, when added or subtracted, equal the middle term? 12-7 = 5, but your number is a negative, so how do you do get that 5 to be negative? -12+7 = -5, but make that easier to understand 7-12 = -5, and now add your variable back to get 7n-12n = -5n

Rewrite your equation using the split middle term.

2n²+7n-12n-42

Pull out the factors and add up the first two terms.

n*(2n+7) = 2²+7n

-6(2n+7) = -12n-42

The numbers inside the parenthesis give you one half of your new equation, combine the numbers outside the parentheses to get your second half.

(n-6) (2n+7)

In regards to your answer, there are three possibilities:

1) You wrote the initial equation incorrectly
2) You wrote the answers incorrectly
3) Whoever created the question wrote the equation or the answers wrong, and the answer is not present.
6 0
3 years ago
Plz hurry and help me
kondor19780726 [428]

Answer:

0.5x - y = 1.5

Step-by-step explanation:

First, put the equation in point slope form:

y - y1 = m(x - x1)

y + 2 = 1/2(x + 1)

Distribute the 1/2:

y + 2 = 1/2x + 1/2

Change the fractions to decimals:

y + 2 = 0.5x + 0.5

Subtract y from both sides:

2 = 0.5x - y + 0.5

Subtract 0.5 from both sides:

1.5 = 0.5x - y

Rearrange the equation:

0.5x - y = 1.5

So, the equation of the line in standard form is 0.5x - y = 1.5

8 0
2 years ago
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